Inserting Interface Submodules In The Cpu - Siemens SIMATIC S7-400 Installation Manual

3. Slowly push the interface submodule into the slot until the front plate rests on
the frame of the card slot.
4. Important! Secure the front plate with the two fitted, captive M2.5 x 10 slot-head
screws on the left frame of the card slot.
Figure 6-4
Covering Unused Submodule Slots
On delivery, all the submodule slots are secured with a submodule cover. The
cover is attached to the frame of the card slot with screws.
Leave unused submodule slots secured.
Automation System S7-400 Hardware and Installation
A5E00850741-01

Inserting Interface Submodules in the CPU

Commissioning
Guide
rails
6-19