Allen-Bradley Power Supply Reference Manual
Allen-Bradley Power Supply 1606-XLS240-UPSE is a 24V DC uninterruptible power supply (UPS) designed for industrial applications. It provides stable power output even during power outages, using a 12V battery for buffering. Its features include temperature-compensated battery charging, comprehensive diagnostic and monitoring functions, and overload protection.
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Reference Manual
1. General Description ............................................1
2. Specification Quick Reference .............................1
3. Catalog Numbers .....................................................1
4. Certification Marks ...................................................1
5. Input ............................................................................3
6. Output in Normal Mode ........................................4
7. Output in Buffer Mode ............................................5
8. Battery Input ..............................................................6
9. Buffer Time ...............................................................7
10. Efficiency and Power Losses .................................8
11. Functional Diagram .............................................8
12. Check Wiring and Battery Quality Tests ............9
13. End-of-Charge Voltage ..........................................9
14. Relay Contacts and Inhibit Input .....................10
15. Front Side User Elements ....................................11
16. Terminals and Wiring ...........................................12
17. Reliability .......................................................... 12
18. EMC ...................................................................... 13
19. Environment ................................................... 14
20. Protection Features .................................... 14
21. Safety .................................................................. 15
22. Certifications ..................................................... 15
23. Environmental Compliance ......................... 16
24. Physical Dimensions and Weight .............. 16
25. Installation Notes ......................................... 17
26. Accessories ........................................................ 18
27. Application Notes ......................................... 19
27.1. Battery Replacement Intervals ...... 19
27.2. Parallel and Serial Use ....................... 20
27.3. Using the Inhibit Input ..................... 21
27.4. Troubleshooting ................................. 21
Bulletin 1606 Switched Mode Power Supplies
Catalog Number: 1606-XLS240-UPSE
Index
• DC UPS—Uninterruptible power supply with DC input.
• Normal mode—Describes a condition where the battery is charged, the input voltage is in range and the output is loaded within the
allowed limits..
• Buffer mode—Describes a condition where the input voltage is below the transfer threshold level, the unit is running on battery (buffering)
and the output is loaded within the allowed limits.
• Charging mode—Describes a condition where the battery is being charged, the input voltage is in range and the output is loaded within the
allowed limits.
• Inhibit mode—Describes a condition where buffering is disabled intentionally by using the inhibit input of the DC UPS (e.g. for service
actions or to save battery capacity).
• Buffer time—Equivalent to the term “hold-up time.”
• T.b.d.—To be defined, value or description will follow later.
Terminology and Abbreviations
1. General Description ............................................1
2. Specification Quick Reference .............................1
3. Catalog Numbers .....................................................1
4. Certification Marks ...................................................1
5. Input ............................................................................3
6. Output in Normal Mode ........................................4
7. Output in Buffer Mode ............................................5
8. Battery Input ..............................................................6
9. Buffer Time ...............................................................7
10. Efficiency and Power Losses .................................8
11. Functional Diagram .............................................8
12. Check Wiring and Battery Quality Tests ............9
13. End-of-Charge Voltage ..........................................9
14. Relay Contacts and Inhibit Input .....................10
15. Front Side User Elements ....................................11
16. Terminals and Wiring ...........................................12
17. Reliability .......................................................... 12
18. EMC ...................................................................... 13
19. Environment ................................................... 14
20. Protection Features .................................... 14
21. Safety .................................................................. 15
22. Certifications ..................................................... 15
23. Environmental Compliance ......................... 16
24. Physical Dimensions and Weight .............. 16
25. Installation Notes ......................................... 17
26. Accessories ........................................................ 18
27. Application Notes ......................................... 19
27.1. Battery Replacement Intervals ...... 19
27.2. Parallel and Serial Use ....................... 20
27.3. Using the Inhibit Input ..................... 21
27.4. Troubleshooting ................................. 21
Bulletin 1606 Switched Mode Power Supplies
Catalog Number: 1606-XLS240-UPSE
Index
• DC UPS—Uninterruptible power supply with DC input.
• Normal mode—Describes a condition where the battery is charged, the input voltage is in range and the output is loaded within the
allowed limits..
• Buffer mode—Describes a condition where the input voltage is below the transfer threshold level, the unit is running on battery (buffering)
and the output is loaded within the allowed limits.
