GP3000 Series Hardware Manual
4-22
AGP-3302
Serial Interface (COM1)
This interface is used to connect an RS232C serial cable. A D-sub 9-pin plug connector is used.
<GP unit side>
<Cable side>
GP Connector XM2C-0942-502LX <OMRON Co.>
Interfit Bracket #4-40(UNC)
Recommended Cable Connector XM2D-0901 <OMRON Co.>
Recommended Cable Cover XM2S-0913 <OMRON Co.>
Recommended Jack Screw
(#4-40 UNC)
XM2Z-0073 <OMRON Co.>
Pin
Arrangement
Pin No.
RS232C
Signal Name Direction Meaning
1 CD Input Carrier Detect
2 RD(RXD) Input Receive Data
3 SD(TXD) Output Send Data
4 ER(DTR) Output Data Terminal Ready
5 SG - Signal Ground
6 DR(DSR) Input Data Set Ready
7 RS(RTS) Output Request to Send
8 CS(CTS) Input Send Possible
9 CI(RI)/VCC Input/-
Called status display
+5V
±5% Output 0.25A
*1
*1 The RI/VCC selection for Pin #9 is switched via software. The VCC output is not
protected against overcurrent. To prevent damage or a unit malfunction, use only the
rated current.
Shell FG -
Frame Ground
(Common with SG)
9
6
5
1
(GP unit side)
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