Chapter 2 Specifications
2-9
2.3.3
ST402-AG41-24V
Serial Interface
RS-485 (MPI) Interface (X)
Recommended Connector : Dsub 9 pin
pin-type XM2A-0901
<made by OMRON Corp.>
Recommended Cover : Dsub 9 pin cover XM2S-0913 <made by OMRON Corp.>
•
RS-232C can be used to connect the ST with Devices/PLCs.
•
Use inch type screw (#4-40UNC) as set screws.
Pin Connection
Pin No.
Signal
Signal Name
Direction
*1
*1
The connector of the ST side is socket type.
1
NC
No connection
-
2
NC
No connection
-
3
LINE(+)
Line (+)
In/Output
4
RTS
Request Send
Output
5
SG
Ground
-
6
5V
5V External Output
*2
*2
When providing power via the Seimens Corporation Profibus connector, power cannot be
connected to the Device/PLC.
Output
7
NC
No connection
-
8
LINE(-)
Line (-)
In/Output
9
NC
No connection
-
•
This communication port is designed exclusively to be used for an MPI Direct Connection with
Seimens Corporation S7-200/300/400 Series PLCs.
•
Use inch type screw (#4-40UNC) as set screws.
•
This unit is not equipped internally with termination resistance. Attach termination resistance to
the cable. If there is no designation on the PLC side, attach 100
Ω
1/2W.
Summary of Contents for Pro-face ST Series
Page 1: ...User Manual ST Series...
Page 13: ...12 Memo...
Page 18: ...1 1 1 Introduction 1 1 Prior to Operating the ST 1 2 System Design 1 3 Accessories...
Page 54: ...4 1 4 Data Transfer 4 1 Serial Data Transfer 4 2 Ethernet Data Transfer...
Page 61: ...ST Series User s Manual 4 8 Memo...
Page 123: ...ST Series User s Manual 7 24 Memo...
Page 124: ...8 1 8 Maintenance 8 1 Regular Cleaning 8 2 Periodic Check Points 8 3 Changing the Backlight...
