Omron S8BA-24D24D960SBF, S8BA-S960L, S8BA-24D24D480SBF, S8BA-S480L User Manual
Uninterruptible Power Supply (UPS)
Control Unit
Battery Unit
S8BA-24D24D□□□SBF
S8BA-S□□□L
User's Manual
S8BA-24D24D480SBF S8BA-S480L
S8BA-24D24D960SBF S8BA-S960L
Introduction
Thank you for purchasing OMRON's Uninterruptible Power Supply (UPS).
This manual contains information that is necessary to use the “Uninterruptible Power Supply (UPS)”.
Read this manual carefully and make sure that you understand the functionality and performance of the
product before using it in your system.
Keep this manual in a safe place where it will be available for reference during operation.
Intended audience
This manual is intended for:
Personnel with knowledge of electric systems (the level of knowledge an electrical engineer has or its
equivalent) and at the same time
• Personnel in charge of introducing FA systems
• Personnel in charge of designing FA systems
• Personnel in charge of installing and connecting FA systems
• Personnel in charge of managing FA systems and facilities
Introduction
Applicable products
This manual covers the following products:
• Uninterruptible Power Supply (UPS) S8BA Series
• S8BA-24D24D480SBF
• S8BA-24D24D960SBF
• S8BA-S480L
• S8BA-S960L
Important notice
• No part of this manual may be copied, reproduced, or used in any form without our permission.
• Please be informed that the specifications may be changed without prior notice for the purpose of
improving the contents of this manual.
• We have checked the content of this manual and believe it to be accurate. However, if you find any
errors or have any questions, contact our sales personnel.
At that time, give the Man. No. (manual number) in the back of your manual.
Trademarks
• System names and product names indicated in this manual are registered trademarks or trademarks
of their respective owners.
S8BA Series Uninterruptible Power Supply (UPS) User’s Manual (U726)
1
Manual Structure
4-9
4 Installation and Wiring
NJ-series CPU Unit Hardware User’s Manual (W500)
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4-3 Mounting Units
The Units that make up an NJ-series Controller can be connected simply by pressing the Units together
and locking the sliders by moving them toward the back of the Units. The End Cover is connected in the
same way to the Unit on the far right side of the Controller.
1 Join the Units so that the connectors fit exactly.
2 The yellow sliders at the top and bottom of each Unit lock the Units together. Move the sliders
toward the back of the Units as shown below until they click into place.
Precautions for Correct UsePrecautions for Correct Use
4-3-1 Connecting Controller Components
Connector
Hook
Hook holes
Slider
Lock
Release
Move the sliders toward the back
until they lock into place.
Level 1 heading
Level 2 heading
Level 3 heading
Level 2 heading
A step in a procedure
Manual name
Special information
Level 3 heading
Page tab
Gives the current
headings.
Indicates a procedure.
Icons indicate
precautions, additional
information, or reference
information.
Gives the numbe
of the main sectio
The sliders on the tops and bottoms of the Power Supply Unit, CPU Unit, I/O Units, Special I/O
Units, and CPU Bus Units must be completely locked (until they click into place) after connecting
the adjacent Unit connectors.
Manual Structure
Page Structure and Icons
The following page structure and icons are used in this manual.
Note This illustration is provided only as a sample. It may not literally appear in this manual.
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S8BA Series Uninterruptible Power Supply (UPS) User’s Manual (U726)
Precautions for Safe Use
Precautions for Correct Use
Additional Information
Special Information
Special information in this manual is classified as follows:
Precautions on what to do and what not to do to ensure safe usage of the product.
Indicates the items to be implemented or avoided when the product is not operating, or to prevent a negative impact on the performance and functions.
Additional information to read as required.
This information is provided to increase understanding or make operation easier.
Manual Structure
References are provided to more detailed or related information.
Points to be Considered Regarding Notations
In this manual, the control unit and battery unit are collectively specified as the "UPS".
The same holds true when "the unit" or "this product" is specified.
Moreover, if the control unit and battery unit are to be indicated individually, they are respectively specified as the "control unit" and "battery unit".
