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easy sync ltd unit 1, 2 seaward place, centurion business park, glasg ow, g41 1hh, united kingdom tel.: +44 (0) 141 418 0181 fax: + 44 (0) 141 418 0110 e - mail (support): support@easysync - ltd.com web: http://www.e asysync - ltd.com/product - downloads neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or re produced in any material or electronic form without the prior written consent of the copyright holder. this product and its documentation are supplied on an as - is basis and no warranty as to their suitability for any particular purpose is either made or implied. easysync ltd will not accept any claim for damages howsoever arising as a result of use or failure of this product. your statutory rights are not affected. this product or any variant of it is not intended for use in any medical appliance, device or system in which the failure of the product might reasonably be expected to result in personal injury. this document provides preliminary information that may be subject to change without notice. no freedom to use patents or other intellectual property rights is implied by the publication of this document. easysync ltd, unit 1, 2 seaward place, cen turion business park, glasgow, g41 1hh, united kingdom. scotland registered number: sc224924 copyright ? 201 2 easys ync limited the usb2 - h - 500 x - m family provide a simple method of adapting legacy se rial devices with rs 485 interfaces to modern usb ports by incorporating the ftdi s hi - speed usb bridge chip s . the adaptor which is contained within a metal enclosure is either usb powered or externally powered (depends on the number of ports) and can suppl y an output of +5vdc @ up to 80 ma on the 5mm terminal block connectors or 30ma on the pin 9 of db9 connectors . indicator leds provide functional status. the usb2 - h - 5 00x - m family have been tested to be compliant with both fcc part 15 subpart b and european emc directive. had easysync ltd usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet document referen ce no.: es_000059 version 1.0 issue date: 2012 - 01 - 19 part number usb2 - h - 5 0 16 - m usb2 - h - 5 00 8 - m usb2 - h - 5 00 4 - m usb2 - h - 5 00 2 - m usb2 - h - 5 00 1 - m
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 2 1 introduction ................................ ................................ ................... 4 1.1 functional description ................................ ................................ .................. 4 1.2 led description ................................ ................................ ............................. 7 1.3 block diagram ................................ ................................ ............................... 7 1.3.1 singal port block diagram ................................ ................................ .......... 7 1.3.2 dual port block diagram ................................ ................................ ............. 8 1.3.3 four, eight and sixteen ports block diagram ................................ ................. 8 1.3.4 block description ................................ ................................ ....................... 9 1.4 features ................................ ................................ ................................ ...... 10 1.5 performance figures ................................ ................................ ................... 11 2 installation ................................ ................................ ................... 12 2.1 hardware configureations ................................ ................................ .......... 12 2.1.1 wiring ................................ ................................ ................................ ..... 12 2.2 device driver installation ................................ ................................ ........... 17 2.2.1 microsoft windows ................................ ................................ .................... 17 2.2.2 mac os x, linux, windows ce ................................ ................................ .... 21 3 connections ................................ ................................ .................. 22 3.1 external connectors ................................ ................................ .................... 22 3.1.1 usb ................................ ................................ ................................ ........ 22 3.1.2 rs 485 ................................ ................................ ................................ ..... 22 3.1.3 5mm terminal block ................................ ................................ ................. 23 4 termination and bias resistors setting ................................ ....... 25 5 electrical details ................................ ................................ ........... 28 5.1 usb ................................ ................................ ................................ ............. 28 5.2 5v power adapter ................................ ................................ ....................... 28 5.3 rs 485 ................................ ................................ ................................ ......... 28 5.4 power output ................................ ................................ .............................. 29 6 physical environment details ................................ ....................... 30 6.1 storage ................................ ................................ ................................ ....... 30 6.2 operating ................................ ................................ ................................ .... 30 7 physical dimensions ................................ ................................ ..... 31 7.1 usb2 - h - 5001 - m dimension ................................ ................................ ......... 31 7.2 usb2 - h - 5002 - m dimension ................................ ................................ ......... 33 7.3 usb2 - h - 5004 - m dimension ................................ ................................ ......... 35 7.4 usb2 - h - 5008 - m dimension ................................ ................................ ......... 36 7.5 usb2 - h - 5016 - m dimension ................................ ................................ ......... 37
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 3 8 environmental approvals & declarations ................................ ...... 38 8.1 emi compatibility ................................ ................................ ........................ 38 8.2 safety ................................ ................................ ................................ ......... 38 8.3 environmental ................................ ................................ ............................. 38 8.4 reliability ................................ ................................ ................................ .... 38 8.5 import / export information ................................ ................................ ....... 39 9 troubleshooting ................................ ................................ ........... 40 9.1 hardware ................................ ................................ ................................ .... 40 9.2 device driver ................................ ................................ .............................. 40 9.3 technical support ................................ ................................ ....................... 41 10 contact information ................................ ................................ ..... 42 appendix a C list of figures and tables ................................ ............. 43 appendix b C revision history ................................ ........................... 45
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 4 1 introduction 1.1 functional description the usb2 - h - 500x - m modules ar e a family of communication devices. this model, usb2 - h - 500x - m , provides a simple method of adapting many legacy rs485 serial devices to a modern usb port. this is accomplished by incorporating the industry standard ftdi usb 2.0 h i - speed serial bridge chi p. the integrated electronics of the usb2 - h - 100x - m utilise the ftdi ft 4 232 h , ft2232h or ft232h plus rs 485 level shifters and txd/rxd leds to provide a visual indication of data traffic through the module. figure 1 . 1 - usb2 - h - 500 1 - m
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 5 figure 1 . 2 - usb2 - h - 500 2 - m
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 6 figure 1 . 3 - usb2 - h - 500 4/5008/5016 - m the module uses a standard usb - b de vice connector for connection to an upstream host or hub port. rs 485 - level signals, including modem handshake signals, are available on an industry - standard de - 9p connector , the singal and dual port module also provide 5mm terminal block connector , custom er can use these signals friendly . the maximum rs 485 - level data rate is 8 mbps .
