User Manual

9
Smart Infrastructure
A6V11684000_en--_b
2019-10-16
Communication
Modbus RTU communication
Element Specification
Address range 1...247 (255 = Default)
Baud rate 9˙600...57˙600
Format Modbus RTU
Line termination Selectable via DIP switch 9
Hardware RS485
Default configuration 9600E1 (9600 baud rate, 1 stop bit, even parity)
Cable types
Interface Specification
Signal lines
(Inputs/
outputs)
Screw terminals for wire and stranded conductors:
● Wire: 0.5…2.5 mm
2
NOTICE! Use only copper wiring
Cable
bushings
● QBM3700.. screwed connectors
– 2 x cable glands screwed for cable
∅
3…6 mm (wrench size 15 mm)
– 2 x cable glands screwed for cable
∅
5…10 mm (wrench size 20
mm)
Modbus Modbus 2 or 3-wire, twisted, shielded, if >3 m
Wire lengths
Interface Wire lengths
Signal wiring Max. 50 m
Modbus Max. 100 m