Specifications

Parameters/address space
4.2 Address space
DI 32x24VDC HF digital input module (6ES7521-1BL00-0AB0)
Manual, 04/2015, A5E03485935-AE
35
Gate control
The opening and closing of the software gate (SW-GATE) defines the time window in which
the count signals are acquired. The software gate is controlled by the user program.
Reference
You can find additional information on the counting functionality in the function manual
S7-1500, ET 200MP, ET 200SP counting, measuring and position detection
(http://support.automation.siemens.com/WW/view/en/59709820).