Appendix c – cable lengths – Wavetronix SmartSensor 105 (SS-105) - User Guide User Manual

Page 96

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APPENDIX

• SMARTSENSOR 105 USER GUIDE

95

GND/-DC

(Black 1 & Black 2)

+DC

(Red 1 & Red 2)

+485

-485

CTS

RTS

Ground

Ground

Ground

Ground

TD

RD

(Red 3)

(Black 3)

(Red 6)

(Black 6)

(Red 4)

(Black 4)

(Drain 1)

(Drain 2)

(Drain 3)

(Drain 4)

Figure B.2 – Old SmartSensor Cable into the Click 200

Appendix C – Cable Lengths

The recommendations in Table C.1 below allow you to provide reliable power to the Smart-

Sensor. The SmartSensor cable’s red and black wires provide a 20 AWG wire pair. The other

pairs on the SmartSensor cable are 22 AWG and are normally used for communication.

Cable Gauge

24 Volts

12 Volts

20 AWG (8-conductor Cable)

600 ft. (182.9 m)

110 ft. (33.5 m)

Additional 22 AWG

Add 400 ft. (121.9 m)

Add 75 ft. (22.9 m)

22 AWG (9-conductor Cable)

400 ft. (121.9 m)

75 ft. (22.9 m)

Additional 22 AWG

Add 400 ft. (121.9 m)

Add 75 ft. (22.9 m)

14 AWG

2500 ft. (762 m)

450 ft. (137.2 m)

12 AWG

3900 ft. (1188.7 m)

700 ft. (213.4 m)

10 AWG

6000 ft. (1828.8 m)

1050 ft. (320 m)

8 AWG

9900 ft. (3017.5 m)

1750 ft. (533.4 m)

6 AWG

14,000 ft. (4267.2 m)

2500 ft. (762 m)

Table C.1 – Maximum Cable Length for Power

If the cable length is longer than 600 ft. (182.9 m) when operating at 24 V, it is possible

to increase the maximum cable length by wiring a pair of lines normally used for RS-232

communications with the red and black wires.

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