Siemens SIMATIC ET 200S Operating Instructions Manual page 273

Pulse Diagram
Figure 5-9 Output Sequence of the Pulse Train
Interrupting output sequence
Deleting the software enable during the on-delay or the pulse train terminates the output
sequence, and STS_ENABLE and the DO digital output are deleted.
You will then have to restart the output sequence.
Truth Table
SoftwareEnable DI digital input
SW_ENABLE
1 0→1
0→1 Not used
0 Any status
1 0
1 1
1 Not used
0→1 0
0→1: Positive edge
Technological Functions
Operating Instructions, 02/2007, A5E00124867-05
DO Digital Output
0, if on-delay >0
1, if on-delay =0
0, if on-delay >0
1, if on-delay =0
0
Previous status remains
Previous status remains
Previous status remains
0
5.3 Modes and Functions
STS_ENABLE Output
Sequence
0→1 Start
0→1 Start
0 Terminate
-
-
-
0 -
2PULSE
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