USER MANUAL 1.2 | B-FORTIS CC-SLIM SERIES
Berghof Automation GmbH | Arbachtalstrasse 26 | 72800 Eningen | Germany | www.berghof-automation.com
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Examples for counters: capture input or Z input
Fig. 10: Counter with capture input
Pin
Designation
Pin
Designation
C1
Up, A (CNT0)
C3
–
C2
Down, B (CNT0)
C4
Capture (rise), Z (CNT0)
Counter CNT1 is not available in this configuration.
Data from the counter inputs
Counter inputs
Function
Value
Description
Number of counters
2
–
Signal voltage
(1): DC 15-28 V
(0): DC -3-3 V
Pulse width at the valid level for at least 1 µs
Max. frequency:
signal
counter
500 kHz
1 counts/s
For 100 kHz see specific installation infor-
mation. At the maximum counter frequency,
the signal transmitter must ensure an edge
steepness of at least 20 V/µs.
Min. pulse width
1 µs
Per level
Counter resolution
32 bit
–
Internal pull-up
3 kΩ
–
Installation information
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The counter inputs must be connected with shielded cables.
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Supply voltage (24 V DC; GND) and the signals of the transmitters must go through the same
cable.
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The PLC and the transmitter must use the same power supply.