LPGmass Modbus RS485
Electrical connection
Hauser
27
7. Enable the terminating resistor if applicable → 28.
8.
L
WARNING
Housing degree of protection may be voided due to insufficient sealing of the
housing.
‣
Screw in the screw without using any lubricant. The threads on the cover are
coated with a dry lubricant.
Reverse the removal procedure to reassemble the transmitter.
7.2.2
Connecting the Safety Barrier Promass 100
In the case of the device version with Modbus RS485 intrinsically safe, the transmitter
must be connected to the Safety Barrier Promass 100.
1. Strip the cable ends. In the case of stranded cables, also fit ferrules.
2. Connect the cable in accordance with the terminal assignment → 24.
3. Where applicable, enable the terminating resistor in the Safety Barrier Promass 100
2
1
A
B
3
A
B
L+
L-
L- L+
A
B
5
6
7
4
8
A
B
L+
L-
A0028766
10
Electrical connection between the transmitter and Safety Barrier Promass 100
1
Control system (e.g. PLC)
2
Observe cable specifications → 22
3
Safety Barrier Promass 100: terminal assignment → 25
4
Observe cable specifications → 22
5
Non-hazardous area
6
Non-hazardous area and Zone 2/Div. 2
7
Intrinsically safe area
8
Transmitter: terminal assignment → 24
7.2.3
Ensure potential equalization
Requirements
No special measures for potential equalization are required.
For devices intended for use in hazardous locations, please observe the guidelines in
the Ex documentation (XA).
