Ast-3302b – Proface AGP3500 - 10.4 DIO HMI" User Manual
Page 52
Chapter 3 Specifications
3-21
AST-3302B
Serial Interface (COM1)
This interface is used to connect an RS-232C serial cable. A D-Sub 9-pin plug connector is used.
<ST unit side>
<Cable side>
ST Connector
XM2C-0942-502LX <OMRON Co.>
Interfit Bracket
#4-40 inch screws are used.
Recommended Cable Connector
XM2D-0901 <OMRON Co.>
Recommended Cable Cover
XM2S-0913 <OMRON Co.>
Recommended Jack Screw
XM2Z-0073 <OMRON Co.>
Pin
Arrangement
Pin No.
RS-232C
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
(ST unit side)