S8BA Series Uninterruptible Power Supply (UPS) User’s Manual (U726)
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Manual Structure
4
S8BA Series Uninterruptible Power Supply (UPS) User’s Manual (U726)
1A
2
3
4
5
6
7
8
1A
2
3
4
5
6
7
8
9
Overview of the product
Preparation
Appendix
I
Installation and connection
Operations
Maintenance and inspection
Using the I/O signal functions
To perform shutdown processing of the devices when a
power failure occurs
Troubleshooting
Table of Contents
Table of Contents
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
5
CONTENTS
CONTENTS
Introduction .............................................................................................................. 1
Manual Structure...................................................................................................... 2
Table of Contents..................................................................................................... 5
Terms and Conditions Agreement ......................................................................... 8
Safety precautions................................................................................................. 10
Regulations and standards................................................................................... 17
Revision History..................................................................................................... 19
Section 1 Overview of the product
1-1 Features of this product ....................................................................................................... 1-2
1-2 Specifications ........................................................................................................................ 1-3
1-3 Procedure from installation to operation ............................................................................ 1-5
Section 2 Preparation
2-1 Unpacking the product ......................................................................................................... 2-2
2-2 Checking the contents .......................................................................................................... 2-3
2-3 Name of each part ................................................................................................................. 2-4
2-4 Diagram of the Input/output circuit block ........................................................................... 2-6
Section 3 Installation and connection
3-1 Installation.............................................................................................................................. 3-2
3-1-1 DIN rail installation...................................................................................................................... 3-4
3-2 Connection............................................................................................................................. 3-5
3-2-1 UPS connection order................................................................................................................. 3-5
3-2-2 Connecting the UPS control unit and battery unit with a battery connection cable .................... 3-6
3-2-3 Connecting a device to the output terminal block ....................................................................... 3-8
3-2-4 Connecting the input power supply to the input terminal block................................................... 3-8
3-2-5 Connecting a cable to the battery terminal block, input terminal block and output terminal block....
3-9
Section 4 Operations
4-1 Checking the operation......................................................................................................... 4-2
4-1-1 LED display................................................................................................................................. 4-2
4-1-2 Backup operation time setting / Battery replacement mode selection switch ............................. 4-5
4-2 Start and stop procedures and basic operation................................................................. 4-6
4-2-1 Start and stop procedures........................................................................................................... 4-6
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S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
CONTENTS
Section 5 Maintenance and inspection
5-1 Inspecting the battery ........................................................................................................... 5-2
5-1-1 Expectancy of the battery ........................................................................................................... 5-2
5-1-2 Estimated backup time ............................................................................................................... 5-2
5-2 Replacing the battery unit .................................................................................................... 5-4
5-2-1 Notification that the battery unit needs to be replaced................................................................ 5-4
5-2-2 Procedure for replacing the battery unit...................................................................................... 5-6
5-3 Cleaning the Unit ................................................................................................................... 5-9
Section 6 To perform shutdown processing of the devices when a
power failure occurs
6-1 The outline on the UPS monitoring software...................................................................... 6-2
6-1-1 UPS monitoring software............................................................................................................ 6-2
6-1-2 How to connect........................................................................................................................... 6-2
Section 7 Using the I/O signal functions
7-1 I/O signal functions ............................................................................................................... 7-2
7-1-1 Type of output signals................................................................................................................. 7-2
7-1-2 Type of input signals................................................................................................................... 7-2
7-1-3 CONTACT port (RJ45 connector)............................................................................................... 7-3
7-1-4 Contact signal ratings ................................................................................................................. 7-3
7-1-5 Contact signal circuit................................................................................................................... 7-3
7-1-6 Precautions and notes for the use of the I/O signal functions .................................................... 7-4
7-1-7 Example of the use of the Contact Signal circuit ........................................................................ 7-4
Section 8 Troubleshooting
8-1 Troubleshooting .................................................................................................................... 8-2
Appendix
A-1 Dimensions ............................................................................................................................A-2
A-2 Characteristic data ................................................................................................................A-5
A-2-1 Derating curve ............................................................................................................................A-5
A-2-2 Overcurrent protection curve ......................................................................................................A-6
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
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Terms and Conditions Agreement
Terms and Conditions Agreement
Warranty, Limitations of Liability
Warranties
z Exclusive Warranty
Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship for a period of twelve months from the date of sale by Omron (or such other period expressed in
writing by Omron). Omron disclaims all other warranties, express or implied.
z Limitations
OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF
THE PRODUCTS. BUYER ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE
PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.
