CNGmass
Electrical connection
Hauser
23
2
1
A
B
A
B
3
L+
L-
A
B
L+
L-
L- L+
A
B
5
6
7
8
4
A0016804
8
Electrical connection between the transmitter and Safety Barrier Promass 100
1
Control system (e.g. PLC)
2
Observe cable specification
3
Safety Barrier Promass 100: terminal assignment → 20
4
Observe cable specification → 17
5
Non-hazardous area
6
Non-hazardous area and Zone 2/Div. 2
7
Intrinsically safe area
8
Transmitter: terminal assignment
7.3
Hardware settings
7.3.1
Enabling the terminating resistor
Modbus RS485
To avoid incorrect communication transmission caused by impedance mismatch, terminate
the Modbus RS485 cable correctly at the start and end of the bus segment.
