Pulse Input Port (Cqm1-Cpu43-Ev1) - Omron CQM1 Operation Manual

Unit Specifications

2-6-3 Pulse Input Port (CQM1-CPU43-EV1)

Item
Name
Pulse input p Signals
Input voltage
Input current
ON voltage
OFF voltage
Computation speed
Minimum response pulse
42
[Pulse I/O] CQM1-CPU43-EV1 (Built-in pulse function type)
Encoder inputs A, B; pulse input Z
12 VDC ± 10%
A, B: 5 mA, TYP
Z: 12 mA, TYP
10.2 VDC min.
3.0 VDC max.
Single-phase: 50 kHz, two-phase: 25 kHz
Encoder input A, B:
Encoder input A, B waveform
Input rising/falling time: 3 µs max.
50-kHz duty ratio: 50% pulse
20 ms min.
10 µs min. 10 µs min.
ON
50%
OFF
3 µs max. 3 µs max.
Relation between phases A and B when phase-difference inputs are used.
20 ms min.
ON
Phase A 50%
OFF
ON
Phase B 50%
OFF
T T
1
A minimum of 4.5 µs must be allowed for changing between phase A and
phase B.
Specifications
24 VDC ± 10%
20.4 VDC min.
4.0 VDC max.
ON
50%
OFF
T T
2 3 4
T , T , T , T
1 2 3 4
Section 2-6
Pulse input Z:
A minimum pulse
width of 0.1 ms
is required.
0.1 ms min.
: 4.5 µs max.