Verasys ZEC510, Руководство по установке

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Table 10: Cable length guidelines for wire sizes
Guideline Wire size/guage and type
Maximum cable length
and type Assumptions
1.0 mm (18 AWG) stranded
copper
457 m (1,500 ft) twisted
wire
0.8 mm(20 AWG) stranded
copper 297 m (975 ft) twisted
wire
297 m (975 ft) twisted wire
457 m (1,500 ft) twisted wire
183 m (600 ft) twisted wire
183 m (600 ft) twisted wire
A
0.5 mm (24 AWG) stranded
copper 107 m (350 ft) twisted
wire
107 m (350 ft) twisted wire
100 mV maximum
voltage drop
Depending on the
cable length and the
connected input or
output device, you
might have to define
an offset in the setup
software for the input or
output point.
1.0 mm (18 AWG) stranded
copper
229 m (750 ft) twisted wire
0.8 mm (20 AWG) stranded
copper 297 m (975 ft) twisted
wire
137 m (450 ft) twisted wire
0.6 mm (22 AWG) stranded
copper 183 m (600 ft) twisted
wire
91 m (300 ft) twisted wire
B
0.5 mm (24 AWG) stranded
copper 107 m (350 ft) twisted
wire
61 m (200 ft) twisted wire
100 mV maximum
voltage drop
Depending on the
cable length and the
connected input or
output device, you
might have to define
an offset in the setup
software for the input or
output point.
C To select wire size and gauge,
see Figure 16.
Use stranded copper wire.
To determine cable length,
see Figure 16.
Use twisted wire cable.
N/A
Figure 16: Maximum wire length by current and wire size
23 Verasys ZEC510 VAV Controllers Installation Guide