Omron V640-HS61, Руководство пользователя, Страница: 38 / 174

36
SE
CTION 2
Con
n
ec
tions
a
nd Wiring
CIDRW System
User’s Manual
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.
• Connector
The SECS port on the Controller is a D-SUB 9-pin connector (with #4-40 lock screws). The pin
arrangement is shown below.
Recommended Models
*1: The bending radius of the recommended RS-232C cable is 44 mm.
Pin No. Signal name Symbol Signal direction Remarks
1 — NC — Not connected
2 Receive data RD Input
3 Send data SD Output
4 — — Output Always OFF
5 Signal ground SG —
6 — — Input Use in the open status.
7 Request send RS Output Always ON during normal operation
8 Clear to send CS Input Operates even if not connected.
9 — NC — Not connected
Manufacturer Model
Cable*1 Hitachi Cable CO-MA-VV-SB 5PX28AWG
Connector Socket OMRON XM2D-0901
Hood XM2S-0913
CIDRW Controller
Host
To the RS-232 port
To the SECS port
The connector rim has electrical continuity with the
GR (frame ground) in the 24 VDC power supply ter-
minals.