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2. Specifications
2.3. Specifications for Interface with External Devices
30
2MLF-HO2A, 2MLF-HD2A High Speed Counter Module User's Guide
R200
Honeywell
May 2010
Pin arrangement
Pin No.
Designations of signals
CH 0 CH 1
34
36
OUT0
Compared output OUT0
37
38
24V
Supply terminal of external
power DC24V
39
40
24G
Internal Circuit
The internal circuit of High Speed counters and external device is described in Table 8.
1.
2MLF-HO2A
Table 8 – Internal Circuit of 2MLF-HO2A
I/O
Classific
ation
Internal circuit
No.
Terminal
Name
Pin No.
Designation
of signals
CH 0
CH1
Input
(1)
A24V
2
18
A-phase pulse
input 24V
(2)
A12V
1
17
A-phase pulse
input 12V
(3)
A5V
4
20
A-phase pulse
input 5V
(4)
A_COM
3
19
A-phase
common
(1)
B24V
6
22
B-phase pulse
input 24V
(2)
B12V
5
21
B-phase pulse
input 12V
(3)
B5V
8
24
B-phase pulse
input 5V
(4)
B_COM
7
23
B-phase
common
(5)
P24V
10
26
Preset input
24V