Specifications

Technical Specifications Appendix A

467

S7-200 USB/PPI Multi-Master Cable

To use the USB cable, you must have STEP 7--Micro/WIN 3.2 Service Pack 4 (or later) installed. It

is recommended that you use the USB cable only with an S7-200 CPU22x or later. The USB

cable does not support Freeport communications or downloading the TP Designer to the TP070.

Table A-69 S7-200 USB/PPI Multi-Master Cable -- Pin-outs for the RS-485 to USB Series “A” Connector

RS-485 Connector Pin-out USB Connector Pin-out

Pin Number Signal Description Pin Number Signal Description

1 No connect 1 USB -- DataP

2 24 V Return (RS-485 logic ground) 2 USB -- DataM

3 Signal B (RxD/TxD+) 3 USB 5V

4 RTS (TTL level) 4 USB logic ground

5 No connect

6 No connect

7 24 V Suppl y

8 Signal A (RxD/TxD--)

9 Protocol select (low = 10 bit)

Figure A-45 shows the S7-200 USB/PPI Multi-Master Cable dimensions and LEDs.

130 mm

0.8 m

USB COMM RS-485 COMM

4.7 m

51 mm

LED

PPI

Green

Color

Green

USB transmit indicator

Description

USB receive indi cator

RS-485 transmit indicator

Figure A-45 S7-200 USB/PPI Multi-Master Cable Dimensions and LEDs