Building A Td/Cpu Cable; Making A Cable That Supplies Power To The; Making A Cable That Does Not Supply Power To The - Siemens SIMATIC TD 200 User Manual

Multiple CPU Configurations
B.2

Building a TD/CPU Cable

The TD/CPU cable is used for connecting a display device to an S7-200 CPU. If
you do not have a TD/CPU cable, refer to Figures B-2 and B-3 to create your own
cable.
Making a Cable That Supplies Power to the TD 200
Figure B-2 shows you the pin-out of TD/CPU cable with power supplied to the
TD 200. Use this option when you want the TD 200 to receive power from an
S7-200 CPU.
Transmit/Receive Data +
Transmit/Receive Data –
Figure B-2 TD/CPU Cable with Power Connections
Making a Cable That Does Not Supply Power to the TD 200
Figure B-3 shows you the pin-out of a TD/CPU cable without power supplied to the
TD 200. Use this option when you want the TD 200 to receive power from an
external power supply. The maximum length for the cable is 1200 meters.
Transmit/Receive Data +
Transmit/Receive Data –
Figure B-3 TD/CPU Cable without Power Connections
B-4
TD 200 Side
NC 1
24 VDC Return 2
3
NC 4
Logic Ground 5
Shield
NC 6
24 VDC 7
8
NC 9
TD 200 Side
1
2
3
4
Logic Ground 5
6
7
8
9
S7-200 Side
1
2 24 VDC Return
3 Transmit/Receive Data +
4
5 Logic Ground
6
7 24 VDC
8 Transmit/Receive Data –
9
S7-200 Side
1
2
3 Transmit/Receive Data +
4
5 Logic Ground
Shield
6
7
8 Transmit/Receive Data –
9
SIMATIC TD 200 Operator Interface
C79000-G7076-C272-01