Omron H7CX Series Manual page 15

H7CX (Counter Function)
Input Modes and Present Value
UP (Increment) Mode
CP1: Count input; CP2: Prohibit (gate) input
H
CP1
L
A
Prohibit
H
CP2
L
Present
value
3
2
1
0
0
Note: Input CP2 while CP1 is "L."
than the minimum signal width. (See note 2.)
CP1: Prohibit (gate) input; CP2: Count input
H
CP1
L
A
Prohibit
H
CP2
L
Present
value
2
1
0
0
Note: Input CP1 while CP2 is "H."
than the minimum signal width. (See note 2.)
UP/DOWN A
Command Input Mode
H
CP1
L
A
H
CP2
L
3
Present
2
2
value
1
0
0
0
must be greater than the minimum signal width. (See note 2.)
UP/DOWN B
Individual Input Mode
H
CP1
L
H
CP2
L
3
Present
2 2
value
1
0
0
UP/DOWN C
Quadrature Input Mode
H
CP1
L
B B B B
H
CP2
L
3
Present
2
2
value
1
1
0
0
must be at least 1/2 the minimum signal width. (See note 2.)
18
A
5
4
0
must be greater
A
5
4
3
0
must be greater
A
3
2
1
3
2
1 1
3
2
1
H7CX (Counter Function)
DOWN (Decrement) Mode
CP1: Count input; CP2: Prohibit (gate) input
H
CP1
L
A
Prohibit
H
CP2
L
n
n−1
n−2
n−3
Present
value
0
Note: Input CP2 while CP1 is "L."
the minimum signal width. (See note 2.)
CP1: Prohibit (gate) input; CP2: Present value
H
CP1
L
A
Prohibit
H
CP2
L
n
n−1
n−2
Present
value
0
Note: Input CP1 while CP2 is "H."
than the minimum signal width. (See note 2.)
Note: 1. If the configuration selection is set to dual counter, re-
gardless of the input mode setting, CP1 and CP2 input
will operate in the same way as the count input (CP1)
of UP (increment) mode.
0
1
2. must be greater than the minimum signal width and
must be at least 1/2 the minimum signal width. If
they are less, a count error of
Minimum signal width: 16.7 ms (when maximum
3. The meaning of the H and L symbols in the tables is ex-
plained below.
Input method No-voltage input
Symbol
H Short-circuit
L Open
A
n−4
n−5
0
must be greater than
A
n−3
n−4
n−5
0
must be greater
–
1 may occur.
counting speed = 30 Hz)
m
100 s (when maximum
counting speed = 5 kHz)
Voltage input
(NPN input) (PNP input)
4.5 to 30 VDC
0 to 2 VDC