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BBU - Battery Backed-Up Power Supply
POWER SUPPLY*
D a ta s h e e t
L
+
G
DC OUT
AC IN
BBU
-
Battery Backed-Up
N
Power Supply
BBU
The connectPower BBU
combines with our power
supplies and a customer
supplied battery pack to form
a scalable UPS system. This
enables you to put together a
UPS system uniquely tailored
to your application.
ENABLE
PS+
PSLOAD+
LOAD(S)
LOADPS AC
OUT
BATT+
BATT-
L
G
BBU AC
IN
This full featured unit has all
the diagnostics needed for
applications where it is critical
to know the status of the
power system.
N
• 12 and 24Vdc versions
available
FUSE*
+
BATTERY*
*Customer Supplied
IL04XXXX000009-
Specifications subject to change without notice. 99990269 - 03/02 Printed in Canada
United States
Website: www.weidmuller.com
Email: [email protected]
Weidmuller Inc.
Canada
Website: www.weidmuller.ca
821 Southlake Blvd.
Weidmuller Ltd.
Weidmuller, S.A. de C.V.
Richmond, Virginia 23236
10 Spy Court
5 Sur No. 4311
Telephone: (800) 849-9343
Markham, Ontario L3R 5H6
Col. Huexotitla
Facsimile: (804) 379-2593
Telephone: (800) 268-4080
72534 Puebla, Pue. Mexico
Email: [email protected]
Facsimile: (905) 475-2798
Telephone: (22) 37 2549
BBU - Battery Backed-Up Power Supply
BBU Operation (12/24V):
Diagnostic LEDs, control inputs and relay outputs
Specifications
“Full Charge” LED (Green):
“Battery Low” LED (yellow):
On when battery voltage is <11 / 22Vdc.
“Bat Status” relay is de-energized.
If the battery voltage drops below 9.7 / 18.7V the load is switched off.
On when BBU is charging the batteries.
Off when the “Full Charge” LED is on.
“Fault” LED (red):
On when AC fails.
On when external power supply voltage is <11 / 21.5V.
On when batteries not connected.
On when battery voltage is <9.7 / 18.7V
Fault relay de-energizes for the above conditions.
“Battery Open” LED (red):
“Drain” input
“Drain Reset”
“Enable” input
991628 0012
85Vac, 120Vdc
115-230Vac, +/- 10%
265Vac, 300Vdc
991628 0024
85Vac, 120Vdc
115-230Vac, +/- 10%
265Vac, 300Vdc
@ 115Vac
@ 230Vac
0.80A
0.50A
1.0A
0.60A
9.2A max.
9.0A max.
10A minus the input current
2A slow blow (internal)
Thermistor
Varistor
2A slow blow (internal)
Thermistor
Varistor
10Ω
275Vac
Switching Frequency
100KHz
100KHz
Efficiency @ Max Charge
69%
72%
120-200mA
120-200mA
<50mV
<50mV
Input Current
AC Current Output for PS
On when battery voltage is 14.75 / 29.5V or greater.
“Bat Status” relay is energized.
Once fully charged the BBU drops the charge voltage to
13.65 / 27.3V (“float” voltage).
“Charging” LED (yellow):
“Battery Reverse” LED (red):
minimum
typical
maximum
Catalog Number
Input Voltage
Batteries connected in reverse.
Fault relay de-energizes and fault LED turns on.
Internal fuse opens to prevent damage to BBU or batteries.
No batteries connected - takes approx. 60 seconds to detect after turning on BBU.
“Fault” LED is on and Fault relay is de-energized.
A temporary short between the “Drain” and “COM” terminals switches the load
to the batteries until the battery voltage reaches 11 / 22V. At this point the AC
power is returned to the power supply and the BBU starts recharging the batteries.
Input Protection
Battery Current Burden
AC off
Maximum Ripple
Depending on the Battery voltage
Regulation
line (85-230V)
<0.20%
<0.20%
Regulation based on charge current
Protection
Battery Polarity Protection
Battery Over Voltage
Battery Under Voltage
Limited by 4.0A O/P fuse
16V
9.7V
Limited by 4.0A O/P fuse
32V
18.7V
Fuse is blown if battery polarity is reversed
Switches AC input voltage off
Disconnects load from battery
BBU Over Temperature
105°C - 135°C
105°C - 135°C
BBU can turn off if internal temperature is within this range
Charger Short Circuit
Load Short Circuit
Continuous
Continuous
Continuous
Continuous
Auto-restart
Auto-restart
Hold Time
115Vac Input
230Vac Input
46ms
226ms
24ms
190ms
Temperature Range
storage
operating
-20 …. +85 Degrees C
-20 …. +50 Degrees C
-20 …. +85 Degrees C
-20 …. +50 Degrees C
Humidity
storage
operating
20 to 90%
20 to 85% non-condensing
20 to 90%
20 to 85% non-condensing
Galvanic Isolation
input to output
input/output to rail
input to ground
output to ground
3KV
3KV
1.5KV
500V
3KV
3KV
1.5KV
500V
Wire Size
Power Connections
26-12 AWG (0.1-4mm2)
26-12 AWG (0.1-4mm2)
Dimensions (mm)
Control inputs / relay outputs 28-14 AWG (0.5 - 1.5mm2)
28-14 AWG (0.5 - 1.5mm2)
length x width x height
127.5 x 72.5 x 161.0
127.5 x 72.5 x 161.0
950g
950g
Weight
Add 22mm to height for connector and foot
Control inputs
Enable
dry contact/open collector
dry contact/open collector
Connect to COM (enables battery back-up mode).
When disabled the unit functions as a battery charger.
Status outputs
Drain
dry contact/open collector
dry contact/open collector
Momentary input (min. 50mS). Load switches to batteries
until battery voltage drops to battery low level then switches
back to normal operation.
Drain Reset
dry contact/open collector
dry contact/open collector
Momentary input (min. 50mS).
Disables the Drain cycle and switches back to normal
operation.
Battery Status
Form C Relay and LED
Form C Relay and LED
Relay and green LED on when battery is fully charged
Fault
Form C Relay and LED
Form C Relay and LED
Relay is energized and red LED is off when system OK
Charge Current
Full Charge
Battery Reverse
Battery Open
Battery Low
3.0A
Regulates to 13.65V
LED
LED
Yellow LED on below 11V
2.0A
Regulates to 27.3V
LED
LED
Yellow LED on below 22V
O/P fuse protected, red LED on when reversed
Voltage Nominal
12Vdc
24Vdc
Current
15A max
15A max
Current is not limited by BBU. An external current limiting
device must be used to protect battery from short circuit
and exceeding the max. allowable load current.
Surge Current from no load
30A max for 200mS
30A max for 200mS
Timing changes depending on load before surge
CSA, UL pending, and CE
CSA, UL pending, and CE
Mounting
35mm DIN rail
35mm DIN rail
Factory installed mounting foot
Optional mounting
direct panel mount
direct panel mount
User installed mounting brackets (DIN rail foot is removed
and replaced with brackets).
Connections
plug and socket
plug and socket
Chassis Mounting kit catalog number: 7920560000
A temporary short between the “Drain Reset” and “COM” terminals disables
the Drain cycle to the batteries.
A connection between the “Enable” and “COM” terminals enables the BBU.
If terminals are open circuit (Disabled) the BBU functions as a battery charger
only. In the event of AC failure the batteries are not connected to the load
via the BBU. The BBU is factory preset as Enabled.
fuse
inrush current
overvoltage
Notes
Battery Charger
Output
Approvals/Certifications
Miscellaneous
Red LED on when open
approximately 90% of battery voltage
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