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 7 the usb2 - h - 500x - m module requires usb device drivers, available free from http://www.easysync - ltd.com/product - down loads , which are used to make the usb2 - h - 500x - m appear as virtual com port s (vcp). this allows existing serial communications software, such as hyperterminal, to exchange data through the usb2 - h - 500x - m to a legacy rs 485 peripheral device. 1.2 led description the usb2 - h - 500x - m has three type of leds to indicate a valid link as well as data traffic according to the following table: led colour function description led quantity yellow enumerated on when usb2 - h - 500x - m is configured and ready 1 red txd activity flashes when data is transmitted from the usb2 - h - 500x - m to the attached rs485 device e ach ports have one txled green rxd activity flashes when data is transmitted from the attached rs485 device to the usb2 - h - 500x - m . e ach ports have one rxled table 1 . 1 C led description 1.3 block diagram 1.3.1 singal port block diagram figure 1 . 4 - usb2 - h - 500 1 - m block diagram f t d i f t 2 3 2 h h i g h - s p e e d u s b s e r i a l b r i d g e u s b b c l i e n t c o n n e c t o r d e - 9 p c o n n e c t o r r s 4 8 5 l e v e l s h i f t e r 1 0 p i n 5 m m t e r m i n a l b l o c k
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 8 1.3.2 dual port block diagram figure 1 . 5 - usb2 - h - 500 2 - m block diagram 1.3.3 four, eight and sixteen ports block diagram figure 1 . 6 - usb2 - h - 5 00 4/5008/5016 - m main board block diagram f t d i f t 2 2 3 2 h h i g h - s p e e d u s b s e r i a l b r i d g e u s b b c l i e n t c o n n e c t o r c h a n n e l a c h a n n e l b r s 4 8 5 l e v e l s h i f t e r d e - 9 p c o n n e c t o r a r s 4 8 5 l e v e l s h i f t e r d e - 9 p c o n n e c t o r b 6 p i n 5 m m t e r m i n a l b l o c k b 6 p i n 5 m m t e r m i n a l b l o c k a f t d i f t 4 2 3 2 h h i g h - s p e e d u s b s e r i a l b r i d g e g l 8 5 0 g u s b h u b i c c h a n n e l a c h a n n e l b r s 4 8 5 l e v e l s h i f t e r d e - 9 p c o n n e c t o r a c h a n n e l c c h a n n e l d r s 4 8 5 l e v e l s h i f t e r d e - 9 p c o n n e c t o r b r s 4 8 5 l e v e l s h i f t e r d e - 9 p c o n n e c t o r c r s 4 8 5 l e v e l s h i f t e r d e - 9 p c o n n e c t o r d u s b b c l i e n t c o n n e c t o r c o n n e c t o r + 5 v d c o u t p u t s w i t c h
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 9 figure 1 . 7 - usb2 - h - 5 00 8/5016 - m daughter board block diagram 1.3.4 block description usb b client connector this connector provides the inte rface for connection to a usb host or hub port. the maximum cable length is 5 meters, according to the usb 2.0 specification. genesys gl850g the genesys gl850g is advanced version hub solutions which fully comply with universal serial bus specification re vision 2.0. ftdi ft4232h the ftdi ft4232h provides the hi - speed usb - to - serial conversion. operating system device drivers are required in order to work with the ft4232 h to provide the quad virtual com port serial interfaces. ftdi ft 2 232h the ftdi ft 2 232h provides the hi - speed usb - to - serial conversion. operating system device drivers are required in order to work with the ft 2 232h to provide the daul virtual com port serial interfaces. ftdi ft232h the ftdi ft232h provides the hi - speed usb - to - serial con version. operating system device drivers are required in order to work with the ft232h to provide the one virtual com port serial interface. rs485 level shifter the rs 485 level shifter converts the signals provided by the hi - speed usb - to - serial conversi on of ftdi into the voltage levels required by rs 485 devices. de - 9p connector (male) f t d i f t 4 2 3 2 h h i g h - s p e e d u s b s e r i a l b r i d g e c h a n n e l a c h a n n e l b r s 4 8 5 l e v e l s h i f t e r d e - 9 p c o n n e c t o r a c h a n n e l c c h a n n e l d r s 4 8 5 l e v e l s h i f t e r d e - 9 p c o n n e c t o r b r s 4 8 5 l e v e l s h i f t e r d e - 9 p c o n n e c t o r c r s 4 8 5 l e v e l s h i f t e r d e - 9 p c o n n e c t o r d c o n n e c t o r + 5 v d c o u t p u t s w i t c h
