Siemens PM240-2_EN_rev00-30082019.docx 6-5
6.7 MOUNTING
Power Module Blocksize
The Control Unit (CU310-2 PN) can be mounted onto Power Modules Blocksize of any size and the
communication between the devices is realized via the PM-IF interface.
Mounting
1. Mount the Control Unit on the PM.
2. Press the Control Unit back until it latches into the blue interlocking lug.
The diagrams show the Control Unit mounted on the PM240-2 (frame size FSD), using the CU310-2 PN as
an example.
Figure 15 CU310-2 PN insertion on the PM
PM240-2 with CU310-2 PN fitted
Removal
Figure 16 Removing the CU310-2 PN from the PM240-2
1. Press the blue locking latch downwards (see
arrow).
2. Remove the Control Unit towards the front.
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