Compatibility Between the IM 153-x Modules
9-3
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
Response to the Removal/Insertion Interrupt
Up to
153-1AA03, version 01
As of
153-1AA03, version 02
The ET 200M is set up on active bus modules. The
removal/insertion interrupt is disabled at parameter
assignment.
The removal or insertion of a module results in
station failure.
The ET 200M is set up on active bus modules. The
removal/insertion interrupt is disabled at parameter
assignment.
It is still, however, possible to remove and insert
modules. An interrupt is not reported, but the
events are displayed in the diagnosis.
Startup Characteristics When Response Monitoring is Switched Off
The IM 153-1 as of 6ES7 153-1AA02-0XB0, version 05 performs differently when
the DP standard master is restarted with response monitoring switched off:
When response monitoring is switched off, the outputs of the ET 200M keep their
set values when the DP master fails.
When the DP master is restarted without resetting the DP slave these initial
values remain valid until new output data is received from the DP master.
If the DP slave is not reset, it is not enabled for other DP masters. Bit 6 of ”Octet 1:
Station_status, Unlock_Req” has the value ”0” in the parameter assignment frame
(for example, in the DP master of the
SIMATIC 505).
In the case of previous versions: When the DP master is restarted, the outputs
of the ET 200M are briefly set to ”0”, until they are reset by the DP master.
When response monitoring is switched on, the IM 153-1AA02 as of E05
behaves like the previous versions.
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