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 10 the de - 9p connector is configured in an industry standard (tia/eia - 574) pin - out to provide connection to rs 485 peripherals through standard cables. see section 3.1.2 5mm terminal block there are 5mm t erminal b lock connector s provide the connection to rs485 peripherals device s . +5v dc o utput switch this switch can disable/enable the +5vdc to an external device s. main board t his is using on 4 and 16 ports product. w hen product is 4 - ports that use a main board, when product is 16 - ports product that use two main boards. daughter board t his is using on 8 and 16 ports product. w hen product is 8 - ports that use a daughter board, when product is 16 - ports product that use two daughter boards. 1.4 features rs - 485 serial port s by connecting to hi - speed usb 2.0 interface. easy plug & play installation and rs - 485 device connection provide usb2.0 hi - speed(480mbps) interface and w orks with usb 1.1 & 2.0 host and hub ports industry standard ftdi chip set & device drivers for maximum compatibility microsoft windows ? whql - certified, mac os x, linux and windows ce device drivers installs as standard windows com port s com port number can be changed to any availa ble com port number, to support hyperterminal, or any other serial communications software application running in windows supports windows server 2008, 2003, vista, xp 2000, linux, mac os x fifo: usb2 - h - 5 004/ 5 008/ 5 016 - m - ft4232h 2k byte transmit buffer, 2k byte receive buffer usb2 - h - 5 00 2 - m - ft2232h 4 k byte transmit buffer, 4 k byte receive buffer usb2 - h - 5 00 1 - m ft232h 1 k byte transmit buffer, 1 k byte receive buffer rs - 485 data signals: data+ , data - , gnd single, dual and quad ports produc t are powered by usb port. no external power adapter is required. note that they can also be power ed from external power adapter . serial port speed up to 8 mbps serial communication parameters o parity: none, even, odd o data bits: 7, 8 o flow control: x - on/x - off, none t he standard de - 9p male connector s leds indicate usb enumeration, rxd, txd for monitoring port status & easy diagnostics operating temperature of - 40c to +85c
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 11 5mm terminal block connectors echo and non - echo two modes can be selected . ter mination on and off two modes can be selected . +5v dc power output for external devices o the maximum current of 4, 8 and 16 port are 30ma o the maximum current of 1 and 2 port are 80ma note. t he windows ce5.0 can only support com0~com9, when the ftdi com port s are over the windows ce available com ports, you c an not use ftdi com port. note. hyperterminal is no longer provided with windows 7 /vista. 1.5 performance figures parameter performance usb interface 480 mbps usb 2.0 high - speed rs 485 interface standard w indows baud rates (300bps to 921.6k bps) custom baud rates (300bps to 8 mbps ) through baud rate aliasing. see ftdi application note: an_120_aliasing_vcp_bau d_rates m ax c able l ength us b = 5m, rs4 85 =12m (at 10mbps) table 1 . 2 - performance figures part number description usb2 - h - 50 16 - m hi - speed usb to 16 - port s rs 485 module usb2 - h - 500 8 - m hi - speed usb to 8 - por t s rs 485 module usb2 - h - 500 4 - m hi - speed usb to quad - port rs 485 module usb2 - h - 500 2 - m hi - speed usb to dual - port rs 485 module usb2 - h - 500 1 - m hi - speed usb to single - port rs 485 module table 1 . 3 - ordering info rmation
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 12 2 installation 2.1 hardware configureations insert the a - plug of usb cable into an available usb host or hub port. insert the b - plug of usb cable into the b - receptacle on the usb2 - h - 500x - m . 2.1.1 wiring rs485 cables have followed a standard 9 - pin configurati on on a d - sub connector since the mid 1980s. the usb2 - h - 500x - m family follows this standard as a data terminal equipment (dte) device. if the rs485 equipment being connected is a data communication equipment (dce) device, its typical that a straight - th rough cable can be used. dte pin number signal name e xpected c onnect signal 1 data - = transmit /receive data , negative polarity data - 2 d ata+ = transmit /receive data , positive polarity d ata+ 3 n/a n/a 4 n/a n/a 5 gnd = signal ground gnd 6 n/a n/a 7 n/a n/a 8 n/a n/a 9 pwr = +5v dc output (4,8 and 16 ports product.) pwr table 2 . 1 C rs 485 dte to dce connection single - port switch setting sw 1 position open (off) closed (on) 1 - 4 echo on echo off 2 - 3 termination off termination on table 2 . 2 C s witch s etting configuration of usb2 - h - 500 1 - m .
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 13 dual - port switch setting t he dual - port has two switch to control the termination and echo function of two chan nels. channel 1: sw 1 position open (off) closed (on) 1 - 4 echo on echo off 2 - 3 termination off termination on table 2 . 3 C sw1 s etting configuration of the usb2 - h - 500 2 - m . chanel 2: sw 2 position open (off ) closed (on) 1 - 4 echo on echo off 2 - 3 termination off termination on table 2 . 4 C sw2 s etting configuration of the usb2 - h - 500 2 - m . 4 port s switch setting sw 1 position ports position open (off) closed ( on) 1 cn 4 echo on echo off 2 cn 3 3 cn 2 4 cn 1 table 2 . 5 C sw1 s etting configuration of the usb2 - h - 500 4 - m . sw 2 position ports position open (off) closed (on) 1 cn 4 termination off termination on 2 cn 3 3 cn 2 4 cn 1 table 2 . 6 C sw2 s etting configuration of the usb2 - h - 500 4 - m .