Omron further disclaims all warranties and responsibility of any type for claims or expenses based
on infringement by the Products or otherwise of any intellectual property right.
z Buyer Remedy
Omron’s sole obligation hereunder shall be, at Omron’s election, to (i) replace (in the form originally
shipped with Buyer responsible for labor charges for removal or replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal
to the purchase price of the non-complying Product; provided that in no event shall Omron be
responsible for warranty, repair, indemnity or any other claims or expenses regarding the Products
unless Omron’s analysis confirms that the Products were properly handled, stored, installed and
maintained and not subject to contamination, abuse, misuse or inappropriate modification. Return of
any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies
shall not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice, recommendations or information given orally or in
writing, are not to be construed as an amendment or addition to the above warranty.
See http://www.omron.com/global/ or contact your Omron representative for published information.
Limitation on Liability; Etc
OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY
WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED IN CONTRACT,
WARRANTY, NEGLIGENCE OR STRICT LIABILITY.
Further, in no event shall liability of Omron Companies exceed the individual price of the Product on
which liability is asserted.
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S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
Application Considerations
Suitability of Use
Omron Companies shall not be responsible for conformity with any standards, codes or regulations
which apply to the combination of the Product in the Buyer’s application or use of the Product. At
Buyer’s request, Omron will provide applicable third party certification documents identifying ratings
and limitations of use which apply to the Product. This information by itself is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system, or other application or use. Buyer shall be solely responsible for determining appropriateness of
the particular Product with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR
PROPERTY OR IN LARGE QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE
HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT(S) IS
PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
Terms and Conditions Agreement
Programmable Products
Omron Companies shall not be responsible for the user’s programming of a programmable Product, or
any consequence thereof.
Disclaimers
Performance Data
Data presented in Omron Company websites, catalogs and other materials is provided as a guide for
the user in determining suitability and does not constitute a warranty. It may represent the result of
Omron’s test conditions, and the user must correlate it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.
Change in Specifications
Product specifications and accessories may be changed at any time based on improvements and other
reasons. It is our practice to change part numbers when published ratings or features are changed, or
when significant construction changes are made. However, some specifications of the Product may be
changed without any notice. When in doubt, special part numbers may be assigned to fix or establish
key specifications for your application. Please consult with your Omron’s representative at any time to
confirm actual specifications of purchased Product.
Errors and Omissions
Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical or proofreading errors or omissions.
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
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Safety precautions
WARNING
Caution
If you fail to use the product properly, it may result in injuries, mild
or moderate, and may lead to death. Additionally, there may be
severe property damage.
If you fail to use the product properly, it may result in injuries, mild
or moderate, or damage on property.
Safety precautions
Important information for safe operation is described.
Be sure to read it before installation and start of use.
The safety symbols and their meaning used in this manual are as follows:
*Property damage means damage to houses/household effects, livestock, and pets.
●Meaning of graphical symbols
●General inhibition
Notice prohibiting an unspecified general action.
●General instruction
Notice instructing an unspecified general action.
●Do-not-disassemble prohibition
Notice prohibiting disassembly.
Disassembling the unit may lead to electric shock or other accidents.
●Prohibition of use in locations subject to water such as a bathroom and
shower room.
Notice prohibiting exposure to water.
Using a unit without waterproofing in locations subject to water may
result in accidents due to electric shock.
●Do-not-touch prohibition
Notice prohibiting touching.
Under specific conditions, touching the unit at specific locations could
result in accidents.
Note that events categorized as a caution required matter also may cause more serious results under
certain conditions.
10
The information described here is very important and must be strictly observed.
●Explosion alert
Notice alerting the user to the possibility of explosion under certain conditions.
