6. Function blocks
6.1 Manufacturer function blocks
Other
Retention
The function block does not recognize retentive data.
Sample project configuration
PD=40000 ms; ME=300 ms
Value SV Period duration
PD [ms]

Duty factor
Pulse width
PW [ms]

Off duration
[ms]
0
40000  0  0
5
40000  0 (ME)  40000 (ME)
35
40000  342  39648
1000
40000  9768  30232
1400
40000  13675  27325
2048
40000  20005  19995
3218
40000  31433  8567
3768
40000  36805  3195
4093
40000  40000 (ME)  0 (ME)
1) For devices with transistor outputs
Tab. 85: Effect of various SV values on pulse width for a specific period duration

PW = [SV/4095] ∙ PD

PW = Pulse width (duty factor)
SV = Manipulated variable value
PD = Period duration
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