WAGO-I/O-SYSTEM 750 Device Description 25750-652 Serial Interface RS-232 / RS-485ManualVersion 1.4.03.6 Technical Data3.6.1 Device DataTable 9: Technical Data ‒ Device DataWidth 12 mmHeight (from upper edge of DIN 35 rail) 64 mmLength 100 mmWeight approx. 50 gDegree of protection IP203.6.2 SupplyTable 10: Technical Data ‒ SupplyPower supply via system voltage internal bus (5 VDC)Current consumption (internal) max. 85 mACurrent via power jumper contacts max. 10 AIsolation (peak value) 500 V system/supply3.6.3 CommunicationTable 11: Technical Data ‒ CommunicationTransmissionchannels1 TxD/1 RxD, full-duplex, half-duplex,7 or 8 bit data,1 or 2 stop bitsMode(configurable)• RS-232• RS-485 half-duplex *)• RS-422 full-duplex• Data exchange RS-422 1)• DMX half-duplex/250k1)Data flow control RTS/CTS2) depending on mode, XON/XOFF3)Baud rate 300 ... 115200 baudData width, internal 8, 24*) or 48 bytes (configurable)Line length RS-485/RS-422: max. approx. 1000 m4)RS-232: max. 40 mData exchange mode/DMX: max. 100 m twisted pair cableBuffer 2560 bytes for receive / 512 bytes for send 5)*) Default setting1) Possible with firmware version 03 or higher2) Activation of flow control RTS/CTS is only possible for RS-232 modeFlow control RTS/CTS with lead/follow-on time possible with firmware version 03 or higher3) Activation of flow control XON/XOFF is only possible for the RS-232 and RS-422 full-duplexmode4) Depending on baud rate, bus system and cable type (use of a twisted-pair cable is recommended)5) RS-232, RS-485 half-duplex, RS-422 full-duplex modes