industrial bus tdx01d485h series 2015.03.10- a /4 page 1 of 4 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation single high speed rs485 isolation t ransceiver module cb rohs features z two-terminal isolation ( input and output are mutually isolated) z integrated isolated dc/dc converter z bus protection z isolation voltage: 2.5kvdc z operating t emperature range:-40 ~+85 z baud rate 200kbps z connect up to 32 nodes on one bus part number system t d501d485h rate port signal type package type channel number power distrubution output power input digital bus interface product type t d301d485h/TD501D485H s erie s ar e t ransceive r isolatio n modul e w it h integrate d duple x powe r isolation, electrical isolation, an d rs48 5 interface bus protector ; the isolation rs485 circuits of using a piece of power isolation module, three light couplings and rs485 transceivers and device are only need to adopt a rs485 isolation module now. simplify the customers on the isolation requirements of the design; products can be easily embedded in the user equipment, achieve function of rs485 network connection. selection guide certification part no. power supply input (vdc) ul/ce td301d485h 3.17~3.45 TD501D485H 4.75~5.25 input specifications item operating conditions value input power supply static current products energized, no communication 35ma send current 200kbps square wave communication 70ma input serial interface td301d485h compatible with + 3.3 v uart interface TD501D485H compatible with + 5 v uart interface pin current i txd 2ma; i rxd 2ma; i con 5ma bus interface item operating conditions value output rs485 bus interface standard interface rs485 ,pull-up and pull-down resistor, whose value is 5.1k ? , have been set to a/b line. t ransmission specifications item operating conditions value data rate 200kbps (max.) transceiver switching delay the delay time from the receiving data switch to the send data : 30 s(min.), 100 s(max.). the number of nodes connect up to 32 nodes on one bus transceiver control contrary to common rs485 transceiver control level truth table sending status control input output con txd a b line state 0110normal 0001normal
industrial bus tdx01d485h series 2015.03.10- a /4 page 2 of 4 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation truth table receiving status control input output con a-b rxd 1 0.2v 1 1 -0.2v 0 general specifications item operating conditions value electric isolation two-terminal isolation (input and output are mutually isolated) degree of isolation testing for 1 minute, leakage current <5ma, humidity <95% 2.5kvdc operating temperature -40 ~+85 transportation and storage temperatu re -50 ~+105 operating humidity 10%~90% max. casing temperature ta=25 50 application environment the presence of dust, fierce vibration, impulsion and corrosive gas may cause damage to the product safety standard iec60950/en60950/ul60950 safety certification iec60950/en60950/ul60950 safety class class iii physical specifications casing material black flame-retardant heat-proof epoxy resin (ul94-v0) package dip10 weight 4.0g(typ.) cooling method free air convection emc specifications emi conducted disturbance cispr22/en55022 class a (see 2- for recommended circuit) radiated emission cispr22/en55022 class a (see 2- for recommended circuit) ems electrostatic discharge iec/en61000-4-2 contact 4kv perf. criteria b eft iec/en61000-4-4 power supply port 2kv (see 2- for recommended circuit) perf. criteria b iec/en61000-4-4 signal port 1kv (see 2- for recommended circuit) perf. criteria b surge immunity iec/en61000-4-5 power supply port 1kv (see 2- for recommended circuit) perf. criteria b signal port 0.25kv/0.5kv (see 2- for recommended circuit) perf. criteria b signal port 0.5kv/1kv (see 2- for recommended circuit) perf. criteria b signal port 1kv/2kv (see 2- for recommended circuit) perf. criteria b signal port 2kv/4kv (see 2- for recommended circuit) perf. criteria b signal port 4kv/6kv (see 2- for recommended circuit) perf. criteria b application precautions 1. please read the technical manual carefully before use; contact our technical support if you have any problem. 2. do not use the product in hazardous areas. 3. use dc power supply for the product and 220v ac power supply is prohibited. 4. do not dismount and assemble the product without permission to avoid failure or malfunction of equipment. after-sales service 1. ex-factory inspection and quality control have been strictly conducted for the product; if there occurs abnormal operation or possibility of failure of internal module, please contact the local representative or our technical support. 2. the warranty period for the product is 3 years as calculated from the date of delivery. if any quality problem occurs under normal use within the warranty period, the product can be repaired or changed for free. applied circuit see application notes for isolated transmitter for details.