• Charging mode—Describes a condition where the battery is being charged, the input voltage is in range and the output is loaded within the
allowed limits.
• Inhibit mode—Describes a condition where buffering is disabled intentionally by using the inhibit input of the DC UPS (e.g. for service
actions or to save battery capacity).
• Buffer time—Equivalent to the term “hold-up time.”
• T.b.d.—To be defined, value or description will follow later.
Terminology and Abbreviations
All parameters are specified at an input voltage of 24V, 10A output load, 25°C ambient and after a 5 minutes run-in time unless noted otherwise.
It is assumed that the input power source can deliver a sufficient output current.
2 Rockwell Automation Publication 1606-RM013A-EN-P — March 2014
Bulletin 1606 Switched Mode Power Supplies
DC-UPS Control Unit
■ Requires Only One 12V Battery for a 24V Output
■ Allows Batteries Between 17Ah and 130Ah
■ Battery Charging with Temperature Tracking
■ Stable Output Voltage in Buffer Mode
■ Superior Battery Management for Longest Battery Life
■ Comprehensive Diagnostic and Monitoring Functions
■ Replace Battery Signal Included
■ Electronically Overload and Short Circuit Protected
■ 50% Power Reserves
■ 3 Year Warranty
1. Description 2. Specification Quick Reference
Input voltage nom. 24Vdc
range 22.5-30Vdc
Output current min.15A Normal mode
min. 10A Buffer mode
Output voltage typ. 0.23V lower
as input voltage
Normal mode
22.25V Buffer mode, 10A
Allowed batteries 17Ah to 130Ah VRLA lead acid
Temperature range -25 to +50°C
Dimensions 49x124x117mm WxHxD
Buffer time (at 10A) typ. 55 minutes 26Ah battery
typ. 4 hours 100Ah battery
This uninterruptible power supply (UPS) controller
1606-XLS240-UPSE is an addition to standard 24V
power supplies to bridge power failures or
emergency systems which must be kept fully in
operation for e.g. 72 hours.
The DC-UPS includes an internal temperature sensor
and a professional battery management system
which charges and monitors the battery to achieve
the longest battery service life as well as many
diagnostic functions that ensure a reliable operation
of the entire system.
A unique feature of the 1606-XLS240-UPSE is that only
one 12V battery is required to buffer the 24V
output. This makes matching batteries unnecessary
and allows a precise battery charging and testing.
1606-XLS240-UPS
1606-XLS240-UPSD
1606-XLS240-UPSC
1606-XLS240-UPSE
battery
included
1606-XLS240-UPS Series
Related products
larger
battery sizes
additional
12V output
Typical setup of a DC-UPS system:
24V
Power
Supply
12V
Battery
24V
DC-UPS 24V
Load
AC
e.g.:
DC
e.g.: PLC
3. Catalog Numbers 4. Certification Marks
DC UPS 1606-XLS240-UPSE Controller
Accessories 1606-XLSBAT2 Battery module 12V 26Ah
1606-XLSBATBR23 Mounting kit w/o battery
IND. CONT. EQ.
UL 508 UL 60950-1 EMC, LVD
1606-XLB Panel/Wall mount bracket
UL 508
MarineMarine RINAGOST R
C-Tick
It is assumed that the input power source can deliver a sufficient output current.
2 Rockwell Automation Publication 1606-RM013A-EN-P — March 2014
Bulletin 1606 Switched Mode Power Supplies
DC-UPS Control Unit
■ Requires Only One 12V Battery for a 24V Output
■ Allows Batteries Between 17Ah and 130Ah
■ Battery Charging with Temperature Tracking
■ Stable Output Voltage in Buffer Mode
■ Superior Battery Management for Longest Battery Life
■ Comprehensive Diagnostic and Monitoring Functions
■ Replace Battery Signal Included
■ Electronically Overload and Short Circuit Protected
■ 50% Power Reserves
■ 3 Year Warranty
1. Description 2. Specification Quick Reference
Input voltage nom. 24Vdc
range 22.5-30Vdc
Output current min.15A Normal mode
min. 10A Buffer mode
Output voltage typ. 0.23V lower
as input voltage
Normal mode
22.25V Buffer mode, 10A
Allowed batteries 17Ah to 130Ah VRLA lead acid
Temperature range -25 to +50°C
Dimensions 49x124x117mm WxHxD
Buffer time (at 10A) typ. 55 minutes 26Ah battery
typ. 4 hours 100Ah battery
This uninterruptible power supply (UPS) controller
1606-XLS240-UPSE is an addition to standard 24V
power supplies to bridge power failures or
emergency systems which must be kept fully in
operation for e.g. 72 hours.