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 14 sw 3 position ports position open (off) closed (on) 1 cn 4 5v out disable 5v out enable 2 cn 3 3 cn 2 4 cn 1 table 2 . 7 C sw3 s etting configuration of the usb2 - h - 500 4 - m . 8 ports switch setting sw position ports position open (off) closed (on) sw1 1 cn 4 echo on echo off 2 cn 3 3 cn 2 4 cn 1 sw4 1 cn 8 e cn o on e cn o off 2 cn 7 3 cn 6 4 cn 5 table 2 . 8 C echo function switch s etting configuration of the usb2 - h - 500 8 - m .
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 15 sw position ports position open (off) closed (on) sw2 1 cn 4 termination off terminat ion on 2 cn 3 3 cn 2 4 cn 1 sw5 1 cn 8 termination off termination on 2 cn 7 3 cn 6 4 cn 5 table 2 . 9 C termination function switch s etting configuration of the usb2 - h - 500 8 - m . sw position po rts position open (off) closed (on) sw3 1 cn 4 5v out disable 5v out enable 2 cn 3 3 cn 2 4 cn 1 sw6 1 cn 8 5v out disable 5v out enable 2 cn 7 3 cn 6 4 cn 5 table 2 . 10 C 5v out switch s etti ng configuration of the usb2 - h - 500 8 - m .
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 16 16 ports switch setting sw position ports position open (off) closed (on) sw position ports position sw1 1 cn 4 echo on echo off sw 7 1 cn 12 2 cn 3 2 cn 11 3 cn 2 3 cn 10 4 cn 1 4 cn 9 sw4 1 cn 8 sw 10 1 cn 16 2 cn 7 2 cn 15 3 cn 6 3 cn 14 4 cn 5 4 cn 13 table 2 . 11 C echo function switch s etting configuration of the usb2 - h - 500 16 - m . sw position ports position open (off) closed (on) sw positio n ports position sw2 1 cn 4 termination off termination on sw8 1 cn 12 2 cn 3 2 cn 11 3 cn 2 3 cn 10 4 cn 1 4 cn 9 sw5 1 cn 8 sw11 1 cn 16 2 cn 7 2 cn 15 3 cn 6 3 cn 14 4 cn 5 4 cn 13 table 2 . 12 C termination function switch s etting configuration of the usb2 - h - 500 8 - m .
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 17 sw position ports position open (off) closed (on) sw position ports position sw3 1 cn 4 5v out disable 5v out enable sw9 1 cn 12 2 cn 3 2 cn 11 3 cn 2 3 cn 10 4 c n 1 4 cn 9 sw6 1 cn 8 5v out disable 5v out enable sw12 1 cn 16 2 cn 7 2 cn 15 3 cn 6 3 cn 14 4 cn 5 4 cn 13 table 2 . 13 C 5v out switch s etting configuration of the usb2 - h - 500 8 - m . 5v out: this +5v s upply is available after the usb2 - h - 500x - m is fully enumerated and device drivers are loaded , and each port provide s a maximum curre n t of 30ma. the single and dual port models do not have the switch but th ey can provide a maximum curre n t of 80ma ( when pow ered from the usb bus) . w hen using the external power adapter the maximum curre n t can be increase d . 2.2 device driver installation the usb2 - h - 5 00x - m series adaptor drivers are available for download from: http://www.easysync - ltd.com/product - downloads 2.2.1 microsoft windows with the device drivers being windows hardware quality labs (whql) certified, they are also available through download directly from the microsoft ? windows ? update service. this is the best choice when connecting the usb2 - 5 00 x - m series to a computer running windows vista. additional installation options are noted below: installation executable on windows xp 1) login to your system as administrator, or a user with administrator rights. 2) prior to connecting the usb2 - 5 00 x - m series to the usb host or hub port, download the latest device driver version from the easysync web site .
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 18 3) run this executable to install the device drivers. 4) conn ect the usb2 - 5 00 x - m series to your computer. a notification will appear near the task bar indicating that new hardware has been installed and is ready for use. it is normal if this notice appears twice. figure 2 . 1 - hardware ready windows update shown on windows xp you must have an active internet connection and the windows update service enabled. 1) connect the usb2 - 5 00 x - m series to your usb host or hub. 2) the Dfound new hardware wizard will appear. the fi rst dialog should ask whether it is acceptable to use the windows update service to find the device driver. figure 2 . 2 C found new hardware wizard 3) select one of the Dyes choices and click Dnext. 4) the f ollowing screen appears: figure 2 . 3 C automatic install 5) wait while the driver is found, downloaded, and installed. this step may take a couple minutes depending on the internet speed. 6) after the files are f ound and installed, click Dfinish to complete the installation.
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 19 figure 2 . 4 - complete hardware installation 7) steps 2 through 6 will repeat. the first time installs the basic usb serial converter in the usb device tree. the second time installs the virtual com port layer in the ports tree and assigns the com port number. 8) when both portions of the device driver have been installed successfully, the following message will appear, indicating that the device is ready. figure 2 . 5 - hardware ready com port assignment next, to determine which com port has been assigned, open the windows device manager from the system control panel. figure 2 . 6 - device manager click on the plus D+ sign next to the ports tree to list the available com port. you will see Dusb serial port, followed by a comn assignment. in the figure below, the usb2 - h - 500x - m - dual port is assigned t o com 3 to com4 , so how many com ports are depend on your device.