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
Warning
WARNING
Caution
For use of this product
• Provide safety measures outside the UPS to ensure safety in the entire system even if
the UPS is damaged or an abnormality occurs due to an external factor. Not doing so
may result in serious accidents due to incorrect operation.
Wiring
Do not short between the connector terminals.
• Doing so may result in electric shock.
• The battery unit's protection board may be damaged due to a short-circuit.
• Connect each connection cable to the correct connected device.
• Connect the terminal of each connection cable to the connector port with correct polarity.
• Be sure to follow the connection procedure described in 3-2-2 Connecting the UPS con-
trol unit and battery unit with a battery connection cable on page 3-6.
Safety precautions
When the Battery Unit is Replaced
Dispose of or collect (recycle) the battery unit according to your own rules set for that purpose or as instructed by laws and regulations.
• Do not dispose of it in fire. Otherwise, it could explode.
Caution
For installation and connection
Pay attention to the weight and balance when carrying the unit, and install it in a solid and
stable location.
• Do not drop the battery unit and do not expose it to strong impact. Dropping the unit may
• If you drop the unit, have it inspected and repaired. For repairs, contact our sales person-
Keep plastic package bags out of reach of children.
• Children may suffocate if they place their heads into plastic bags.
result in injury or fire.
nel.
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
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Safety precautions
• Voltage range: 23 to 28 V DC
Be sure to connect the input power supply of the unit to a DC power supply device having a
rated voltage (24 VDC), or a battery power feed system.
• The input voltage ranges for the UPS are as shown below. Check that the output voltage
of the DC power supply device connected to the input terminal of the UPS is within any of
the voltage ranges below.
• Connecting to a DC or AC power supply device with a different voltage may result in malfunction in or damage to the UPS, or cause a fire.
When an abnormality (unusual sound or smell) occurs, turn OFF the unit’s “Power” switch
to stop the output, and stop the supply of commercial power.
To make an emergency stop, turn the rotary switch to "BATT REP" and turn off the input
power after the LED changes from fast blinking to slow blinking.
• When performing maintenance on the connected devices, follow the above instructions
to ensure safety.
When installing the input cable, make sure to perform the connection as specified.
Make sure to stop the primary power supply before connecting the unit to the input power
supply terminal.
• When connecting a cable to the terminal block, use a cable that complies with the input
current specification of the UPS. Failure to do so may result in electric shock or ground
fault.
Do not disassemble, repair, or modify the unit.
• Doing so may cause an electric shock or a fire.
Do not install the unit in other than specified orientations.
• Dropping or toppling the unit may cause injury.
• If you install the unit in an orientation other than specified, the internal temperature may
rise, eventually damaging the UPS or deteriorating the battery.
Do not use the unit at a location where the operating environment temperature is more than
55°C.
• The battery deteriorates rapidly. It may result in fire.
• If the battery's resin separator is damaged, the battery may be short-circuited inside, and
may cause an abnormal heating, smoke, rupture or fire.
• Doing so may cause a failure or malfunction of the unit.
Do not exceed the ranges specified for environmental conditions during use/storage.
Do not install or store the unit in the places listed below.
• Do not store in places where the humidity is lower than 10% or higher than 90%.
• Do not use the unit in places where the ambient temperature is lower than 0°C or higher
than 55°C. (With no condensation)
• Do not use in places where the humidity is lower than 10% or higher than 90%.
• Do not install/store the unit in closed places such as cabinets with no clearance, places
where there is flammable or corrosive gas, places with large amounts of dust, places
exposed to direct sunlight, places exposed to shock or vibration, salty or wet places, or
outdoors.
• Installation or storing the unit in such a place may cause a fire.
When you use plug strip and other plugs to connect additional devices, do not connect
devices that exceed the current capacity of the available plugs.
• The current protection of the unit may operate, which may stop the output.
• The cable heats up, which may cause a fire.
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S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
Safety precautions
Ambient
temperature
Expected
life
*The values in the table are the expected
life under standard use conditions and
are not guaranteed.
25°C 10 years
35°C 6.7 years
45°C 3.7 years
55°C 1.9 years
Do not use a cable with damaged insulation.
