Input Modes And Present Value - Omron H7BX Datasheet

■ Input Modes and Present Value

UP (Increment) Mode
CP1: Count input; CP2: Prohibit input
H
CP1
L
H
CP2
L
Present
value
2
1
0
0
A must be greater than the minimum signal width. (See note 2.)
CP1: Prohibit input; CP2: Count input
H
CP1
L
(See note 3.)
H
CP2
L
Present
value
1
0
0
A
must be greater than the minimum signal width. (See note 2.)
UP/DOWN A: Command Input Mode
H
CP1
L
H
CP2
L
Present
2
value
1
0
0
A must be greater than the minimum signal width. (See note 2.)
UP/DOWN C: Quadrature Input Mode
H
CP1
L
B B B B
H
CP2
L
Present
2
value
1
0
0
B
must be at least 1/2 the minimum signal width. (See note 2.)
(See note 1.)
A A
Prohibit
5
4
3
A A
Prohibit
4
3
2
A A
3 3
2
2
1
3 3
2
2
1
CP1: Count input; CP2: Prohibit input
H
CP1
L
H
CP2
L
n
n 1
Present
value
0
A must be greater than the minimum signal width. (See note 2.)
CP1: Prohibit input; CP2: Present value
H
CP1
L
(See note 3.)
H
CP2
L
n
5
Present
value
0
A
must be greater than the minimum signal width. (See note 2.)
UP/DOWN B: Individual Input Mode
H
CP1
L
H
CP2
L
Present
value
1
0
0
Note 1. If the configuration is set to dual counter, CP1 and CP2 inputs will operate
in the same way as the count input (CP1) of UP (increment) mode.
A
2. must be greater than the minimum signal width and
least 1/2 the minimum signal width. If they are less, a count error of 1
may occur.
Minimum signal width: 16.7 ms (when maximum counting speed = 30 Hz)
100 s (when maximum counting speed = 5 kHz)
3. The meaning of the H and L symbols in the tables is explained below.
Input method
Symbol
H
L
Multifunction Counter
DOWN (Decrement) Mode
A
Prohibit
n 2
n 3
A A
Prohibit
n 1
n 2
3
2
2
1 1
No-voltage input
(NPN input)
Short-circuit
Open
H7BX
A
n 4
n 5
n 3
n 4
n 5
3
2
B must be at
Voltage input
(PNP input)
4.5 to 30 VDC
0 to 2 VDC
13