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 20 figure 2 . 7 - com port assignment use this com port number with your application software in order to access the usb2 - h - 500x - m . if an applicat ion requires use of a different com port number, the assignment may be changed through the advanced driver options settings. from the device manager listing above, right - click on the usb serial port and select properties . figure 2 . 8 C access com port properties next, click on the Dport settings tab. figure 2 . 9 - settings tab then click on the Dadvanced button.
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 21 figure 2 . 10 - advanced options this will display the various advanced settings. note the com port assignment in the upper left. clicking on the drop - down list will display the available port numbers. select one that is not in use and click ok on each dialog box to activate the selection. windows will remember this com port number. 2.2.2 mac os x, linux, windows ce device drivers and ftdi installation guides for mac os x, linux and windows ce are available for download on the easysync web sites. foll ow the respective ftdi installation guides for the chosen operating system. the windows ce5.0 can only support com0~com9, when the ftdi com ports are over the windows ce available com ports, you could not use ftdi com port.
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 22 3 connections 3.1 external connectors 3.1.1 usb the usb2 - h - 500x - m famly are a downstream usb 2.0 high - speed device. a standard usb series D b receptacle is mounted inside the usb2 - h - 500x - m family to facilitate connection to an upstream usb host or hub. pin number pin type description 1 power v bus C usb power provided from upstream usb host or hub 2 bidirectional d C = usb data signal, negative polarity 3 bidirectional d+ = usb data signal, positive polarity 4 ground gnd = usb signal ground shield case ground drain = typically connected to th e host pc case table 3 . 1 C usb " b " receptacle pin - out 3.1.2 rs 485 the rs 485 ports are configured as data terminal equipment (dte), with a 9 - contact d - sub pin connector. pin assignments are according to tia/eia - 485 . in addition, pin9 of db9 provide s +5vdc to an external device with a maximum current draw of 30 ma once the usb2 - h - 500x - m has been enumerated by the system. pin number pin type description 1 data - = transmit /receive data , negative polarity data - 2 d at a+ = transmit /receive data , positive polarity d ata+ 3 n/a n/a 4 n/a n/a 5 gnd = signal ground gnd 6 n/a n/a 7 n/a n/a 8 n/a n/a 9 pwr = +5v dc output pwr table 3 . 2 C de - 9p rs 485 pin - out
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 23 3.1.3 5mm terminal b lock the singal and dual port product also provide another interface for customer using that is 5mm terminal block connector . each rs 485 signals also connected through a 5mm terminal block connector. this is shown in the following table: single port termi nal block single port terminal block terminal block pin number pin type description 1 input channel 1 data - 2 input channel 1 d ata+ 3 n/a n/a 4 n/a n/a 5 ground gnd = rs485 signal ground 6 n/a n/a 7 n/a n/a 8 n/a n/a 9 n/a n/a 10 pwr output +5 v dc output table 3 . 3 C usb2 - h - 500 1 - m terminal block interface figure 3 . 1 - usb2 - h - 500 1 - m terminal block connector assignment
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 24 dual port terminal block dual port terminal block terminal block pin number (channel 1 and channel 2) pin type description 1 input channel 1 data - 2 input channel 1 d ata+ 3 n/a n/a 4 n/a n/a 5 pwr output +5v dc output 6 ground gnd = rs485 signal ground table 3 . 4 C usb2 - h - 500 2 - m terminal block interface figure 3 . 2 - usb2 - h - 500 2 - m terminal block connector assignment i n addition, one pin of terminal block connector can provide +5vd c to an external device with a maximum current draw of 80 ma once the usb 2 - 5 001/ 5 002 - m ha ve been enumerated by the system.
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 25 4 termination and bias resistors setting figure 4. 1 shows a general - purpose rs - 485 network which has 4 devices . each node has a transcei ver that interfaces between rs - 485 and ttl logic levels. each node also has two 10k biasing resistors which hold the line in a known state when no drivers are enabled. figure 4 . 1 C an example for rs485 network (without terminations) the usb2 - h - 500x - m has these biasing circuits fitted internally. the unit is supplied with a 10 k pu llup from line data+ to vcc and a 10 k pulldown from line data - to ground . when no drivers are enabled, the biasing resistors hold line data+ more positive than line data - . note that these are sufficient when no termination is enabled on the bus, but addi tional resistors may be required if termination is enabled. please refer to figure 4.2 in this case.
