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Siemens Automation System S7-400 User Manual

Page 147

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Commissioning

6-19

Automation System S7-400 Hardware and Installation

A5E00850741-01

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.

Guide

rails

Figure 6-4

Inserting Interface Submodules in the CPU

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.