Mitsubishi Electric MELSERVO-J4 Series Transition Handbook page 311

Part 6: Review on Replacement of MR-J3-_T_(DIO command/ Serial communication operation) with MR-J4-_A_-RJ
(3) Comparison of signals
(a) Servo amplifier
Signal abbreviations in parentheses are for MR-J4-_A_-RJ.
MR-J3-_T_
Connector pin assignment
CN6
1 14
2 15
EMG
RD
DOG ALM
3 16
4 17
LSP
ZP
LSN
DOCOM
5 18
6 19
DICOM OPC
PP NP
7 20
8 21
9 22
10 23
LG
11 24
12 25
LA
LAR
LB LBR
13 26
LZ
LZR
Note 1. In the initial setting, EM2 is assigned to the CN1-42 pin. To configure the same settings as for MR-J3-_T_, select "Forced stop
deceleration function disabled (with EM1 used)". To use EM1, set [Pr. PA04] to "0 _ _ _".
2. Input devices are not assigned to the CN1-10 pin and the CN1-35 pin by default. To assign PP and NP, set [Pr. PD44] and [Pr.
PD46] to "0 0_ _". In addition, supply + of 24 V DC to the CN1-12 pin.
3. To enable the CN1-23 pin, set [Pr. PD24] to "_ _ 2 4".
Abbreviation
Connector pin No.
EMG
CN6-1
(EM2)
CN6-2 DOG
CN6-3 LSP
CN6-4
LSN
CN6-5 DICOM
CN6-6
PP
CN6-7
CN6-8
CN6-9
CN6-10
CN6-11
LA
CN6-12
LB
CN6-13 LZ
CN6-14
RD
CN6-15
ALM
CN6-16
ZP
CN6-17 DOCOM
CN6-18
OPC
CN6-19
NP
CN6-20
CN6-21
CN6-22
CN6-23 LG
CN6-24
LAR
CN6-25 LBR
CN6-26 LZR
6 - 32
MR-J4-_A_-RJ
Connector pin No. Connector pin assignment
CN1-42 (Note1)
CN1-45
CN1-43
CN1-44
CN1-20
CN1-21
CN1-10 (Note 2)
CN1-4
(Note 2)
CN1-6
CN1-8
OPC
CN1-49
CN1-48
CN1-23 (Note 3)
CN1-46
MD0
CN1-47
CN1-12 (Note 2)
ST2
CN1-35 (Note 2)
DICOM
CPO
CN1-3
CN1-28
CN1-30
CN1-34
CN1-5
CN1-7
CN1-9
CN1
1 26
2 27
P15R
VC TLA
3 28
4 29
LG LG
LA
5 30
6 31
LAR LG
LB
7 32
8 33
LBR
LZ OP
9 34
10 35
LZR LG
(Note 2)
11 36
12 37
PG NG
13 38
14 39
15 40
16 41
SON
DI1
17 42
18 43
ST1 EM2
LSP
19 44
20 45
DI0 LSN
DOG
21 46
22 47
DICOM DOCOM
23 48
DOCOM
24 49
ZP ALM
INP RD
25 50
MEND