Wavetronix SmartSensor HD (101-0415) - User Guide Manual de usuario descargar pdf (Pagina 85)

84 APPENDIX  SMARTSENSOR HD USER GUIDE

Note

These instructions apply to both the 8-conductor cable and the 9-conductor cable.

e 9-conductor/8-conductor cables’ DC (red and black) wires are a 20 AWG wire pair.

e other wires in the cable are 22 AWG and are used for communication, as detailed in the

earlier appendices.

Cable Gauge 24 Volts 12 Volts

20 AWG 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 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 . (182.9 m) when operating at 24 VDC, 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.

In many cases, if the cable length is 200 . (61 m) or greater you cannot reliably use RS-232

communications. To add 400 . (121.9 m) and achieve a maximum cable length of 1000

. (304.8 m), connect the orange wire (normally RTS) to the red wire and the brown wire

(normally CTS) to the black wire.

If your cable run is longer than 1000 . (304.8 m), it is possible to sacrice additional com-

munication pairs to increase the maximum cable length for power. However, you may de-

sire to communicate to the sensor over two independent channels, in which case you will

need to consider an alternate cable for power. e AWG for wire pairs that achieve a 2000

. (609.6 m) maximum cable length or greater at 12 and 24 VDC are listed in Table A.1.

To achieve reliable wired communications, the selected baud rate must be compatible with

the length of the cable run. Table C.2 below shows the cable length recommendations for

wired communications:

1 2 ... 80 81 82 83 84 85 86 87 88 89

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Wavetronix SmartSensor HD (101-0415) - User Guide Manual de usuario Pagina 85