Table 13: Cable Length Guidelines for Recommended Wire Sizes
Assumptions
Maximum Cable Length
and Type
Wire Size/Gauge and Type
Guideline
100 mV maximum voltage drop
457 m (1,500 ft) twisted wire
1.0 mm (18 AWG) stranded copper
A
Depending on the cable length
and the connected input or
output device, you may have to
define an offset in the setup
software for the input or output
point.
297 m (975 ft) twisted wire
0.8 mm (20 AWG) stranded copper
183 m (600 ft) twisted wire
0.6 mm (22 AWG) stranded copper
107 m (350 ft) twisted wire
0.5 mm (24 AWG) stranded copper
100 mV maximum voltage drop
Depending on the cable length
and the connected input or
output device, you may have to
define an offset in the setup
software for the input or output
point.
229 m (750 ft) twisted wire
1.0 mm (18 AWG) stranded copper
B
137 m (450 ft) twisted wire
0.8 mm (20 AWG) stranded copper
91 m (300 ft) twisted wire
0.6 mm (22 AWG) stranded copper
61 m (200 ft) twisted wire
0.5 mm (24 AWG) stranded copper
N/A
See
to determine
cable length. Use twisted wire
cable.
See
to select wire size/gauge. Use
stranded copper wire.
C
Maximum Cable Length versus Load Current Graphic
Figure 15: Maximum Wire Length by Current and Wire Size
23
NIE29 Installation Instructions