www.advantech.com/products online download features eki-1221 EKI-1222 provides 2 x 10/100 mbps ethernet ports for lan redundancy integration of modbus tcp and modbus rtu/ascii networks supports baud rates up to 921.6 kbps supports up to 16 connections and 32 requests simultaneously supports 31 slaves per serial port easy-managing advantech serial device server confguration utility for windows 2000/xp/vista (x86) auto searching slave id over confguration utility software selectable rs-232/422/485 communication mounts on din-rail, wall or panel built-in 15 kv esd protection for all serial signals automatic rs-485 data fow control ? ? ? ? ? ? ? ? ? ? ? specifcations ethernet communications compatibility ieee 802.3, ieee 802.3u speed 10/100 mbps no. of ports 2 port connector 8-pin rj45 protection built-in 1.5 kv magnetic isolation serial communications port type rs-232/422/485, software selectable no. of ports eki-1221: 1 EKI-1222: 2 port connector db9 male data bits 7, 8 stop bits 1, 2 parity none, odd, even, space, mark flow control xon/xoff, rts/cts, dtr/dsr baud rate 50 bps ~ 921.6 kbps serial signals rs-232: txd, rxd, cts, rts, dtr, dsr, dcd, ri, gnd rs-422: txd+, txd-, rxd+, rxd-, gnd rs-485: data+, data-, gnd protection 15 kv esd for all signals software os support windows 2000/xp/vista (x86) utility software advantech serial device server confguration utility operation modes modbus rtu master/slave mode modbus ascii master/slave mode general led indicators system: power, system status lan: speed, link/active serial: tx, rx reboot trigger built-in wdt (watchdog timer) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? mechanics dimensions (w x h x d) 37 x 140 x 95 mm enclosure metal with solid mounting hardware mounting din-rail, panel mount weight eki-1221: 592g EKI-1222: 600g power requirements power input 12 ~ 48 v dc , redundant dual inputs power connector terminal block power consumption eki-1221: 2 w EKI-1222: 2.5 w environment operating temperature 0 ~ 60 c (32 ~ 140 f) storage temperature -20 ~ 80 c (-4 ~ 176 f) operating humidity 5 ~ 95% rh regulatory approvals emc ce, fcc part 15 subpart b (class a) safety ul (ul60950-1) hazardous location ul/cul class i, division 2 ordering information eki-1221 1-port modbus gateway EKI-1222 2-port modbus gateway ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? introduction the eki-1200 series modbus gateways are bi-directional gateways for integrating new and existing modbus/rtu and modbus/ascii serial devices to newer tcp/ip networked-based devices. the eki-1221 and EKI-1222 feature two independent ethernet ports and mac addresses to provide a redundant networking mechanism to guarantee ethernet networking reliability. they provide a simple and cost-effective way to bring the advantage of remote management and data accessibility to thousand of devices that can not connect to a network. the eki-1221 and EKI-1222 provide a feature that can allow users to select master or slave operation mode for each serial port. they not only allow an ethernet master to control serial slaves, but also allow serial masters to control ethernet slaves. 1-port modbus gateway 2-port modbus gateway eki-1221 EKI-1222 new rohs compliant 2002/95/ec
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