Connecting To The Melsec-A Series (Computer Link Unit) - Omron NV3W Connection Manual

MELSEC-A Series (Computer Link)
1-5-1

Connecting to the MELSEC-A Series (Computer Link Unit)

For 24-VDC power
CPU Computer link
unit
A1N AJ71C24
A2N AJ71C24-S3
A3N AJ71C24-S6
AJ71C24-S8
AJ71U24
(A2N only)
A1S A1SJ71C24-R2
A1SJ71UC24-R2
A1SJ A1SJ71UC24-R2
A2SH
A1SH
A2CCPU24 RS-232C port on
CPU Unit
12
Connection diagram
Mitsubishi Computer Link
To power
Module
Signal
Pin No.
1 FG
2 SD
3 RD
4 RS
CS
5
6
DR
7
SG
CD
8
20 ER
Mitsubishi Computer Link
To power
Module
Pin No. Signal
1 CD
2 RD
3 SD
4 ER
5 SG
6
DR
7
RS
CS
8
9 -
PT
supply
Pin No.
Signal
1
2
3
4
5
6
7
8
PT
supply
Pin No. Signal
1
2
3
4
5
6
7
8
Section 1-5
PT
NV3W (-V1), NV4W,
or NV3Q for RS-
232C
+
−
FG
SD
RD
NC
NC
SG
NV3W (-V1), NV4W,
or NV3Q for RS-
232C
+
−
FG
SD
RD
NC
NC
SG