Specifications

FS-250 Installation and Operation Manual
43
BATTERY SIZE CALCULATONS
FS-250 Current Calculations
Panel and Module Current
Standby Current (A.) Alarm Current (A.)
FS-250 Control Panel (includes one loop driver board)* 0.190 0.190
FS-MT Municipal Tie Standby 0.005 0.005 + NA
Alarm 0.028 0.028 NA +
Standby (note 5) + NA
Alarm (note 5) NA +
FS-DACT DACT
Board
Standby 0.038 0.038 + NA
Alarm 0.054 0.054 NA +
Total Panel currents
Place these totals in the Total System Current Table
Go to Auxiliary Module Current calculations
When using the FS-MT Municipal Tie Board add the following currents for standby and alarm:
Type of Municipal tie Connection Standby Alarm
Local Energy + 0 + 0
Reverse Polarity Alarm Output (CA)
Alarm
Alarm w/Trouble
+ 0.020
+ 0
+ 0.020
+ 0.020
Reverse Polarity Trouble Output (CT) + 0.020 + 0.020
Auxiliary Module Battery Calculations
Panel and Module Current
Standby Current (A.) Alarm Current (A.)
FS-RD2 Remote
Standby 0.020
X = + NA
Annunciator
Alarm 0.085
X = NA +
FS-RU2 Serial Standby 0.032 X = + NA
Relay Unit Alarm 0.192 X = NA +
FS-RE8 Serial Standby 0.000 X = + NA
Relay Extender Alarm 0.160 X = NA +
FS-SAU2 Serial Standby 0.018 X = + NA
Annunciator Unit Alarm (note 4) 0.070 X = NA +
FS-SAE16 Serial
Annunciator
Standby 0.005 X = + NA
Extender Alarm (note 4) 0.000 X = NA +
Total Auxiliary
Module Current
Place these totals in the Total System Current table
Go to Device Current Calculations
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