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4.2.1 AX-CTL Base Card Wiring
4.2.1.1 AX-CTL Base Card Battery Circuit
24 VDC Nominal
27.4V nominal charging voltage, 2.0A temperature
compensated charging current. 0.83 manufacturer
battery de-rating factor.
Minimum 7Ah, Maximum 48Ah batteries.
SUPERVISED. NON-POWER LIMITED.
Battery link wire fuse:
Fuse: 10A, 250VAC Ceramic, Time Delay
(size 5x20mm)
(Advanced part number 620-008, Bussmann S505-10-
R, Littelfuse 0215010.XP)
Start the panel on AC power first then connect
batteries. If AC power is not available the system can
be started from the batteries, simply connect a fully
charged set of batteries and press the “START FROM
BATTERY” button.
The panel provides deep discharge protection. Battery
power will be disconnected when voltage falls below
19V (nominal).
Note: If the batteries are disconnected the charger
output is turned off.
Internal series resistance of the batteries is
continuously checked. If the internal series resistance
increases above 0.8
Ω
the panel will indicate a battery
trouble condition.
4.2.1.2 AX-CTL SLC Circuits
The AX-CTL base card provides either one (AX-CTL-
1PCB) or two (AX-CTL-2PCB) SLC circuits. The circuit
ratings for each SLC are as follows:
24 VDC, 0.5A
1
SUPERVISED. POWER LIMITED.
Class A, X (Style 7) or B
Minimum return voltage permitted is 17V.
Wire range – 22-12 AWG
Refer to Axis
AX
Wiring Guide Section 9.
1
TOTAL OUTPUT LOAD must not exceed panel supply rating – maximum 5A (10A if AX-PSU installed).
BAT BAT
-
+
START FROM
BATTERY
+
-
+
-
10A Fuse
The following meter readings are
available on the FACP display:
Battery
Voltage
Charger
Voltage
Charging
Current
Temperature
(Refer to Section 10.1.1)
The following meter readings are
available on the FACP display:
Output
Voltage
Input
(Return)
Voltage
Load
Current
Max/Min Device Current Pulse
Start from
Battery Button
(Refer to Section 10.1.1)
