:info:To activate the internal termination resistance see paragraph Setup of USER PORT electric standard, Setup of AUX1 PORT electric standard or Setup of AUX2 PORT polarization and termination resistances

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Communication speed4800 baud (only if used with SERCOM and/or MODBUS device),
9600 baud, 19200 baud, 38400 baud, 57600 baud
Communication modeHalf duplex
Operating modeDifferential
Max. number of devices connected on the line32
Max. cable length1200 m
Input impedence> 12 Kohm
Short-circuit current limit35 mA

Internal wiring diagram of RS485

Cable connection diagram of RS485