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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 0.8Ω 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)
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