Maintenance and service
7.7 Replace modules with the function "Change During Operation"
ET 200M
Operating Instructions, 12/2008, EWA-4NEB780600602-08
113
7.7
Replace modules with the function "Change During Operation"
Requirements
You can replace the modules while operating the ET 200M if the ET 200M
●
on the rail with active bus modules for the function "Module Change During Operation"
●
and the ET 200M is configured for "Module Change During Operation".
WARNING
Inserting output modules can lead to uncontrolled system states!
This also applies if you insert input / output modules tilted on the bus module.
When inserting an output module, the outputs set by the user program become active
immediately!
We therefore advise you to set the outputs to "0" in the user program when removing
the output module.
If modules are not removed and inserted properly, neighboring modules via the
backplane bus can fail.
Removing a Module
When removing modules with "Module Change During Operation" proceed as follows:
1.
Release the fixing screw(s) on the module.
2.
Swing the module out.
3.
Open the front door.
4.
Unlock the front connector and remove it.
–
With 20-pin front connector: To do this, use one hand to press the unlocking button
down (4) and use your other hand to remove the front connector via the gripping
surface (4a).
–
With 40-pin front connector: Release the fixing screw in the centre of the front
connector. Use the gripping surface to pull out the front connector.
5.
Pull the labeling strips out of the module.
(7
D
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Страница 254: ...Order Numbers for the ET 200M ET 200M 252 Operating Instructions 12 2008 EWA 4NEB780600602 08 ...
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