Cooper Security EXP-PSU Installation Manual page 9

EXP-PSU
Current Cable Length (Standard 7/0.2 alarm cable)
Drawn
10m 20m
60mA 0.10V 0.19V
80mA 0.13V 0.26V
100mA 0.16V 0.32V
120mA 0.19V 0.38V
140mA 0.22V 0.45V
160mA 0.26V 0.51V
180mA 0.29V 0.58V
200mA 0.32V 0.64V
220mA 0.35V 0.70V
240mA 0.38V 0.79V
260mA 0.42V 0.83V
280mA 0.45V 0.90V
300mA 0.48V 0.96V
320mA 0.51V 1.02V
340mA 0.54V 1.09V
360mA 0.58V 1.15V
380mA 0.61V 1.22V
400mA 0.64V 1.28V
Table 1. Voltage Drop
30m 40m
0.29V 0.38V
0.38V 0.51V
0.48V 0.64V
0.58V 0.79V
0.67V 0.90V
0.77V 1.02V
0.86V 1.15V
0.96V 1.28V
1.06V 1.41V
1.15V 1.54V
1.25V 1.66V
1.34V 1.79V
1.44V 1.92V
1.55V 2.05V
1.63V 2.18V
1.73V 2.30V
1.82V 2.43V
1.92V 2.56V
Figure 4. Connecting Remote Power Supply Units
50m 60m 70m
0.48V 0.58V 0.67V
0.64V 0.79V 0.90V
0.80V 0.96V 1.12V
0.96V 1.15V 1.34V
1.12V 1.34V 1.57V
1.28V 1.54V 1.79V
1.44V 1.73V 2.02V
1.60V 1.92V 2.24V
1.76V 2.11V 2.46V
1.92V 2.30V 2.69V
2.08V 2.50V 2.91V
2.24V 2.69V 3.14V
2.40V 2.88V 3.36V
2.56V 3.07V 3.58V
2.72V 3.26V 3.81V
2.88V 3.46V 4.03V
3.04V 3.65V 4.26V
3.20V 3.84V 4.48V
80m 90m 100m
0.77V 0.86V 0.96V
1.02V 1.15V 1.28V
1.28V 1.44V 1.60V
1.54V 1.74V 1.92V
1.79V 2.02V 2.24V
2.05V 2.30V 2.56V
2.30V 2.59V 2.88V
2.56V 2.88V 3.20V
2.82V 3.17V 3.52V
3.07V 3.46V 3.84V
3.33V 3.74V 4.16V
3.58V 4.03V 4.48V
3.84V 4.32V 4.80V
4.10V 4.61V 5.12V
4.35V 4.90V 5.44V
4.61V 5.18V 5.76V
4.86V 5.47V 6.08V
5.12V 5.76V 6.40V
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