Mitsubishi Electric MELSERVO-J2S Series Transition Handbook page 225

Part 6: Review on Replacement of MR-J2M with MR-J4
(3) Comparison of signals
MR-J2M-A
Connector pin assignment
Signal
symbol
Connector pin No.
CN1A-50
CN1A-46
CN1A-21
LG
CN1B-50
CN1B-46
CN1B-21
CN1A-20 (Slot 1)
CN1A-18 (Slot 2)
CN1A-16 (Slot 3)
CN1A-14 (Slot 4)
NP
CN1B-20 (Slot 5)
CN1B-18 (Slot 6)
CN1B-16 (Slot 7)
CN1B-14 (Slot 8)
CN1A-19 (Slot 1)
CN1A-17 (Slot 2)
CN1A-15 (Slot 3)
CN1A-13 (Slot 4)
PP
CN1B-19 (Slot 5)
CN1B-17 (Slot 6)
CN1B-15 (Slot 7)
CN1B-13 (Slot 8)
CN1A-12 (Slot 1)
CN1A-34 (Slot 2)
CN1A-7 (Slot 3)
CN1A-29 (Slot 4)
CR
CN1B-12 (Slot 5)
CN1B-34 (Slot 6)
CN1B-7 (Slot 7)
CN1B-29 (Slot 8)
VIN
CN1A-26
CN1B-26
(DICOM)
SG
CN1A-1
CN1B-1
(DOCOM)
CN1A-45 (Slot 1)
CN1A-43 (Slot 2)
CN1A-41 (Slot 3)
CN1A-39 (Slot 4)
NG
CN1B-45 (Slot 5)
CN1B-43 (Slot 6)
CN1B-41 (Slot 7)
CN1B-39 (Slot 8)
CN1A-44 (Slot 1)
CN1A-42 (Slot 2)
CN1A-40 (Slot 3)
CN1A-38 (Slot 4)
PG
CN1B-44 (Slot 5)
CN1B-42 (Slot 6)
CN1B-40 (Slot 7)
CN1B-38 (Slot 8)
CN1A-25 (Slot 1)
CN1A-24 (Slot 2)
CN1A-23 (Slot 3)
CN1A-22 (Slot 4)
OP
CN1B-25 (Slot 5)
CN1B-24 (Slot 6)
CN1B-23 (Slot 7)
CN1B-22 (Slot 8)
CN1A-11 (Slot 1)
CN1A-33 (Slot 2)
CN1A-6 (Slot 3)
CN1A-28 (Slot 4)
RD
CN1B-11 (Slot 5)
CN1B-33 (Slot 6)
CN1B-6 (Slot 7)
CN1B-28 (Slot 8)
6 - 6
MR-J4-_A_
Connector pin No. Connector pin assignment
CN1-3
CN1-28
CN1-30
CN1-34
CN1-35
CN1-10
CN1-41
CN1-20
CN1-21
CN1-46
CN1-47
CN1-36
CN1-11
CN1-33
CN1-49
CN1