User Constructed Cables – Wiring Diagrams (cont’d)
Diagram 13
Diagram 14
Siemens S7-200 CPU Port 0 or 1
RS-485A
To PLC
9-Pin Port
Wiring Diagram
Note: Use the above wiring diagram to make your own cable. We recommend Belden 9842 shielded cable or equivalent.
3
5
RS-485
Signal B
Logic
Common
9
11
5
1
RD+
SD+
shield
RS-485
Signal A
8
10
12
RD–
SD–
Term.
13
8 = do not use
7 = do not use
6 = do not use
5 = Logic GND
4 = do not use
3 = do not use
2 = do not use
1 = Frame GND
15 = do not use
14 = do not use
13 = Termination
12 = SD– (RS485)
11 = SD+ (RS485)
10 = RD– (RS485)
9 = RD+ (RS485)
1
15
15-pin
D-sub
(male)
9-pin
D-sub
(male)
1
9
1 = Logic Com
2 = Logic Com
3 = RS485 Sig B
4 = do not use
5 = Logic Com
6 = +5 VDC
7 = +24 VDC
8 = RS485 Sig A
9 = do not use
To
C-more
Micro-Graphic
Serial Port2
6–30
Chapter 6: PLC Communications
6
®
EA1-TCL-M Hardware User Manual, 1st Ed., 12/09
GE VersaMax Micro Port 1
RS-232C
8 = do not use
7 = do not use
6 = donot use
5 = Logic GND
4 = do not use
3 = RXD (232C)
2 = TXD (232C)
1 = Frame GND
To PLC
RJ45 Port 1
4
15 = do not use
14 = do not use
13 = do not use
12 = do not use
11 = do not use
10 = do not use
9 = do not use
1
15
15-pin
D-sub
(male)
3
8
TXD
RXD
GND
3
2
5
1
RXD
TXD
shield
Wiring Diagram
Note: Use the above wiring diagram to make your own cable. We recommend using 22 AWG shielded cable.
1 = RTS
2 = CTS
3 = RXD
4 = TXD
5 = DCD
6 = DTR
7 = +5V
8 = GND
RJ45 8-pin
Phone Plug
(8P8C)
To
C-more
Micro-Graphic
Serial Port2
User Constructed
User Constructed
