Omron CPM2B User Manual
2-1
Section
Specifications
26
2. Installation orientation: Vertical with end down
Input voltage
26.4 V DC
26.4 V DC
Input voltage
24 V DC
24 V DC
Max. number of inputs ON
at the same time
16
14
Max. number of inputs ON
at the same time
16
14
0
10
20
30
40
50 55
49
(
°
C)
0
10
20
30
40
50 55
49
(
°
C)
3. Installation orientation: Horizontal
Input voltage
26.4 V DC
26.4 V DC
Max. number of inputs ON
at the same time
16
13
0
10
20
30
40
50 55
45
(
°
C)
Input voltage
24 V DC
24 V DC
Max. number of inputs ON
at the same time
16
13
0
10
20
30
40
50 55
45
(
°
C)
Inputs IN00000 through IN00002 can be used as high-speed counter inputs, as
shown in the following table. The maximum count frequency is 5 kHz in differen-
tial phase mode and 20 kHz in the other modes.
shown in the following table. The maximum count frequency is 5 kHz in differen-
tial phase mode and 20 kHz in the other modes.
Input
Function
Differential phase mode
Pulse plus direction
input mode
Up/down input mode
Increment mode
IN00000
A-phase pulse input
Pulse input
Increment pulse input
Increment pulse input
IN00001
B-phase pulse input
Direction input
Decrement pulse input
Normal input
IN00002
Z-phase pulse input or hardware reset input
(IN00002 can be used as a normal input when it is not used as a high-speed counter input.)
(IN00002 can be used as a normal input when it is not used as a high-speed counter input.)
The minimum pulse widths for inputs IN00000 (A-phase input) and IN00001 (B-
phase input) are as follows:
phase input) are as follows:
100
µ
s min.
T
1
T
2
T
3
T
4
: 12.5
µ
s min.
Phase A
Phase B
50
µ
s min.
12.5
µ
s
min.
Pulse plus direction input mode, Up/down input
mode, Increment mode
mode, Increment mode
Differential phase mode
12.5
µ
s
min.
T
1
T
2
T
3
T
4
The minimum pulse width for input IN00002 (Z-phase input) is as follows:
50
µ
s min.
500
µ
s
min.
Phase Z
High-speed Counter
Inputs
Inputs