Replacing An I/O Module - Siemens SIPLUS HCS Series Operating Instructions Manual

Service and maintenance

12.7 Replacing an I/O module

12.7 Replacing an I/O module
Requirement
● The AC power supply must be disconnected from the supply at the mounting location of
the device and secured against switching on again.
● The 24 V DC supply voltage must be disconnected.
Preparations
Remove all connectors from the PM before dismantling the I/O module.
Note
To unlock the connectors, press down the two levers on the sides of the plug connectors.
Tool
You will need a Torx T8 screwdriver.
Removing the I/O module
Figure 12-9
1. Undo the two fixing screws ① on the PM
2. Release the PM using the ejector lever
3. Place board on an ESD-compatible surface
202
Removing the PM
②
and pull PM out
SIPLUS HCS4200 PROFINET/PROFIBUS DP
Operating Instructions, 07/2019, A5E35066204A/006