Siemens SIMATIC ET 200M Manual page 161

Maintenance
Removing the Front Connector Coding Key
Prior to installing the new module, you must remove the front connector coding key
from the new module. Reason: This part is already in the wired front connector
(see Figure 7-17-9).
Installing a New Module
Table 7-5 Installing new modules
Step
1. Insert the front connector into the module and bring it into its operating
position.
2. Hook the new module onto the rail and swing it down into place.
3. Screw the module on securely.
4. Push the labeling strip of the old module into place on the new module.
Response of the ET 200M During Module Replacement
Table 7-6 Response of the ET 200M when modules are removed or inserted
Remove/In Actual =
sert Desired
configuration
?
Removing a –
module
Inserting a Yes
module
No
7-12
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Installing a Module
Response of the ET 200M
The IM 153-x reports the removal of a module via the diagnosis. The
diagnostic event corresponds to the module removal interrupt (see
Section 6.4.9). The IM 153-x also enters the removal of the module in the
module diagnosis (see Section 6.4.5).
When a configured module is inserted, the IM 153-x deletes the entry in
the module diagnosis to the effect that the module is no longer addressed
by the IM 153-x. If the ET 200M is in user data mode, the IM 153-x
reports a diagnostic event that corresponds to the module insertion
interrupt (see Section 6.4.9). The inserted module is parameterized in
accordance with the last parameter assignment and is accepted in the
ET 200M.
The IM 153-x ignores the inserted module.
The IM 153-x reports a diagnostic event corresponding to the module
insertion interrupt (see Section 6.4.9).
The entry concerning the removal of the module remains in the module
diagnosis.
Distributed I/O Device ET 200M
EWA-4NEB780600602-06