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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 12-6
SIPLUS HCS4300 PROFINET/PROFIBUS DP
Operating Instructions, 10/2019, A5E35452705A/005
Removing the PM
Servicing and maintenance
12.7 Replacing an I/O module
161
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