Mitsubishi Electric MELSERVO-J2S Series Transition Handbook page 43

Part 2: Review on Replacement of MR-J2S-_A_ with MR-J4-_A_
(b) CN3
1) For 7 kW or less
MR-J2S-_A_
Connector pin assignment
CN3
Note. Signal abbreviations in parentheses are for MR-J4-_A_.
2) For 11 kW to 22 kW
MR-J2S-_A_
Connector pin assignment
CN3
Note. Signal abbreviations in parentheses are for MR-J4-_A_.
Signal
abbreviation
Connector pin No.
(Note)
CN3-3 LG
CN3-4 MO1
CN3-14 MO2
CN3-13 LG
CN3-1 LG
CN3-5 RDP
CN3-9 SDP
CN3-11 LG
CN3-15 RDN
CN3-19 SDN
CN3-20 P5 (P5D)
CN3-2 RXD
CN3-10 TRE
CN3-12 TXD
Signal
abbreviation
Connector pin No.
(Note)
CN3-1 LG
CN3-5 RDP
CN3-9 SDP
CN3-11 LG
CN3-15 RDN
CN3-19 SDN
CN3-20 P5(P5D)
CN3-2 RXD
CN3-10 TRE
CN3-12 TXD
2 - 12
MR-J4-_A_
Connector pin No. Connector pin assignment
CN6-1
CN6-2
CN6-3
-
CN3-1
CN3-3
CN3-5
CN3-7
CN3-6
CN3-4
CN3-2
-
-
-
MR-J4-_A_
Connector pin No. Connector pin assignment
CN3-1
CN3-3
CN3-5
CN3-7
CN3-6
CN3-4
CN3-2
-
-
-
CN6
CN3
CN3