Separating The Control Unit From The Computer Unit - Siemens SIMATIC IPC677D Operating Instructions Manual

7.5

Separating the control unit from the computer unit

Introduction
You separate the control unit from the computer unit in the removed state to carry out repairs
or to replace the control unit, for example.
Requirement
● The device is disconnected from the mains.
● The device is fully removed.
● The device is lying on a soft cloth with the front side down.
Procedure
1.
2.
3.
4.
5.
6.
SIMATIC IPC677D
Operating Instructions, 09/2014, A5E32995420-AC
①
Loosen the 4 screws
what, but do not remove them.
Loosen the captive knurled
②
screw and remove the metal
③
door from the slots .
④
Pry out the connector
a screwdriver.
Push the computer unit back
⑤
slightly until the screw
exactly in its recess.
④
Pull the connector fully out.
Lift up the computer unit and
gently place it on a soft surface.
7.5 Separating the control unit from the computer unit
some-
using
lies
Maintaining and servicing your device
89