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Option Units Section 2-3
2-3 Option Units
The section describes the part names, connector arrangement, communica-
tions specifications, and other information on Option Units.
Refer to 4-1 Installation and 4-2 Wiring for dimensions and weights.
2-3-1 RS-232C Option Board (CP1W-CIF01)
Part Names and Connector Arrangement
Communications Status Indicator
This indicator flashes during serial communications.
RS-232C Connector
Precautions for Correct Use
Always turn OFF the power supply to the G9SP-series Controller before
mounting or removing Option Boards.
Communications Specifications
Only no-protocol communications can be used for RS-232C serial communi-
cations of the G9SP-series Controller. Refer to SECTION 7 Communications
with a Standard PLC Using an Option Board for the communications settings
of the connected Standard PLC.
COMM
Front Rear
1. Communications status indicator
3. Controller connector
2. RS-232C connector
5
6
1
9
Pin Abbr. Signal Signal direction
1 FG Frame ground ---
2 SD (TXD) Send data Outputs
3 RD (RXD) Receive data Inputs
4 RS (RTS) Request to send Outputs
5 CS (CTS) Clear to send Inputs
6 5 V Power ---
7 DR (DSR) Data set ready Inputs
8 ER (DTR) Data terminal
ready
Outputs
9 SG (0 V) Signal ground ---
Connector
hood
FG Frame ground ---
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