Siemens SIMATIC ET 200S Operating Instructions Manual page 274

2PULSE
5.4 Modes and Functions
Pulse Diagram
Figure 5-4
Canceling the Output Sequence
Deleting the software enable (SW_ENABLE = 0) during the on-delay or the pulse output
cancels the output sequence, and STS_ENABLE and the DO digital output are canceled.
You will then have to restart the output sequence.
Truth Table
Software enable Hardware enable
SW_ENABLE (digital input DI)
1 0 → 1
0 → 1 Not used
0 Any status
1 Any status
0 → 1 0
274
Output Sequence for Pulse Output
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
0
STS_ENABLE
0 → 1
0 → 1
0
0
Technological Functions
Operating Instructions, 06/2010, A5E00124867-07
Output
Sequence
Start
Start
Terminate
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-