Omron NV3Q Connection Manual page 103

MICRO-EH Series
9-2-1 RS-232C Connections
Connecting to the EH-
RS05 with a user-made
cable.
PLC type Link interface
MICRO-EH Port 1 on CPU Module
Series
14 points
20 points
23 points
28 points
40 points
64 points
■
PT Communications Settings (Set from the NV-Designer using the NV
Configuration.)
Item
Baud rate
Data bits
Stop bits
Parity
■
PLC Communications Settings
The DIP switch and special internal outputs must be set. Make the following
settings.
Item
Port type
Communications
control procedure
Baud rate
Hitachi PLC
■
Connection Diagram
D-sub 15-pin male
connector on cable
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Note (1) Settings depend on the port and communications method. Check the
communications settings given previously.
(2) The model with 10 points cannot be used.
19,200 bps
7
1
Even
Special port
Transmission control procedure 1 (no station numbers)
19,200 bps
User-made cable
EH-RS05
Connection diagram
To power
PT
supply
Signal
Pin No.
-
SD
RD
RS
CS
-
DR
-
PG
PG
CD
CD
ER1
ER2
-
Section 9-2
Setting
Setting
PT
NV3W,
NV4W, or
NV3Q for RS-
Signal
232C
1 +
2 -
3 FG
4 SD
5 RD
6 NC
7 NC
8 SG
PT
79