Title: +038=360.000-OU045T_03-PCD2.m4160 PLS SBC - Hardware Manual.pdf
To guarantee error-free operation of an RS485 network, the network should be terminated at both ends. Cable and line termination resistors should be selected in accordance with manual 26/740 "Installation components for RS485 networks".Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 09│2012-01-25A-3Saia-Burgess Controls Ltd.AnnexDefinitions of serial interfacesA.2.3 TTY/current loopSignals to TTY/current loopTerminal 1TSTransmitter SourceTerminal 3Terminal 6TATCTransmitter AnodeTransmitter CathodeSenderTerminal 8TGTransmitter GroundTerminal 2RSReceiver SourceTerminal 4Terminal 7RARCReceiver AnodeReceiver CathodeRecipientTerminal 9RGReceiver GroundSignal type Power for logic L (space)Set-point -20 mA to + 2 mANominal value 0 mAPower for logic H (mark)+12 mA to +24 mA+20 mANeutral voltage to TS, RS+16 V to +24 V+24 VShort circuit power on TS, RS+18 mA to +29.6 mA+23.2 mA