Electrical connection
Liquiline System CA80COD
34
Hauser
5.3
Hardware settings
5.3.1
Bus termination (module 485 only)
There are two ways to terminate the bus:
1. Internal terminating resistor
(via DIP switch on the module board)
"ON"
"OFF"
34
DIP switches for internal terminating resistor
‣
Using a suitable tool, such as a tweezers, set all 4 DIP switches to the "ON" position.
The internal terminating resistor is used.
390
W
220
W
390
W
VP
DGND
B/B'
A/A'
35
Structure of the internal terminating resistor
2. External terminating resistor
Here, leave the DIP switches on the module board in the "OFF" position (factory setting).
‣
Connect the resistor to terminals 81 and 82 on the front of module 485 for 5
‐
V power
supply.
The external terminating resistor is used.
5.3.2
Bus address
Setting the bus address
1. Open the housing.
Summary of Contents for CA80COD
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