PC COM port and External power supply

1.

Programming Cable for TSX 47/67/87 plc’s
RS232 to Current loop
Converter
PLC db 9 connector
9 12v
2 R+
R+
7 R-
T+
4 T+
R-
6 T-
T-
8 0v
12v
PC Comm port
Gnd
External power supply
The converter used in this example is manufactured by: B&B Electronics. Their website is www.bb-elec.com.
The reference number for this converter is 232CL9R