Do not pinch or sharply bend the cable.
Do not fold or knot the cable.
• Doing so may cause the cable to be damaged or heated, which may cause an electric
shock or a fire.
• If the cable is damaged, stop using the unit and have the cable repaired.
• For repair, contact our sales personnel.
Do not connect any devices other than rated voltage is 24 VDC.
• The rated output voltage of this unit is 24 VDC.
• Overvoltage or overcurrent may damage the connected devices.
• The output voltage range is 22 to 30 VDC.
All of the included accessories are designed to be used with the unit. Do not use the accessories with other devices.
• Doing so may compromise the safety of devices.
When this product is used in compliance with CE marking, please use under 2 m communication cable.
Do not block the air vents (upper and lower).
• Doing so will cause the internal temperature to rise, which may cause the unit to fail and
the battery to deteriorate.
• During installation, leave a space of 50 mm or more above the top and below the bottom.
Do not connect the RS232C/USB port or the CONTACT port to a LAN device using a LAN
cable.
• Connection to a LAN device may result in malfunction in or damage to the UPS or the
LAN device.
Do not run this unit in parallel.
• Operating this unit in parallel may cause a failure or malfunction.
For use
Do not allow the unit to come in contact with water.
• Doing so may cause an electric shock or a fire.
• Doing so may cause an abnormal heating, smoke, rupture, or fire on the battery.
• If the unit comes in contact with water, immediately stop using it and have it inspected
and repaired. To make an emergency stop, turn the rotary switch to "BATT REP" and turn
off the input power after the LED changes from fast blinking to slow blinking.
• For repair, contact our sales personnel.
When the battery unit is dead, replace it immediately or stop using the unit.
• Continuing the use of it may cause fire or electric shock due to liquid leaks.
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
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Safety precautions
Occasionally, wipe off dust on the input terminal block and the output terminal block with a
dry cloth.
• Accumulated dust may cause a fire.
Before wiping off dust, stop all connected devices and the unit, and stop the supply of commercial power.
The unit will stop after 30 seconds of setting the mode selection/backup operation time
selection switch to "0.5".
Do not use the unit in a closed place and do not cover the unit.
• Doing so may cause abnormal heating or a fire.
If you notice something unusual such as abnormal sound or smell, discoloration, deformation, and heating, turn OFF the unit's power and stop the supply from the input power supply.
To make an emergency stop, turn the rotary switch to "BATT REP" and turn off the input
power after the LED changes from fast blinking to slow blinking.
• Using the unit under such conditions may cause an abnormal heating, rupture or fire.
• If you notice such a condition, stop using the unit and contact our sales personnel for
inspection and repairs.
If fluid leaks from the interior, do not touch the fluid.
• Doing so may cause blindness or burns.
• If the fluid contacts your eyes or skin, wash it out with lots of clean water and consult your
doctor. The fluid may damage your eye if your eye is left untreated.
Do not place any objects on the unit, and do not drop heavy objects onto the unit.
• Doing so may cause distortion/damage to the case or a failure of the internal circuit,
which may cause a fire.
The unit is equipped with an output circuit that can supply power to the connected devices
even if the unit stops due to a failure or mis-operation of the internal circuit function.
If you want to stop the output, stop the source of the “input power supply”.
• Output is continuing even when all indicators of the front panel are off.
When charging the battery, if the battery cannot be charged completely even after the predetermined charging time, turn OFF the "Power" switch of the unit to stop charging the battery.
The unit will stop after 30 seconds of setting the mode selection/backup operation time
selection switch to "0.5".
• Otherwise, it may cause an abnormal heating, smoke, rupture or fire on the battery.
14
For maintenance
When performing maintenance of the connected equipment, turn OFF the unit's power and
stop the supply from the input power supply.
The unit will stop after 30 seconds of setting the mode selection/backup operation time
selection switch to "0.5".
• Even if the input power supply is stopped in the operating state, the power supply output
of the unit will not stop, and power will be supplied from the battery.
Do not disassemble, repair, or modify the unit.
• Doing so may cause an electric shock or a fire.
