Digital inputs
3 optional digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20Hz
Input signal present 18V .. 28V DC (typical 4mA)
Input signal not present 0 .. 5V DC, current less than 0.5mA
Digital outputs
2 and 3 optional digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage max. 33V AC, 60V DC
Switching current max. 50mAeff AC/DC
Response time 10/12 periods + 10ms *
Pulse output (energy pulse) max. 50Hz
* Response time e.g. at 50Hz: 200ms + 10ms = 210 ms