56
5. In Worksheet 5, enter devices connected to the Bell 2 Output. Calculate alarm currents, then add to get the
Bell 2 Output current subtotal.
Worksheet 5: Bell 2 Output Current Load
Total Current
Device
Model #
Device Current X
# of Units
Standby Alarm
XXXXXX
XXXXXX
XXXXXX
XXXXXX
XXXXXX
XXXXXX
Bell 2 Output Subtotal
(terminals 5 & 6 – 1.7A max.)
6. In Worksheet 6, enter the total calculated subtotals of all listed outputs from Worksheets 1 through 5, then add to get
the combined current.
Worksheet 6: Total VISTA-32FBPT Current Load
Total Current
Standby
Alarm
Polling Loop Subtotal
Auxiliary Power 1 Subtotal
Auxiliary Power 2 Subtotal
Bell 1 Output Subtotal
Bell 2 Output Subtotal
VISTA-32FBPT PCB Current (Incl.
2-wire smoke detector loading on
zones 1 & 2)
300mA 470mA
5140DLM Backup Dialer Module
5mA
(inactive)
15mA
(active)
Total Current Load
(1A max. standby; 2.3A max. alarm)
NOTE: The 5140DLM actually draws 55mA when active. However, since the control panel PCB current includes the main dialer
current, and since the main dialer is inactive when the 5140DLM is active, the 5140DLM imposes only a 15mA added load on the
current supply.
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