If fluid leaks from the interior, do not touch the fluid.
• Doing so may cause blindness or burns.
• If the fluid contacts your eyes or skin, wash it out with lots of clean water and consult your
doctor.
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
Do not throw the unit into fire.
• Since the battery is incorporated in the unit, the insulator may melt, the gas exhaust valve
or protection mechanism may be damaged, or the electrolyte may catch fire, and it may
result eventually in an abnormal heating, smoke, rupture or fire.
Do not insert metal objects into the input terminal block and the output terminal block of the
UPS.
• Doing so may result in electric shock.
Do not insert metal objects into the battery connectors. Do not short between the connector
terminals.
• Doing so may result in electric shock.
• The battery unit's protection board may be damaged due to a short-circuit.
When the Battery Unit is Replaced
Do not use other than the designated battery unit.
• Not doing so may cause a fire.
• Product model: S8BA-S480L, S8BA-S960L
Do not replace the battery unit in a place where there is flammable gas.
• Spark may occur when connecting the battery unit, which may cause an explosion or fire.
Safety precautions
If fluid leaks from the battery unit, do not touch the fluid.
• Doing so may cause blindness or burns.
• If the fluid contacts your eyes or skin, wash it out with lots of clean water and consult your
doctor.
Do not disassemble or modify the battery unit.
• A safety mechanism and protection mechanism to prevent danger are embedded into the
battery unit. If these are damaged, it may cause the battery to emit heat, smoke, explode,
or catch fire.
Do not drop the battery unit and do not expose it to strong impact.
Dropping the unit may result in injury or fire.
• Doing so may cause a leakage, abnormal heating, smoke, rupture or fire on the battery
unit. And, if the battery unit's protection mechanism is broken, the battery may be
charged at an abnormal current or voltage, an abnormal chemical reaction may occur
inside the battery, and it may result eventually in an abnormal heating, smoke, rupture or
fire.
Do not short the battery unit with metal objects.
• Doing so could cause an electric shock, fire or burn.
• Some electrical energy still remains inside the spent battery unit.
Do not dispose of battery units in a fire.
• The insulator inside the battery unit may melt, the gas exhaust valve or protection mech-
anism may be damaged, or the electrolyte may catch fire, and it may result eventually in
abnormal heating, smoke, rupture or fire.
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
15
Safety precautions
Important Safety Points
■ Before using
• The battery has not been charged at the time of purchase. Be sure to charge it before use.
• Connect this unit to the input power supply to charge the battery unit.
When moving the unit from a cold place to a warm place, leave it for several hours before using it.
• If the unit is promptly turned ON after being moved to a warmer place, condensation may form inside
the unit and cause it to fail.
Take measures for handling unforeseen accidents, such as data backup and system redundancy.
• The output may stop when there is failure in this unit.
■ Connecting
Do not short the unit output lines together, and do not short the battery connection cable (to ground).
• The unit may fail.
In the event you transfer or sell this unit to a third party, please include all of the documentation that came
with the unit. This is to ensure that the unit is used in line with the conditions described in the included
documentation.
• This manual contains important safety-related information. Please read and understand the contents of
the manual before beginning operation. If this manual is misplaced, download the manual from our
website.
■ Using
Before stopping the commercial power to the unit, turn OFF the “Power” switch of the unit.
The unit will stop after 30 seconds of setting the mode selection/backup operation time selection switch to
"0.5".
• The unit enters Battery Mode when input power supply is stopped.
• If the frequency of backup operation becomes high, the battery life may be significantly reduced.
Do not use for an application that frequently requires Battery Mode.
• The battery unit will deteriorate and fail to maintain the specified backup time.
If you want the UPS to stand by in a UPS startup state, set 3 months or less for the input power supply
stop period.
• The UPS startup state means the state of waiting for startup triggered by a remote ON/OFF or BS signal.
• If the UPS is left unused in the above state for 3 months or longer, the battery goes into overdischarge
state, and the backup time may become shorter or the battery may become unusable.
■ Storing
Storing the battery in UPS for a long term, store at an environment less than 25°C and recharge 15 to 30
minutes the battery within 1 year.
