Check cable type, size and maximum distances
Pull cables for all inputs and outputs
Check device power requirements
| Cable type | Cable format* | Single HBUS device – data only | Single HBUS device – data and power | Multiple HBUS devices – data only | Multiple HBUS devices – data and power |
|---|---|---|---|---|---|
* The matching of wire sizes to equivalent wire gauges are only approximate. ** Recommended cable types for optimal HBUS RS485 performance.
Shielded cable may reduce the obtainable cable length. Shielded cable should be grounded at the Controller end only.
CAT 5e or better**
4 twisted pair Each 2 x 0.2 mm2 (24 AWG)
500 m (1640 ft)
50 m (165 ft)
500 m (1640 ft)
50 m (165 ft)
SEC472
4 x 0.2 mm2 Not twisted pairs (24 AWG)
400 m (1310 ft)
50 m (165 ft)
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SEC4142
4 x 0.4 mm2 Not twisted pairs (21 AWG)
400 m (1310 ft)
100 m (330 ft)
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