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 26 if there are over 20 devices in the network, the parallel value of bias resist o rs will reduce to 500 , and the value will be too small and the transceiver output may not drive the signal high or low correctly. remov ing the internal bias resist o rs from some nodes to reduce the combined value to greater than 500 will improve the signal quality in this case. there should not be issues if the parallel value o f the bias resist o rs is over 500 . add ing terminations will reduce voltage reflections that can cause the receiver to misread logic levels. the receiver sees reflected voltages as output switches, and the line settles from its initial current to its final current. the termination eliminates reflections by making the initial and final currents equal. the circuit has two 120 - terminating resistors connected in parallel, at or just beyond the final node at each end of the link. one end of the link also has t wo 75 0 - biasing resistors. figure 4 . 2 C an example for rs485 network (with terminations)
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 27 the final current is a function of the line termination, the receivers input impedance, and the lines series impedance. in a typical rs - 485 line without a term ination, the initial current is greater than the final current because the characteristic impedance is less than the receivers combined input impedance. on a line without a termination, the first reflection occurs when the initial current reaches the rec eiver. the receivers input can absorb only a fraction of the current. the rest reflects back to the driver. as the current reverses direction, its magnetic field collapses and induces a voltage on the line. as a result, the receiver initially sees a great er voltage than what was transmitted. when the reflected voltage reaches the driver, which has a lower impedance than the line, the driver absorbs some of the reflection and bounces the rest back to the receiver. this reflection is of opposite polarity to the first reflection and causes the receiver to see a reduced voltage. the reflections bounce back and forth like this for a few rounds before they die out and the line settles to its final current. if the line terminates with a resistor equal to the lin es characteristic impedance, there are no reflections. when the initial current reaches the termination, it sees exactly what it was expecting a load equal to the lines characteristic impedance. the entire transmitted voltage drops across the load. in a network with two parallel terminations, the drivers drive two lines with each ending at a termination. when two 120 termination resistors are added ,the difference between data+ and data - shrinks to a few millivolts, much less than the required 200 mv. the solution is to add smaller resistors in parallel with the internal biasing so that a greater proportion of the series voltage drops across the termination. the size of the biasing resistors is a tradeoff. for a greater voltage difference and higher noise immunity on an idle line, use smaller values. for lower power consumption and a greater differential voltag e on a driven line, use larger values. the table 4.1 below shows the component numbers of the b ias resist o rs in each module. all termination resist o rs in the usb2 - h - 500x - m can be enabled or disabled by switches. please refer to table 2.12. the u ser can a lso remove or modify the internal bias resist o rs to meet their requirements. a ll default value of bias resist o rs are 10k . m odules name bias resistor numbers daughter board main board usb2 - h - 500 1 6 - m (r41,r47),(r46,r48),(r49,r67),(r66,r68) (r38,r40),( r39,r41),(r42,r48),(r47,r49) usb2 - h - 500 8 - m (r41,r47),(r46,r48),(r49,r67),(r66,r68) (r38,r40),(r39,r41),(r42,r48),(r47,r49) usb2 - h - 500 4 - m r38,r40),(r39,r41),(r42,r48),(r47,r49) usb2 - h - 500 2 - m (r51,r53),(r52,r54) usb2 - h - 500 1 - m r25,r26 table 4 . 1 C bias resistor numbers of each modules
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 28 5 electrical details 5.1 usb parameter description minimum typical maximum units conditions usb_vcc input power voltage* 4.25 5.0* 5.25 v *present when usb cable is attached and usb host or hub powered. 1 port i cc usb current 61 62 ma ***does not include power supplied to external device when ri/pwd pin is configured for +5v output 2 ports 85 100 4 ports 115 135 table 5 . 1 - usb electrical details 5.2 5v power adapter parameter description minimum typical maximum units conditions 5v power adapter _vcc power voltage 4.75 5 5.25 v a dapter provide 5v 2a of power. 8 ports i cc p ower adapter current 300 320 ma ***does not include po wer supplied to external device when ri/pwd pin is configured for +5v output 16 ports 535 555 table 5 . 2 - 5v power adapter electrical details 5.3 rs 485 parameter description minimum typical maximum units c onditions v trans transmitter output voltage swing 2 v r l = 5 0r c l = 50pf v rec receiver input voltage range - 7 +12 v r l = 5 0r c l = 50pf esd hbm n/a 15 kv for all rs - 485 inputs and outputs pin table 5 . 3 C rs 485 electrical details
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 29 5.4 power output the usb2 - h - 500x - m provide s +5v dc for an external device that requires power on pin9 of db9 and termination block connector. the +5v output is only enabled when the usb interface is not in suspend and the switch is setting in closed. parameter description minimum typical ma ximum units conditions i o single and dual port output power current 0 80 ma usb interface is not in suspend. this is the total current available on all ports 4, 8 and 16 ports output power current 0 30 ma t he switch is set in +5v dc enable,and usb in terface is not in suspend. table 5 . 4 - power output for usb2 - h - 500x - m
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 30 6 physical environment details 6.1 storage parameter description minimum typical maximum units conditions t storage temperature range - 65 + 150 o c table 6 . 1 - storage temperature 6.2 operating parameter description minimum typical maximum units conditions t operating temperature range C 40 +85 o c 5% to 95% rh, non condensing table 6 . 2 - operating temperature
