SECTION 2
Installation and Connections/Wiring
■ SECS port
The method for wiring for communications with a host device via the SECS port is explained here.
CIDRW Controller
• Connector
The SECS port on the Controller is a D-SUB 9-pin connector. The pin arrangement is shown below.
Pin No.
Signal name
1
—
2
Receive data
3
Send data
4
—
5
Signal ground
6
—
7
Request send
8
—
9
—
Recommended model
Cable
Connector
CIDRW System
32
User's Manual
To the SECS port
RS-232C
MAINTENANNCE
SECS
ID
Symbol
Signal direction
NC
—
RD
Input
SD
Output
—
Output
SG
—
—
Input
RS
Input
NC
—
NC
—
Manufacturer
Hitachi Cable
Socket
OMRON
Hood
Host
To the RS-232 port
1 2 3
4 5
The connector rim has electrical continuity with the
GR (frame ground) in the 24 VDC power supply ter-
6 7 8 9
minals.
Remarks
Not connected
Always OFF
Use in the open status.
Always ON during normal operation
Not connected
Not connected
Model
CO-MA-VV-SB 5PX28AWG
XM2D-0901
XM2S-0913