ADT FOCUS 200 PLUS Installation And Setup Manual page 130

FOCUS 200 PLUS Installation and Setup Guide
5. In table 8, enter devices connected to Bell 2 output. Calculate alarm currents, then add to get Bell
2 output current subtotal.
Table 8: BELL 2 OUTPUT CURRENT LOAD
Device Model #
6. In table 9, enter the total calculated subtotals of all listed outputs from Tables 4 through 8, then
add to get the combined current.
Table 9: TOTAL PERIPHERAL CURRENT LOAD
Total Peripheral Standby and Alarm Current
Compare the values calculated above with the values from the table in AC Transformer Alarm
7.
Current and Battery Size Limits and Table 10. If the 50VA transformer limits are exceeded, then
use a 72VA transformer. If the 72VA transformer limits are exceeded, then use a supplementary
power supply to carry some of the current load.
12-12
Device Current X # of Units =
Bell 2 Output Subtotal
(terminals 7 & 8) 1.7 amp max
RS-485 Bus #1 Subtotal (see Table 4)
RS-485 Bus #2 Subtotal (see Table 5)
Aux. Relay Terminal 10, if wet (see Table 6)
Bell 1 Output Subtotal (see Table 7)
Bell 2 Output Subtotal (see Table 8)
(Refer to step 7 for current limits)
Standby
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Standby
Add all subtotals
Total Current
Alarm
Total Current
Alarm