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 31 7 physical dimensions all dimensions are in mm, and the tolerance are +/ - 0.1mm . 7.1 usb2 - h - 5 001 - m dimension figure 7 . 1 - usb2 - h - 5 00 1 - m top cover of dimension
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 32 figure 7 . 2 - usb2 - h - 5 00 1 - m bottom cover of dimension
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 33 7.2 usb2 - h - 5 00 2 - m dimension figure 7 . 3 - usb2 - h - 5 00 2 - m top cover of dimension
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 34 figure 7 . 4 - usb2 - h - 5 00 2 - m bottom cover of dimension
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 35 7.3 usb2 - h - 5 00 4 - m dimension figure 7 . 5 - usb2 - h - 5 00 4 - m top cover of dimension figu re 7 . 6 - usb2 - h - 5 00 4 - m bottom cover of dimension
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 36 7.4 usb2 - h - 5 00 8 - m dimension figure 7 . 7 - usb2 - h - 5 00 8 - m top cover of dimension figure 7 . 8 - usb2 - h - 5 00 8 - m bottom cover of dimension
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 37 7.5 usb2 - h - 5 0 16 - m dimension figure 7 . 9 - usb2 - h - 5 0 16 - m top cover of dimension figure 7 . 10 - usb2 - h - 5 0 16 - m bottom cover of dimension
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 38 8 environmental approvals & declarations 8.1 emi compatibility fcc and ce the usb2 - h - 500x - m family ha ve been tested to be compliant with both fcc part 15 subpart b and european emc directive. note: this is a cla ss b product. in a domestic environment, this product may cause radio interference, in which case the user may be required to take adequate measures. note: this equipment has been tested and found to comply with the limits for a class b digital device, pursuant to part 15 of the fcc rules. these limits are designed to provide reasonable protection against harmful interference in a residential installation. this equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. however, there is no guarantee that interference will not occur in a particular installation. if this equipment does cause harmful interference to radio or televi sion reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: reorient or relocate the receiving antenna. increase the separation between the equipment and receiver. connect the equipment into an outlet on a circuit different from that to which the receiver is connected. consult the dealer or an experienced radio/tv technician for help. 8.2 safety the usb2 - h - 500x - m - family are d efine d as limited po wer supply (lps) device, with operating voltages under 60vdc . 8.3 environmental the usb2 - h - 500x - m family are a lead - free device that complies with the following environmental directives: rohs, weee, reach, pfos and decabde. 8.4 reliability the usb2 - h - 500x - m famil y are designed as a robust usb - serial module for use in many environments. there are no user - serviceable parts. any failure will require a replacement of the unit.
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 39 8.5 import / export information import / export information country of origin china harm onized code 8471 - 80 - 1000 product description usb to rs 485 development module, single/dual/quad/eight/sixteen com port usa eccn ear99 C no license required table 8 . 1 - import / export information
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 40 9 troubleshoo ting 9.1 hardware cables are the most common sources of trouble with external devices. check the following: - usb cable is properly inserted at both ends - computer power is on - computer is not in sleep or standby - if a usb hub is used, be sure it is set for Dself - powered operation - if a usb hub is used, be sure all cables are properly inserted - if all the above are ok, the yellow led should be lit, indicating the device has been recognized by the usb subsystem. rs 485 cables C check the following: - check for specific handshake requirements of your rs 485 peripheral. - because there is not handshake signals, ensure the application is set to Dno hardware handshake, or equivalent. - test the port with a loop - back connector. connect d ata+ to data+ , data - to data - . use a si mple terminal program to check that data is transmitted and received. - one single port product can enable the echo function and didn t connect anything that can also verify the rs485 function. 9.2 device driver ensure the latest device driver is in use. see http://www.easysync - ltd.com/product - downloads . if other devices with ftdi chips are installed in the system, check with all manufacturers of these devices for the latest device drivers. see the ftdi installation guides for additional details: http://ftdichip.com/documents/installguides.htm common windows device driver troubles: device times out : the default settings of the device dr iver assume typical data transfers of hundreds to thousands or more bytes at a given time. some applications, such as a gps device, only send data in short packets, often only a few bytes. if this is the case, it may be necessary to adjust the driver buf fer size and/or latency timer to smaller values. these values can be adjusted through the advanced driver options as noted in figure 2.1 0 . the buffer size can be reduced to 64 bytes. the latency timer can be set as low as 2ms. a setting of 1ms will cau se unnecessary usb traffic and could adversely affect data transmission. erratic mouse pointer : the device driver defaults to query an attached device to find out whether it is a mouse or modem, consistent with native com port operation. some rs 485 perip herals constantly send short packets of data, causing the host system to Dthink a mouse or modem has been attached. these short packets will interfere with normal mouse operation causing the pointer to jump around the screen. if this happens, disconnect the rs 485 device and uncheck the serial enumerator option, also found on the advanced driver options screen in figure 2.1 0 . com port in use : windows keeps track of all com port assignments. if multiple ftdichip products have been connected to a single s ystem, the com port number will increase, even if the other devices are not attached. if the higher com port assignments are not acceptable for the application, known unused com port numbers should be uninstalled according to the ftdi installation guide: http://ftdichip.com/documents/installguides.htm .
