IBCcontrol VariMax50M, Manual

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TECHNICAL DATA, MODBUS
Communication
protocol
MODBUS RTU
Interface RS485, half-duplex
Data rate 9 600, 19 200, 38 400, 56 000 bits per second
Bit format 8 databits, 1 stop bit, even parity
8 databits, 1 stop bit, no parity
8 databits, 2 stop bits, no parity
8 databits, 1 stop bit, odd parity
Address
8 unique addresses, refer to the table "Addressing" page 18
Termination Optional embedded terminal resistance 120 Ω
Inputs 3-pole terminal block marked A (D+), B (D-), C=common
CONNECTION
A D+, positive data channel
B D-, negative data channel
C Common, signal earth
B C A
Modbus
D+ D- Com
15