Connecting To The Melsec-Q (Cpu) Series - Omron NV3Q Connection Manual

MELSEC-Q (CPU) Series
Communications Settings
1-4-1

Connecting to the MELSEC-Q (CPU) Series

NV3W, NV4W, or NV3Q for RS-232C
CPU Link interface
Q02CPU RS-232C port
on CPU Unit
Q02HCPU
Q06HCPU
Q12HCPU
Q25HCPU
10
The following communications settings are recommended for the PT and
PLC.
■ PT Communications Settings (Set from the NV-Designer using the NV
Configuration.)
Item
PLC station number
Baud rate
Data bits
Stop bits
Parity
■ PLC Communications Settings
It is not necessary to make any communications settings.
Connection diagram
Mini DIN 6-pin connector
on Mitsubishi PLC
Signal
Pin No.
1 RD
SD
2
3
SG
4 -
5 DR
6
ER
Setting
0
19,200 bps
8
1
Odd
To power
PT
supply
Pin No.
1
2
3
4
5
6
7
8
Section 1-4
NV3W, NV4W, or NV3Q
for RS-232C
Signal
+
−
FG
SD
RD
NC
NC
SG
PT