Technology functions
3.2 Pulse generators
CPU 1512C-1 PN (6ES7512-1CK01-0AB0)
54 Manual, 12/2017, A5E40898741-AA
Canceling the output sequence
A deactivation of the software enable (SW_ENABLE = 1 → 0) cancels the current output
sequence. The last cycle duration is not completed. STS_ENABLE and the digital output
PWM DQA are immediately reset to 0.
A renewed pulse output is only possible after a restart of the output sequence.
Minimum pulse duration and minimum interpulse period
You assign the minimum pulse duration and the minimum interpulse period with the help of
the parameter "Minimum pulse duration".
● A pulse duration determined by the technology function or PWM channel which is shorter
than the minimum pulse duration will be suppressed.
● A pulse duration determined by the technology function or PWM channel which is longer
than the cycle duration less the minimum interpulse period will be set to the value of the
cycle duration (output switched on permanently).
Cycle duration minus minimum interpulse period
OUTPUT_VALUE (One tenth of a percent on-load factor)
Figure 3-2 Minimum pulse duration and minimum interpulse period
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