Siemens SIMATIC ET 200S Operating Instructions Manual page 279

Pulse Diagram
Figure 5-11
Canceling the Output Sequence
Canceling the software enable (SW_ENABLE 0 = 1) during the output sequence causes the
output sequence to be canceled, along with STS_ENABLE and the digital output.
Truth Table
Software enable Digital input DI
SW_ENABLE
1 0→1
1 1→0
0 Any status
1 0
1 1
0→1 0
0→1: Positive edge
1→ 0: Negative edge
Technological Functions
Operating Instructions, 02/2007, A5E00124867-05
On/Off-Delay Output Sequence
Digital output DO
0, if on-delay >0
1, if on-delay =0
1, if off-delay >0
0, if off-delay =0
0
Previous status remains
Previous status remains
0
5.3 Modes and Functions
STS_ENABLE Output
sequence
1 Start
1 Start
0 Cancel
1 -
1 -
1 -
2PULSE
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