Autonics CT4S-2P series, User Manual, Page: 47 / 77

7 Counter Mode
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Input
mode
Counting chart
Up/
Down-C
[
UD-C
]
※
When connecting encoder output A, B phase with counter input, INA, INB, set input
mode [
InM
] as phase different input [
UD-C
] for counter operation.
※
: over min. signal width, : over than 1/2 of min. signal width.
If the signal is smaller than these width, it may cause counting error (±1)
※
The meaning of "H", "L"
Input method
Character
Voltage input
(PNP)
No-voltage input
(NPN)
H 5-30VDC Short
L 0-2VDC Open
※
Min. signal width by counting speed (1cps = 1Hz)
Counting speed Min. signal width
1cps 500ms
30cps 16.7ms
1kcps 0.5ms
5kcps 0.1ms
10kcps 0.05ms