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