The DC-UPS includes an internal temperature sensor
and a professional battery management system
which charges and monitors the battery to achieve
the longest battery service life as well as many
diagnostic functions that ensure a reliable operation
of the entire system.
A unique feature of the 1606-XLS240-UPSE is that only
one 12V battery is required to buffer the 24V
output. This makes matching batteries unnecessary
and allows a precise battery charging and testing.
1606-XLS240-UPS
1606-XLS240-UPSD
1606-XLS240-UPSC
1606-XLS240-UPSE
battery
included
1606-XLS240-UPS Series
Related products
larger
battery sizes
additional
12V output
Typical setup of a DC-UPS system:
24V
Power
Supply
12V
Battery
24V
DC-UPS 24V
Load
AC
e.g.:
DC
e.g.: PLC
3. Catalog Numbers 4. Certification Marks
DC UPS 1606-XLS240-UPSE Controller
Accessories 1606-XLSBAT2 Battery module 12V 26Ah
1606-XLSBATBR23 Mounting kit w/o battery
IND. CONT. EQ.
UL 508 UL 60950-1 EMC, LVD
1606-XLB Panel/Wall mount bracket
UL 508
MarineMarine RINAGOST R
C-Tick
All parameters are specified at an input voltage of 24V, 10A output load, 25°C ambient and after a 5 minutes run-in time unless noted otherwise.
It is assumed that the input power source can deliver a sufficient output current.
Rockwell Automation Publication 1606-RM013A-EN-P — March 2014 3
Bulletin 1606 Switched Mode Power Supplies
Intended Use
• This device may only be installed and put into operation by qualified personnel.
• This device is designed for installation in an enclosure and is intended for the general professional use such as in industrial control, office,
communication, and instrumentation equipment.
• Do not use this power supply in aircraft, trains, nuclear equipment or similar systems where malfunction may cause severe personal injury or
threaten human life.
It is assumed that the input power source can deliver a sufficient output current.
Rockwell Automation Publication 1606-RM013A-EN-P — March 2014 3
Bulletin 1606 Switched Mode Power Supplies
Intended Use
• This device may only be installed and put into operation by qualified personnel.
• This device is designed for installation in an enclosure and is intended for the general professional use such as in industrial control, office,
communication, and instrumentation equipment.
• Do not use this power supply in aircraft, trains, nuclear equipment or similar systems where malfunction may cause severe personal injury or
threaten human life.
All parameters are specified at an input voltage of 24V, 10A output load, 25°C ambient and after a 5 minutes run-in time unless noted otherwise.
It is assumed that the input power source can deliver a sufficient output current.
4 Rockwell Automation Publication 1606-RM013A-EN-P — March 2014
Bulletin 1606 Switched Mode Power Supplies
5. Input
Input voltage nom. DC 24V
Input voltage ranges nom. 22.5 to 30Vdc Continuous operation, see Fig. 5-1
30 to 35Vdc Temporarily allowed, no damage to the DC-UPS *)
35Vdc Absolute maximum input voltage with no damage to the
DC-UPS
0 to 22.5Vdc The DC-UPS switches into buffer mode and delivers
output voltage from the battery if the input was above
the turn-on level before and all other buffer conditions
are fulfilled.
Allowed input voltage ripple max. 1.5Vpp Bandwidth <400Hz
1Vpp Bandwidth 400Hz to 1kHz
Allowed voltage between input
and earth (ground)
max. 60Vdc or
42.4Vac
Turn-on voltage typ. 22.8Vdc The output does not switch on if the input voltage does
not exceed this level.
max. 23Vdc
Input current **) typ. 120mA Internal current consumption for the DC-UPS
typ.
max.
2.0A
2.7A
Current consumption for battery charging ***)
External capacitors on the input No limitation
*) The DC-UPS shows “Check Wiring” with the red LED and buffering is not possible.
