Replacing The Power Output Module (Pom) - Siemens SIPLUS HCS Series Operating Instructions Manual

Servicing and maintenance

12.5 Replacing the Power Output Module (POM)

12.5 Replacing the Power Output Module (POM)
Requirements
● The busbar system or the mains supply is disconnected at the mounting location of the
device and secured against reconnection.
● Disconnect the 24 V DC voltage supply and secure it against reconnection.
Tool
● 4 mm screwdriver
● Open-ended, ring or socket spanner size 10 for the nuts of the ground screw
Preparations
1. Remove all connectors from the POM.
2. Disconnect the ground connection for the device at the front screw terminal.
Removing the POM (power bus mounting)
Figure 12-4 Removing the POM
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SIPLUS HCS4300 PROFINET/PROFIBUS DP
Operating Instructions, 10/2019, A5E35452705A/005