Ampac LoopSense MAN 1572-4 Installation And Commissioning Guide

Page 42
LOOPSENSE EN54 INSTALLATION & COMMISSIONING
POWER SUPPLY & BATTERY CALCULATOR
Criteria Example
Panel Configuration
Iq Calculation
Iq Calculation
No Off X mA
= Iq
No Off X mA
= Iq
Basic 1 Loop Panel
115
1
115
115
Basic 2 Loop Panel
135
Interface Cards/Boards
0
8 Way Sounder Board
8 Way Relay Board
8 Zone Conventional
SmartTerminal
12.4
1
12.4
12.4
Loop Devices
(using Loop calc)
0
L1 Iq
100
30
L2 Iq
Iq =
Iq =
157.4
Devices activating when the system is in alarm
L1 I alarm (max 500mA)
100
150
L2 I alarm (max 500mA)
Relays
10
20
200
Sounders
4
80
320
Total other Outputs mA
150
Ida=
Ida=
820
Devices de-activating when the system goes into alarm
Aircon Relays
2
20
40
Electric locks
4
100
400
Other
0
Idd=
Idd=
440
I Alarm ( Ia = Iq + Ida – Idd ) = mA
Ia = 157.4 + 820 – 440 = 537.4
Criteria Example
Battery capacity at end
of battery life
=
( Iq x 24 ) + ( Ia x 0.5 )
=
( Iq x 24 ) + ( Ia x 0.5 )
( rounded )
=
=
( 157mA x 24 ) + ( 537mA x 0.5 )
=
=
3768 + 269 = 4037 mA
Note: 1,000ma = 1Amp
=
Ah
=
4.037 Ah
New battery capacity
requirement
=
Ah x 1.25
=
3.329 x 1.25
=
Ah
=
5.04625 Ah
Rounded up to nearest
available
Ah
7 Ah

Ampac LoopSense MAN 1572-4 Specifications

General

Brand	Ampac
Model	LoopSense MAN 1572-4
Category	Control Panel
Language	English