Delta Electronics CTA4 User Manual

2.2.2 Setting up input mode of the counter
CTA offers 5 counting modes: counting up, counting down, command counting up/down, individual counting
up/down and quadrature input.
The minimum signal width of the counting speed:
Counting up
Prohibit
A
A
0
1
2
3
4
H
L
H
L
0
CP1
CP2
Present
Value
CP1: Counter input CP2: Counter input prohibited
Note: has to be larger than width of min. Input signal
A
Prohibit
A
A
0
1
2
3
4
5
H
L
H
L
0
CP1
CP2
Present
Value
CP1: Counter input prohibited CP2: Counter input
Note: has to be larger than width of min. Input signal
A
Counting down
Prohibit
A
A
n
n-2
n-1
n-4
n-3
H
L
CP1
CP2
Present
Value
0
H
L
CP1: Counter input CP2: Counter input prohibited
Note: has to be larger than width of min. Input signal
A
A
Prohibit
A
n
n-1
n-2
n-3
n-4
n-5
H
L
H
L
CP1
CP2
0
Present
Value
CP1: Counter input prohibited CP2: Counter input
Note: has to be larger than width of min. Input signal
A
Command counting up/down
Counting speed
Minimum signal width
1cps 500ms
30cps 16.7ms
1Kcps 0.5ms
5Kcps 0.1ms
10Kcps 0.05ms

Delta Electronics CTA4 Specifications

General

Brand	Delta Electronics
Model	CTA4
Category	Measuring Instruments
Language	English