**) The total input current is the sum of the output current, the current which is required to charge the battery during the
charging process and the current which is need ed to supply the DC-UPS itself. See also Fig. 5-2 . This calculation does not apply
in overload situations where the DC-UPS limits the output current, therefore see Fig. 5-3.
***) Please note: This is the input current and not the current which flows into the battery during charging. The battery current can
be found in section 8.
Fig. 5-1 Input voltage range Fig. 5-2 Input current, definitions
A: Rated input voltage range
B: Temp. allowed, no harm to the unit
C: Absolute max. input voltage
D: Buffer mode
V IN
18 30 35V22.50
A B CD
V OUT
Internal
current
consumption
Current
consumption
for battery
charging
Output
Current
Input
Current
Fig. 5-3 Input current and output voltage vs.
output current, typ. (battery fully charged)Electric output current limitation
The DC-UPS is equipped with an electronic output
current limitation. This current limitation works
in a switching mode which reduces the power
losses and heat generation to a minimum. As a
result, the output voltage drops since there is not
enough current to support the load. A positive
effect of the current limitation in switching mode
is that the input current goes down despite an
increase in the output current resulting in less
stress for the supplying source.
0 0
5
10
15
20A
Output Current
4 8 12 20A
Output Voltage
15
20V
Overload
Input Current
10
It is assumed that the input power source can deliver a sufficient output current.
4 Rockwell Automation Publication 1606-RM013A-EN-P — March 2014
Bulletin 1606 Switched Mode Power Supplies
5. Input
Input voltage nom. DC 24V
Input voltage ranges nom. 22.5 to 30Vdc Continuous operation, see Fig. 5-1
30 to 35Vdc Temporarily allowed, no damage to the DC-UPS *)
35Vdc Absolute maximum input voltage with no damage to the
DC-UPS
0 to 22.5Vdc The DC-UPS switches into buffer mode and delivers
output voltage from the battery if the input was above
the turn-on level before and all other buffer conditions
are fulfilled.
Allowed input voltage ripple max. 1.5Vpp Bandwidth <400Hz
1Vpp Bandwidth 400Hz to 1kHz
Allowed voltage between input
and earth (ground)
max. 60Vdc or
42.4Vac
Turn-on voltage typ. 22.8Vdc The output does not switch on if the input voltage does
not exceed this level.
max. 23Vdc
Input current **) typ. 120mA Internal current consumption for the DC-UPS
typ.
max.
2.0A
2.7A
Current consumption for battery charging ***)
External capacitors on the input No limitation
*) The DC-UPS shows “Check Wiring” with the red LED and buffering is not possible.
**) The total input current is the sum of the output current, the current which is required to charge the battery during the
charging process and the current which is need ed to supply the DC-UPS itself. See also Fig. 5-2 . This calculation does not apply
in overload situations where the DC-UPS limits the output current, therefore see Fig. 5-3.
***) Please note: This is the input current and not the current which flows into the battery during charging. The battery current can
be found in section 8.
Fig. 5-1 Input voltage range Fig. 5-2 Input current, definitions
A: Rated input voltage range
B: Temp. allowed, no harm to the unit
C: Absolute max. input voltage
D: Buffer mode
V IN
18 30 35V22.50
A B CD
V OUT
Internal
current
consumption
Current
consumption
for battery
charging
Output
Current
Input
Current
Fig. 5-3 Input current and output voltage vs.
output current, typ. (battery fully charged)Electric output current limitation
The DC-UPS is equipped with an electronic output
current limitation. This current limitation works
in a switching mode which reduces the power
losses and heat generation to a minimum. As a
result, the output voltage drops since there is not
enough current to support the load. A positive
effect of the current limitation in switching mode
is that the input current goes down despite an
increase in the output current resulting in less
stress for the supplying source.
0 0
5
10
15
20A
Output Current
4 8 12 20A
Output Voltage
15
20V
Overload
Input Current
10
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
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Key Features
- 24V DC UPS
- 12V Battery
- Buffering
- Temperature Compensation
- Diagnostic & Monitoring
- Overload Protection
Related manuals
Frequently Answers and Questions
What is the input voltage range of this power supply?
The input voltage range is 22.5 to 30Vdc.
What is the buffer time with a 26Ah battery?
The typical buffer time with a 26Ah battery at 10A output current is 55 minutes.
How do I disable buffering?
You can disable buffering by using the inhibit input.
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