Endress+Hauser Liquiline CM44P - Hardware Settings

Liquiline CM44P Electrical connection
Endress+Hauser 47
6.5.3 Bus termination
There are 2 ways to terminate the bus:
1. Internal termination (via DIP switch on module board)
"ON"
"OFF"
 73 DIP switch for internal termination
‣
Using a suitable tool such as a tweezer, move all four DIP switches to the "ON" position.
 The internal termination is used.
390 W
220 W
390 W
VP
DGND
B/B' A/A'
 74 Structure of internal termination
2. External termination
Leave the DIP switches on the module board in the "OFF" position (factory setting).
‣
Connect the external termination to terminals 81 and 82 on the front of module 485
for 5‐V power supply.
 The external termination is used.
6.6 Hardware settings
Setting the bus address
1. Open the housing.
2. Set the desired bus address via the DIP switches of module 485.
For PROFIBUS DP, valid bus addresses are anything between 1 and 126, and anything
between 1 and 247 for Modbus. If you configure an invalid address, software
addressing is automatically enabled via the local configuration or via the fieldbus.