Proface AGP3500 - 10.4 DIO HMI" User Manual
Page 41
ST3000 Series Hardware Manual
3-10
Serial Interface (COM2)
This interface is used to connect an RS-485 (MPI only) serial cable. A D-Sub 9-pin socket connector is used.
<ST unit side>
<Cable side>
ST Connector
XM3B-0942-502LX <OMRON Co.>
Interfit Bracket
#4-40 inch screws are used.
Recommended Cable Connector
XM2A-0901 <OMRON Co.>
Recommended Cable Cover
XM2S-0913 <OMRON Co.>
Recommended Jack Screw
XM2Z-0073 <OMRON Co.>
Pin
Arrangement
Pin No.
RS-485 (MPI only)
Signal Name
Direction
Meaning
1
NC
-
-
2
NC
-
-
3
LINE(+)
Input/
Output
LINE(+)
4
RS(RTS)
Output
Request to Send
5
SG
-
Signal Ground
*1
*1.
The SG and FG terminals are isolated.
6
5V
-
5V External Output
*2
*3
*2.
The 5V output for Pin # 6 is not protected against overcurrent. To prevent damage or
unit malfunctions, use only the rated current.
*3.
When providing power via the Siemens Co.’s PROFIBUS connector, power cannot
be connected to the Device/PLC.
7
NC
-
-
8
LINE(-)
Input/
Output
LINE(-)
9
NC
-
-
Shell
FG
-
Frame Ground
*1
(Common with SG)
9
6
5
1
(ST unit side)