Johnson Controls NIE29 Series User Manual

Table 13: Cable Length Guidelines for Recommended Wire Sizes
AssumptionsMaximum Cable Length
and Type
Wire Size/Gauge and TypeGuideline
100 mV maximum voltage drop457 m (1,500 ft) twisted wire1.0 mm (18 AWG) stranded copperA
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 wire0.8 mm (20 AWG) stranded copper
183 m (600 ft) twisted wire0.6 mm (22 AWG) stranded copper
107 m (350 ft) twisted wire0.5 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 wire1.0 mm (18 AWG) stranded copperB
137 m (450 ft) twisted wire0.8 mm (20 AWG) stranded copper
91 m (300 ft) twisted wire0.6 mm (22 AWG) stranded copper
61 m (200 ft) twisted wire0.5 mm (24 AWG) stranded copper
N/A
See Figure 15 to determine
cable length. Use twisted wire
cable.
See Figure 15 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
23NIE29 Installation Instructions

Johnson Controls NIE29 Series Specifications

General

Brand	Johnson Controls
Model	NIE29 Series
Category	Controller
Language	English