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 41 9.3 technical support technical support may be obtained from your nearest easysync office . see details below. e - mail (support): support@easysync - ltd.com web: http://www.easysync - ltd.com/product - downloads
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 42 10 contact information head office C glasgow, uk easysync limited unit 1, 2 seaward p lace, centurion business park glasgow, g41 1hh united kingdom tel: +44 (0) 141 418 0181 fax: +44 (0) 141 418 0110 branch office C hillsboro, oregon, usa easysync limited (usa) 7235 nw evergreen parkway, suite 600 hillsboro, or 97123 - 5803 usa tel: +1 (5 03) 547 0909 fax: +1 (503) 547 0990 e - mail (sales) sales@easysync - ltd.com e - mail (support) support@easysync - ltd.com e - mail (general inquiries) admin@easysync - ltd.com web site url http://easysync - ltd.com web shop url http://easysync - ltd.com
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 43 appendix a C list of figures and tables lis t of figures figure 1.1 - usb2 - h - 500 1 - m ................................ ................................ ...................... 4 figure 1.2 - usb2 - h - 500 2 - m ................................ ................................ ...................... 5 figure 1 .4 - usb2 - h - 500 1 - m block diagram ................................ ............................... 7 figure 1.5 - usb2 - h - 500 2 - m block diagram ................................ ............................... 8 figure 1.6 - usb2 - h - 5 00 4/5008/5016 - m main board block d iagram ........................ 8 figure 1.7 - usb2 - h - 5 00 8/5016 - m daughter board block diagram .......................... 9 figure 2.1 - hardware ready ................................ ................................ .................... 18 figure 2.2 C found new hardware wizard ................................ ............................... 18 figure 2.3 C automatic install ................................ ................................ .................. 18 figure 2.4 - complete hardw are installation ................................ ............................ 19 figure 2.5 - hardware ready ................................ ................................ .................... 19 figure 2.6 - device manager ................................ ................................ ..................... 19 figure 2.7 - com port assignment ................................ ................................ ............ 20 figure 2.8 C access com port properties ................................ ................................ .. 20 figure 2.9 - settings tab ................................ ................................ .......................... 20 figure 2.10 - advanced options ................................ ................................ ................ 21 figure 3.1 - usb2 - h - 500 1 - m terminal block connector assignment ........................ 23 figure 3.2 - usb2 - h - 500 2 - m terminal block connector assignment ........................ 24 figure 7.1 - usb2 - h - 5 00 1 - m top cover of dimension ................................ .............. 31 figur e 7.2 - usb2 - h - 5 00 1 - m bottom cover of dimension ................................ ......... 32 figure 7.3 - usb2 - h - 5 00 2 - m top cover of dimension ................................ .............. 33 figure 7.4 - usb2 - h - 5 00 2 - m bot tom cover of dimension ................................ ......... 34 figure 7.5 - usb2 - h - 5 00 4 - m top cover of dimension ................................ .............. 35 figure 7.6 - usb2 - h - 5 00 4 - m bottom cover of dimension ................................ ......... 35 figure 7.7 - usb2 - h - 5 00 8 - m top cover of dimension ................................ .............. 36 figure 7.8 - usb2 - h - 5 00 8 - m bottom cover of dimension ................................ ......... 36 figure 7.9 - usb2 - h - 5 0 16 - m top cover of dimension ................................ .............. 37 figure 7.10 - usb2 - h - 5 0 16 - m bottom cover of dimension ................................ ....... 37 list of tables table 1.1 C led description ................................ ................................ ........................ 7 table 1.2 - performance figures ................................ ................................ ............... 11 table 1.3 - ord ering information ................................ ................................ .............. 11 table 2.1 C rs 485 dte to dce connection ................................ ................................ 12
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 44 table 2.2 C switch setting configuration of usb2 - h - 500 1 - m . ................................ .. 12 table 2.3 C sw1 setting configuration of the usb2 - h - 500 2 - m . ................................ 13 table 2.4 C sw2 setting configuration of the usb2 - h - 500 2 - m . ................................ 13 table 2.5 C sw1 setting configuration of the usb2 - h - 500 4 - m . ................................ 13 table 2.6 C sw2 setting configuration of the usb2 - h - 500 4 - m . ................................ 13 table 2.7 C sw3 setting configuration of the usb2 - h - 500 4 - m . ................................ 14 table 2.8 C echo function switch setting configuration of the usb2 - h - 500 8 - m . ...... 14 table 2.9 C termination function switch setting configuration of the usb2 - h - 500 8 - m . ................................ ................................ ................................ ................................ . 15 table 2.10 C 5v out switch setting configuration of the usb2 - h - 500 8 - m . ............... 15 table 2.11 C echo function switch setting configuration of the usb2 - h - 500 16 - m . .. 16 table 2.12 C termination function switch setting configuration of the usb2 - h - 500 8 - m . ................................ ................................ ................................ ............................. 16 table 2.13 C 5v out switch setting configuration of the usb2 - h - 500 8 - m . ............... 17 table 3.1 C usb " b " receptacle pin - out ................................ ................................ ... 22 table 3.2 C de - 9p rs 485 pin - out ................................ ................................ ............. 22 table 3.3 C usb2 - h - 500 1 - m terminal block interface ................................ .............. 23 table 3.4 C usb2 - h - 500 2 - m terminal block interface ................................ .............. 24 table 4.1 C bias resistor numbers of each modules ................................ ................. 27 table 5.1 - usb electrical details ................................ ................................ .............. 28 table 5.2 - 5v power adapter electrical details ................................ ........................ 28 table 5.3 C rs 485 electrical details ................................ ................................ .......... 28 table 6.1 - storage temperature ................................ ................................ .............. 30 table 6.2 - operating temperature ................................ ................................ .......... 30 table 7.1 - import / export information ................................ ................................ .. 39
document reference no.: es_000059 usb2 - h - 500x - m family hi - speed usb to multi - ports rs485 adapter data sheet version 1.0 clearance no.: es #45 ?201 2 easys ync ltd. 45 appendix b C revision history version draft first external draft for comment 20 10 - 10 - 04 version 1.0 first release 2012 - 01 - 19
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