Age.18), Rs-485 (isolation) – Proface GP4600R - 12.1 Standard HMIs with Rear Mounting Options" User Manual
Page 17
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Eng
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Interface
4. RS-485 (isolation)
D-Sub 9 pin socket connector via an RS-485/PROFIBUS/MPI cable.
Note: (1) You can supply power to the Siemens PROFIBUS connector only. You cannot
supply power to the device/PLC.
(2) The SG and FG terminals are isolated.
Interfit bracket is #4-40 (UNC).
Recommendations:
•
Cable Connector: XM2A-0901 manufactured by OMRON Corporation.
•
Cable Cover: XM2S-0913 manufactured by OMRON Corporation.
•
Jack Screw (#4-40 UNC): XM2Z-0073 manufactured by OMRON
Corporation.
Pin
Number
RS-485 (isolation)
Signal Name
Direction
Meaning
1
NC
–
no connection
2
NC
–
no connection
3
Line A
Input/Output
Data A (+)
4
RS(RTS)
Output
Request to Send
5
SG
–
Signal Ground
6
VCC
–
+5V ±5% External Output
(1)
7
NC
–
no connection
8
Line B
Input/Output
Data B (–)
9
NC
–
no connection
Shell
FG
–
Frame Ground
(2)
(Not connected with SG)