Mitsubishi Electronics MR-J2M-P8B ユーザーズマニュアル

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12. OPTIONS AND AUXILIARY EQUIPMENT
12.1.3 Maintenance junction card (MR-J2CN3TM)
(1) Usage
The maintenance junction card (MR-J2CN3TM) is designed for use when a personal computer and
analog monitor are used at the same time.
DC24V
A1 A2 A3 A4 B4 B3 B2 B1 B5 B6 A5 A6
LG LG MO1 MO2
CN3A
CN3
CN3B
A
10k
4
MO1
14 MO2
7
MO3
11
LG
SD
A
10k
A
10k
13 MBR
RA
CN3C
8
20
3
SG
EM1
VIN
Plate
Interface unit
Bus cable 
MR-J2HBUS   M
Maintenance junction card (MR-J2CN3TM)
Communication cable
Monitor output
Max.   1mA
Reading in both
directions  
Analog monitor output 1
Analog monitor output 2
(2) Connection diagram
2
20
1
3
4
5
6
7
8
9
10
12
11
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
2
1
3
4
5
6
7
8
9
10
12
11
13
14
15
16
17
18
20
1
3
4
5
10
13
14
15
19
20
B5
B6
A5
A6
A1
A2
A3
A4
B4
B3
B2
B1
19
CN3B
CN3A
CN3C
LG
LG
MO1 
MO2 
TE1
LG
RXD
SG
MO3
VIN
LG
TXD
MBR
MO2
EM1
MO1
Shell
Shell
Shell
Not used.