Lenze I/O system 1000 System Manual - Manual (Page 210)

Product description
I/O compound modules − counter
Two counters 32 bits, 24 V DC − EPM−S603
3
l
210 EDSIO1000 EN 7.0
Gate function
The counter is controlled via the "internal gate" (I−gate). For this counter, the I−gate is
conform to the software gate (SW gate).
The SW gate is opened and closed via the user program (control word).
ƒ With an edge change 0−1 at the control word bit SW_GATE_SET, the SW gate opens
(counter starts from count value).
ƒ With an edge change 0−1 at the control word bit SW_GATE_RESET, the SW gate
closes (counter stops).
The following states have an impact on the I−gate:
SW gate Response of I−gate
0 0
1 1
Edge change 0−1 1