Force Function - Siemens SIMATIC S5 ET 200U Manual

ET 200U(DP Standard): AddressAssignm.,Starting–Up, DiagnosingFaultsUsing COM ET 200
FORCE with Load
You can execute the FORCE function with the load circuit turned on or off as
Circuit follows:
FORCE with load circuit turned off :You can observe the effect of the
forced outputs for digital modules by checking the output LEDs.
FORCE with load circuit turned on :You can observe the effect of the
forced outputs directly at the I/Os.
! Caution
Setting outputs when the load circuit is turned on can result in dangerous
system states.
Set or reset outputs only under the circumstances listed in the following ta-
ble!
Table 5-9 Resetting Outputs with Load Circuit Turned On
Version/ Outputs are Reset ...
Revision Level
IM 308–B (as
When you call up the "MODULE
from version 5)
SELECTION" screen.
When you reset the outputs in the
"MODULE SELECTION" screen.
When you exit from the "MODULE
SELECTION" screen with <F8>
(EXIT).
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
Outputs are not Reset ...
When you power up the IM 308–B
master interface module (STOP to
RUN transition)
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