Maintenance and service
7.7 Replace modules with the function "Change During Operation"
ET 200M
114 Operating Instructions, 12/2008, EWA-4NEB780600602-08
Remove the front connector encoding device
Prior to installing the new module you must remove the top part of the front connector
encoding on the module. Reason: This part is already available in the wired front connector
(refer to the following figure).
Figure 7-2 Remove the front connector encoding device
Installing a New Module
Proceed as follows to install a new module:
1. Insert the front connector in the module and put it in the operating position.
2. Suspend the new module and push it downwards.
3. Screw the module on securely.
4. Slide the labeling strips of the removed module into the newly installed module.
Response of the ET 200M after module replacement
Table 7- 1 Response of the ET 200M when removing or inserting modules
Removing/
inserting
Actual = set
configuration?
Response of the ET 200M
Removing a
module
– The IM 153-x reports via diagnostics the removal of a module. The diagnostic event
corresponds to the removal interrupt. The IM 153-x also enters the removal of a
module in the module diagnosis.
Yes When inserting a configured module, the IM 153-x deletes the entry in the module
diagnosis, so that the module is not addressed by the IM 153-x. If the ET 200M is in
user data mode, then the IM 153-x reports a diagnostic event in accordance with the
insertion interrupt. The inserted module is configured accordingly and assumed in the
ET 200M. Any parameters for the module transferred from the user must then be
transferred again from the user to the ET 200M.
Inserting a
module
No The IM 153-x ignores the inserted module.
The IM 153-x reports a diagnostic event in accordance with the insertion interrupt.
In the diagnosis the entry remains after the module has been removed.
See also
Identifier-related diagnosis (Page 198)
Interrupts (Page 206)
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