• The battery self-discharges even when it not being used, and it goes into overdischarge state if it is left
for a long period of time. The backup time may become shorter or the battery may become unusable.
• We recommend keeping the temperature 25°C or less when storing the unit for long periods of time.
• Turn OFF the unit’s power when storing it.
Do not install or store the unit in a place exposed to direct sunlight.
• The rise of temperature may cause the battery unit to deteriorate rapidly and become unusable.
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S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
Regulations and standards
Use overseas
To export (or provide to non-residents of Japan) a model of this product that is categorized as a merchandise (or technology) requiring the export permission and approval stipulated by the Foreign
Exchange and Foreign Trade Law, the export permission and approval (or service transaction permission) in accordance with the said law are required.
Conformance to each Directive
z Applicable directives
• EMC Directives
Regulations and standards
z Principles regarding conformance
OMRON electronic devices that comply with EC Directives also conform to the related EMC standards so that they can be more easily built into other devices or the overall machine. The actual
*
products have been checked for conformity to EMC standards
Whether the products conform to the standards in the system used by the customer, however, must
be checked by the customer. EMC-related performance of the OMRON devices that comply with EC
Directives will vary depending on the configuration, wiring, and other conditions of the equipment or
control panel on which the OMRON devices are installed. The customer must, therefore, perform
the final check to confirm that devices and the overall machine conform to EMC standards.
*1. Applicable EMC (Electromagnetic Compatibility) standards are as follows: EMS (Electromagnetic Susceptibil-
ity): EN 61000-6-2, EMI (Electromagnetic Interference): EN 61000-6-4, and EN 61000-6-4 Radiated emission: 10-m regulations
.
z Conformance to EC Directives
This product complies with EC Directives. To ensure that the machine or device in which the this
product is used complies with EC Directives, the product must be installed as follows:
• This product must be installed within a control panel.
• You must use reinforced insulation or double insulation for the direct power supply equipment
connected to this product.
• Models of this product that comply with EC Directives also conform to the Common Emission
Standard. Radiated emission characteristics (10-m regulations), in particular, may vary depending
on the configuration of the control panel used, other devices connected to the control panel, wiring, and other conditions. Therefore, even when using a model of this product that complies with
EC Directives, you must confirm and ensure the compliance to EC Directives of the entire
machine or equipment.
• This is a Class A product (for industrial environments). In a residential environment, it may cause
radio interference. If radio interference occurs, the user may be required to take appropriate measures.
z Conformance to UL
• This product must be installed within a control panel with an internal heater or other unit to protect
against the formation of condensation (Standard mounting only).
• Gaps in the door to the control panel must be completely filled or covered with gaskets or other
material.
• For use in Pollution Degree 2 Environment.
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
17
Regulations and standards
Precautions for Safe Use
• Surrounding Air Temperature, 55°C.
• Make sure to connect the device with Class 2 output to the USB port.
z Conformance to FCC
• FCC CAUTION
Changes or modifications not expressly approved by the party responsible for compliance could
void the user’s authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
This equipment generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his own
expense.
18
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
Revision History
A manual revision code appears as a suffix to the catalog number on the front and back covers of the
manual.
Revision History
U726-E1-01
Revision code
Revision
code
01 March 2018 Original production
Date Revised content
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
19
Revision History
20
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
3
Overview of the product
This section describes the characteristics and specifications of the product.
1-1 Features of this product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1-2 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1-3 Procedure from installation to operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
1 - 1
1 Overview of the product
1-1 Features of this product
• The Uninterruptible Power Supply (UPS) protects such devices as PLC and IPC* from power failures,
voltage variations, and instantaneous voltage drops.
• Under normal conditions, the UPS outputs 24 VDC of electrical power from the DC power supply
as-is. When an abnormality is detected in the 24 VDC power supply such as a power failure and voltage variation, the UPS switches to battery supply to continue to provide 24 VDC of electrical power.
• For the specifications of PLC and IPC for power supply input and operation in the event of momentary power interruptions, check the respective manuals.
