Mircom BPS-1100, Installation And Operation Manual, Page: 24 / 44

7.0 Field Wiring
18
7.5 Wiring Tables & Information
Table 1: Wiring Table for Input Circuits
Table 2: Wiring Table for Indicating Circuits
Auxiliary Power Wiring
Use Table 2: Wiring Table for Indicating Circuits above.
Wire Gauge Maximum Wiring Run to Last Device (ELR)
(AWG) ft m
22 2990 910
20 4760 1450
18 7560 2300
16 12000 3600
14 19000 5800
12 30400 9200
Note:
Maximum Loop Resistance Should Not Exceed 100 Ohms
TOTAL
SIGNAL
LOAD
MAXIMUM WIRING RUN TO LAST DEVICE (ELR)
MAX. LOOP
RESISTANCE
18AWG 16AWG 14AWG 12AWG
Amperes ft m ft m ft m ft m Ohms
0.06 2350 716 3750 1143 6000 1829 8500 2591 30
0.12 1180 360 1850 567 3000 915 4250 1296 15
0.30 470 143 750 229 1200 366 1900 579 6
0.60 235 71 375 114 600 183 850 259 3
0.90 156 47 250 76 400 122 570 174 2
1.20 118 36 185 56 300 91 425 129 1.5
1.50 94 29 150 46 240 73 343 105 1.2
1.70 78 24 125 38 200 61 285 87 1.0
Note:
Main Board Indicating Circuits are rated for 1.7 Amperes each.SGM-1004A Indicating Circuits are
rated for 1.7 Amperes each.
Note:
Maximum Voltage Drop Should Not Exceed 1.8 Volts