Endress+Hauser Liquiline CM44 series - Module Connections

Wiring Kit CM44x
20 Endress+Hauser
6.1 Module connections
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Fig. 18: Wiring diagram for module 485
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Fig. 17: Wiring diagram for module ETH
LEDs on front of module
LED Name Color Description
RJ45 LNK/ACT GN • Off = Connection is not active
• On = Connection is active
• Flashing = Data transmission
RJ45 10/100 YE • Off = Transmission rate 10 MBit/s
• On = Transmission rate 100 MBit/s
PWR Power GN Supply voltage is applied and module is initialized
BF Bus failure RD Bus failure (does not apply for module ETH)
SF System failure RD System failure
COM Communication YE Modbus message sent or received
T Bus termination YE For module 485 only, not available with ETH
• Off = No termination
• On = Termination is used