Elmdene STX2410-H, BATT-BOX-65, STX2410-E, G2410BM-E, G2410BM-H User Manual
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Technical Support: +44(0)23 9269 6638 (option 3) PAK200574_01K May 2016 ©2016 ELMDENE INTERNATIONAL LTD
27.6 Vdc Switch Mode Power Supply for Fire – EN54-4:1997 +A1 +A2
STX2410-E Optional BATT-BOX-65
STX2410-H
F
EATURES
The STX2410-x is an EN54-4:1997 +A1 +A2 approved power supply ideal for use in Fire control
Systems. Its regulated 27.6V dc output will supply a total of 10 Amps continuous into the load, whilst
also enabling battery charging. (7.2 Amps Load with 65Ah batteries, 10 Amps with 18Ah batteries).The
power supply output features electronic short circuit protection under both mains and standby
battery operation. Maximum battery life is assured through continuous active battery monitoring and
the use of a three stage charger, comprising bulk, absorb and temperature compensated final float
phase depending upon battery condition. Once fully charged the product operates in Eco power
saving mode, whereby the batteries are charged for 4 hours in every 24 hour period while still being
continuously monitored. This reduces wasted energy in charging already fully charged batteries and
extends their working life. Deep discharge protection prevents premature battery failure when
operating from standby for extended periods. Two sets of volt free solid state relay fault output signal
(i) loss of mains and (ii) battery fault, charger fault and loss of output. In addition there is an RS232
serial interface that can provide diagnostic and fault reporting information to supervisory systems.
• Certified by UL to EN54-4:1997 +A1 +A2.
• Up to 10 A current to load at 27.6V dc nominal regulated output.
• Charging capability to support 18, 38 or 65Ah batteries with intelligent load enhancement.
• Electronic overload protection shuts down output until overload or short circuit is removed.
• Battery Monitor detects battery missing, low battery, short-circuit or reverse connection or
circuit impedance (Ri) in excess of 300mΩ caused by connector or wiring corrosion within
4hours..
• Battery charging circuit is energised only when a battery is correctly connected and the battery
voltage is greater than 14 V.
• No loss of output during automatic connection of battery to load on loss of mains.
• Deep discharge protection disconnects battery from load when battery voltage falls to 21 V.
• Fault indicator LED (Yellow) flashes on detection of output fault, battery fault, charger fault and
mains failure.
• Mains indicator LED (Green) showing mains present.
• RS232 serial interface for fault reporting and diagnostics interface to OEM equipment.
Elmdene International Ltd
Tel: +44(0)23 9269 6638
3 Keel Close, Interchange Park, Fax: +44(0)23 9266 0483
Portsmouth, Hampshire, PO3 5QD, UK
Web: www.elmdene.co.uk
0843-CPR-0216
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Technical Support: +44(0)23 9269 6638 (option 3) PAK200574_01K May 2016 ©2016 ELMDENE INTERNATIONAL LTD
S
PECIFICATION
Mains Input
Rated Voltage
110 – 240V
ac
Frequency
50 Hz
I
nput current
<
4.0 Amps at full load
Inrush current
30
A Max at 25 °C 110V
ac for 10
ms
Fuse
T4.0 A, 20 mm, 250V
ac HRC
Output
Voltage at full load
Mains power
Battery standby
26.0 – 28.5 Vdc (range) (27.6 V nominal)
18 – 26.0 Vdc
Ripple
<100 mV pk
– pk max
@ Rated Voltage
Fuse
Load
Battery
F10.0 A
F10.0 A
Overload
Electronic shutdown at 15
A until overload or short circuit removed
Battery mode selected
17/
18 Ah
38 Ah
65 Ah
Continuous Output Current
No charging (Imax B)
With charging (Imax A) – 220V
With charging (Imax A) – 110V
10.0 A
10.0 A
8.5 A
10.0 A
8.0 A
7.5 A
10.0 A
7.2 A
6.5 A
Battery Capacity
eg
- PowerSonic model
- Yuasa model
- Interlogix model
2 x 17
/18
Ah 12 V
PS12170
NP17-12
BS131N
2 x 38 Ah 12 V
PS12380
NP38-12
2 x 65 Ah 12 V
PS12650
NP65-12
BS133N
Battery Charging
Constant current bulk charging to 80% capacity within 24 hours
Float charging to 100% within 48 hours
Eco charging and check every 2 hours – (for 20 minutes)
Constant current charge
0.7 A
1.6 A
2.6 A
Low battery thresho
ld voltage
23 V
Deep discharge protection
Threshold voltage
– 21 V
Quiescent current
– no load
30 mA
Quiescent current
– batt cut off
0 mA
Mechanical
Product
Reference
STX2410
-E
STX2410
-H
BATT
-
BOX-65
Enclosure Dimensions
w x h x d (mm)
400 x 420 x 80 420 x 420 x 180 450 x 535 x 245
Weight (kg)
excluding battery
6.4 9.7 12.9
Material
1.2mm steel white powder coated
Environmental
Temperature
– Operating
-10 to +40°C (operating) 75% RH non
-
condensing
Temperature
- Storage
-20 to +80°C (storage)
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Technical Support: +44(0)23 9269 6638 (option 3) PAK200574_01K May 2016 ©2016 ELMDENE INTERNATIONAL LTD
C
ONNECTIONS
Load Output ++ /
-- Screw terminals
Voltage output to load
GEN
PSU Fault
(normally
closed contact)
0.10 A @ 60
V
dc 16
Ω solid state relay contact
s, volt free
Open if Mains failed and battery voltage < 23V or fault PSU fault
condition, (see below)
EPS Fault (normally closed
contact)
0.10 A @ 60
V
dc 16
Ω solid state relay contacts, volt free
Open if loss of mains for > 10 seconds
Temperature sensor
Therm
istor input from supplied battery terminal
therm
istor.
BATT + /
- Connection to b
ack up battery using supplied battery lead
FAN +/
- Not used
RS232 serial interface
4
pin header
S
IGNALLING AND DIAGNOSTICS
Fault Outputs
EPS Fault GEN Fault Condition Possible Cause Action
C
LOSED
C
LOSED
Normal
operation
Mains present
Battery healthy
None
O
PEN
C
LOSED
Standby
Mode
Mains lost
Battery driving load
Investigate loss of mains
C
LOSED
O
PEN
Fault
Present
Blown fuses
Battery fault
Overload
Internal fault
Investigate fault source
using diagnostic LED
Rectify fault where
possible
O
PEN
O
PEN
PSU
Shutdown
Mains lost
Standby battery exhausted
Restore mains as soon
as possible
LED Indication
YELLOW
LED
Fault LED
GREEN LED
Mains supply On
DIAGNOSTICS
Diagnostic LED (Not visible through front panel)
Fault Diagnostic table – Front panel - User
Yellow LED
Fault
Green LED
Mains
Condition Possible Cause Action
OFF ON
Normal
operation
Mains present
Battery healthy
None
F
LASH
C
ONTINUOUS
ON or OFF Fault
Blown fuses
Battery fault
Overload
Internal fault
Contact service
engineer
1 P
ULSE
OFF Standby Mode
Mains lost
Battery driving load
Investigate loss of
mains
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