industrial bus tdx01d485h series 2015.03.10- a /4 page 3 of 4 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation design reference 1.typical application 0.1uf dc/dc vcc txd con rxd mcu di de re ro rs485een gnd a b vcc +5v 6n137 6n137 6n137 +5v conventional circuit rxd txd gnd vcc a b rgnd 10 9 8 rxd txd 1 2 3 4 mcu v cc 485 bus con con 5 new circuit fig. 1 2.recommended emc circuit gnd + txd l1 rxd con rgn d a b 1 2 3 4 5 10 9 8 tvs1 c1 c2 c3 ? r4 tvs2 r5 tvs3 tvs4 gdt1 r1 c4 vcc c5 c6 a1 b1 r2 r3 gdt2 gdt3 fig. 2 recommended external circuit parameters: model td301d485h/TD501D485H 0.25kv/0.5kv 0.5kv/1kv 1kv/2kv 2kv/4kv 4kv/6kv c1 220uf/10v(electrolytic capacitor) 220uf/10v(electrolytic capacitor) tvs1 smcj5.0a (td301d485h) / smcj6.5a(TD501D485H) c2/c3 1uf/50v 1uf/50v l1 10 h10 h c5/c6 100pf/100v 100pf/100v c4 1nf/2kv 1nf/2kv r1 1m ? 1m ? tvs2/tvs3/tvs4 smbj15ca smbj15ca r4/r5 -- -- 10 ? /2w(wire- wound resistor) 10 ? /2w(wire- wound resistor) 10 ? /2w(wire- wound resistor) r2/r3 10 ? /1w(wire- wound resistor) 10 ? /2w(wire- wound resistor) -- -- -- gdt1/gdt2/gdt3 -- -- g30-a90x s30-a90x s50-a90x notes: 1. gdt1, gdt2 and gdt3 be used instead o f a t hree t erminal gas discharge t ube, gdt4, gdt5 and gdt6 empathy. such as gdt1, gdt2 and gdt3 three two-terminal device available gas discharge tube instead of a three-terminal at " 4kv / 6kv" hierarchy, gdt4, gdt5 and gdt6 empathy, as b3d090l-c. 2. it is not needed t he component w hen parameter w ith t he symbol of "--". 3. for more information please find t he application notes on w ww.mornsun-power.com
industrial bus tdx01d485h series 2015.03.10- a /4 page 4 of 4 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation dimensions and recommended layout ? 0.50[0.020] 4.10[0.161] 17.00[0.669] 15.24[0.600] 10.16[0.400] 20.00[0.787] 4 8 td_d485hrec eivingpin td_d485hbpin rxd b 9 10 td_d485hapin isolationpoweroutputrgnd a rgnd 1 inputpower vcc 2 gnd gnd 3 td_d485hsendpin txd 4 1 2 3 8 9 10 3 8 4 1 2 9 10 ? 1.00[ ? 0.039] pin-out pin function bottomview frontview note: unit:mm[inch] pindiametertolerances:0.10[0.004] generaltolerances:0.25[0.010] designation note:grid2.54*2.54mm 1104003206-b0 5 5 send&receivingcontrolpin con 5 thirdangleprojection 7.00[0.276] 2.54[0.100] notes: 1. packing information please refer to 'product packing information'. packing bag number: 58040012; 2. unless otherwise specified, data in this datas heet should be tested under the conditions of ta=25 , humidity<75% when inputting nominal voltage and outputting rated load; 3. all index testing methods in this datasheet are based on our company?s corporate standards; 4 . the performance indexes o f t he product models listed in t his datasheet are as above, but some indexes of non-standard model products will exceed the above-mentioned requirements, and plea se directly contact our technician for specific information; 5. we can provide product customization service; 6. specifications of t his product are subject t o changes w ithout prior notice. mornsun guangzhou science & technology co., ltd. address: no. 5, kehui st. 1, kehui development center, science ave., guangzhou science city, luogang district, guangzhou, p. r. china tel: 86-20-38601850-8801 fax: 86-20-38601272 e-mail: info@mornsun.cn
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