*IPC: Industrial PC (Industrial use computer)
List of models
The product has the following models:
Unit model Specifications
S8BA-24D24D480SBF Control unit (480 W)
S8BA-24D24D960SBF Control unit (960 W)
S8BA-S480L Battery unit (for 480 W)
S8BA-S960L Battery unit (for 480 W / 960 W)
Note The control unit (960 W) and battery unit (480 W) cannot be connected.
1 - 2
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
1-2 Specifications
1 Overview of the product
Description Capacity 480 W 960 W
DC input Rated input voltage 24 VDC
Input voltage range 23 to 28 VDC
Input maximum current
Input terminal Push-in terminal block
Input protection Fuse (cannot be replaced by the customer)
Input protection capacity 30 A 60 A
DC output Rated cur-
rent
Switching time Uninterrupted
Output volt-
age
Output terminal Push-in positive terminal block
Overload
protection
Battery unit Type Lithium-ion battery
Rated voltage 25.2 VDC
Rated capacity 3900 mAh 7800 mAh
Battery life expectancy 10 years (25°C), 6.7 years (35°C), 3.7 years (45°C), 1.9 years
Replacement by user Yes (Hot swapping)
Battery Life Counter Function Yes
Charging time
Backup time (25°C, initial characteristics) 6 min. (constant power rated load)
for rated input voltage
for rated loads connected
for rated output voltage 20 A 40 A
Normal operation Input voltage through output 22 to 30 VDC
Backup operation 21 to 28 V (the voltage cannot be adjusted)
Warning display
• UPS output will continue
through bypass [during
normal operation]
• UPS output will continue
through battery [during
backup operation]
Output stopped by overload protection
• Stop output [during normal operation]
• The internal power supply to the UPS will stop
after 10 sec. [during
backup operation]
Warning display cancellation
(During normal operation,
during backup operation)
21.5 A 43.5 A
101% or more
111% or more
93% or more
(55°C)
8 hours (90%)
The backup time can be set from the mode selection / backup
operation time selection switch, or the shutdown software.
*1
1
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
1 - 3
1 Overview of the product
Description Capacity 480 W 960 W
Structure Dimensions (W×H×D mm) 44 × 124 × 111.4 (UPS control
unit 20 A)
80 × 124 × 111.4 (battery unit
20 A)
Weight Weight of control unit Approx. 0.6 kg Approx. 0.7 kg
Weight of battery unit Approx. 1.5 kg Approx. 2.5 kg
Cooling method Natural cooling
Environment Operating environment temperature /
0°C to 55°C / 10% to 90%RH with no condensation
humidity
Storage environment temperature /
−20°C to 55°C / 10% to 90%RH with no condensation
humidity
Vibration resistance JIS C 60068-2-6 compliant
5 to 8.4Hz amplitude: 3.5mm, 8.4 to 150Hz
acceleration rate: 9.8m/s
2
(Sweep time: 10min.×Sweep count 10 times=Total: 100min.)
Shock resistance
JIS C 60068-2-27 compliant: 147m/s
three times
Dielectric
breakdown
voltage
Standard
compliance
Withstand voltage DC external terminals to casing: 510 V AC, 1 minute, leakage
current 5 mA max.
Insulation resistance DC external terminals to casing: 20 MΩ or more. (500 V DC)
Safety standard UL508 / CE / C22.2 No.107.1-01
EMI Radiation disturbance
EN61000-6-4 / FCC / ICES / RCM
field strength
Internal power consumption (normal*2 / maximum)
Serial com-
munication
RS232C (Interface terminal) Yes (RJ45)
USB (Interface terminal)
7 W / 29 W 15 W / 58 W
I/O signal (Interface terminal) Yes (RJ45)
*1. When using in an environment at a high temperature, charging may be paused by charging temperature protection, then
the charging time will be longer than specified time.
*2. Conditions: With rated loads connected, at a rated input voltage, and at a full battery charge.
52 × 124 × 111.4 (UPS control
unit 40 A)
150 × 124 × 111.4 (battery unit
40 A)
X, Y, and Z directions: 100min.
2
X, Y, and Z directions
1 - 4
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
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