ECKELMANN UA 410 L Series User manual

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Documentation Version 3.1
Operating instruction
Temperature Data Logging Controller UA 410 L

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Eckelmann AG
Business Unit Refrigeration and Building Automation
Berliner Straße 161
65205 Wiesbaden
Germany
Telephone [phone]
Fax [phone]
[email protected]
www.eckelmann.de
Board of Management: Dipl.-Ing. Peter Frankenbach (Spokesman),
Dipl.-Wirtsch.-Ing. Philipp Eckelmann, Dr.-Ing. Marco Münchhof, Dr.-Ing. Frank Uhlemann
Chairman of the Supervisory Board: Hubertus G. Krossa
Deputy Chairman of the Supervisory Board: Dr.-Ing. Gerd Eckelmann
Registration court / registration number
District court Wiesbaden, HRB 12636
Before commissioning and use, please check that this is the latest version of the document. With the
publication of a new version of the documentation, all previous versions lose their validity. The current
operating manual and information such as data sheets, more detailed documentation and FAQs are available
for you on-line in E°EDP (Eckelmann ° Electronic Documentation Platform) at
www.eckelmann.de/elds
https://edp.eckelmann.de/edp/lds/_Y2OqwfWgBx
Information on safety and connection instructions are described in detail in chapter ”Industrial safety notes”.
Copyright: All rights to any use whatever, utilisation, further development, forwarding and creation of copies
remain with the Eckelmann AG company. In particular, neither the contract partners of Eckelmann AG nor other
users have the right to distribute or market the IT programs/program parts or modified or edited versions
without express written permission. To some extent, names of products/goods or designations are protected for
the respective manufacturer (registered trademarks etc.); in any case, no guarantee is assumed for their free
availability/permission to use them. The information provided in the description is given independently of any
existing patent protection or other third-party rights.
Errors and technical modifications are expressly reserved.

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Table of Contents
1 Conventions............................................................................................................................................8
1.1 Warning signs, symbols and text formatting used in this manual....................................................8
1.2 Explanation of text formatting ..............................................................................................................9
2 Safety instructions ...............................................................................................................................10
2.1 Disclaimer in the event of non-compliance ....................................................................................... 11
2.2 Requirements for the personnel ......................................................................................................... 11
2.3 Intended use .........................................................................................................................................12
2.4 Five safety rules according to DGUV Regulation 3...........................................................................12
2.5 Electrostatic-sensitive components and control components (ESD).............................................13
2.5.1 ESD - Rules for handling and working ...................................................................................................13
2.6 Abbreviations used ..............................................................................................................................13
3 System Design of UA 410 L .................................................................................................................14
3.1 Application............................................................................................................................................14
3.2 Hardware ...............................................................................................................................................15
4 Application of UA 410 L .......................................................................................................................16
4.1 Versions ................................................................................................................................................16
4.2 Controller type......................................................................................................................................17
4.3 Updating firmware................................................................................................................................17
5 Function of UA 410 L............................................................................................................................18
5.1 Starting characteristics .......................................................................................................................18
5.1.1 First start- reset controller to factory settings .........................................................................................18
5.1.2 Restart - restart of the controller.............................................................................................................18
5.2 Selection of the temperature sensors ................................................................................................19
5.2.1 Required and optional sensors...............................................................................................................20
5.3 Controller function ...............................................................................................................................20
5.3.1 Cooling (solenoid valve) .........................................................................................................................20
5.3.1.1 Temperature control (with recording)......................................................................................................21
5.3.1.2 Emergency operation .............................................................................................................................21
5.3.1.3 Temperature recording ...........................................................................................................................22
5.3.2 Defrosting ...............................................................................................................................................23
5.3.3 Monitoring...............................................................................................................................................24
5.3.4 Archiving operating data.........................................................................................................................25
5.3.4.1 Temperature recording to EU Regulation 37/2005.................................................................................25
5.3.4.2 Temperature recording to EU Regulation DIN EN 12830.......................................................................26
5.3.5 Real time clock .......................................................................................................................................29
5.3.6 BT 30 temperature display .....................................................................................................................29

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6 Installation und Inbetriebnahme UA 410 L.........................................................................................31
6.1 Installation ............................................................................................................................................31
6.1.1 DIN rail mounting of the Temperature Data Logging Controller .............................................................32
6.1.1.1 Mounting on the DIN rail.........................................................................................................................33
6.1.1.2 Disassembling from the DIN rail.............................................................................................................35
6.1.2 Handling of the spring terminals.............................................................................................................36
6.2 Basic settings .......................................................................................................................................37
6.2.1 Setting CAN bus address .......................................................................................................................38
6.2.2 Setting the controller type.......................................................................................................................39
6.3 Terminal assignment for 230 V AC power supply .............................................................................40
6.3.1 Status LEDs ...........................................................................................................................................41
6.4 Basic configuration of the controller .................................................................................................42
6.4.1 Naming of the controller .........................................................................................................................45
6.5 Maintenance and battery replacement ...............................................................................................45
6.6 Firmware Update ..................................................................................................................................47
6.6.1 Requirements for firmware update.........................................................................................................48
6.6.2 Installing firmware update ......................................................................................................................50
6.6.2.1 Update for controller with 9-pole DIP switch ..........................................................................................50
6.6.2.2 Update for controller with 8-pole DIP switch ..........................................................................................53
6.6.3 Rectification of driver problems..............................................................................................................57
7 Pin and Terminal Assignments of UA 410 L ......................................................................................58
7.1 Terminal diagram..................................................................................................................................58
7.2 Terminal assignment of the 230 V AC power supply ........................................................................59
7.3 Terminal assignment of the 230 V AC relay outputs.........................................................................60
7.4 Mode of operation of the relay and transistor outputs.....................................................................61
7.5 Terminal assignment of the 230 V AC digital inputs .........................................................................62
7.6 Terminal assignment of the 0..10 V analogue outputs .....................................................................63
7.7 Terminal assignment of the CAN bus terminals................................................................................64
7.8 Terminal assignment of the 24 V DC transistor outputs ..................................................................65
7.9 Terminal assignment of the DISPLAY interface.................................................................................66
7.10 Terminal assignment of the 4..20 mA analogue inputs.....................................................................67
7.11 Terminal assignment of the analogue inputs of temperature sensors ...........................................68
7.12 Terminal assignment of the USB interface ........................................................................................69
7.13 Terminal assignment of the CI 320/TTY interface .............................................................................70
8 Operation of UA 410 L..........................................................................................................................71
8.1 Operation possibilities.........................................................................................................................71
8.2 Local operation with a BT 300 x operator interface ..........................................................................72
8.2.1 Lock-down of the setpoint change..........................................................................................................73

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8.3 Remote control via a terminal .............................................................................................................74
8.3.1 Menus and operating screens................................................................................................................75
8.3.2 Calling the controller menu via remote control.......................................................................................78
8.3.2.1 System Centre........................................................................................................................................78
8.3.2.2 Store computer CI 3x00 / operator terminal AL 300 ...............................................................................79
8.3.3 Deactivating the input lock-down............................................................................................................80
8.3.3.1 System centres.......................................................................................................................................80
8.3.3.2 Store computer CI 3x00 / operator terminal AL 300 ...............................................................................80
8.3.4 Activating service mode .........................................................................................................................81
8.3.4.1 System centre - service mode................................................................................................................81
8.3.4.2 Store computer CI 3x00 .........................................................................................................................81
9 Menu Structure of UA 410 L ................................................................................................................82
9.1 Controller type UA 410 L – Menu tree (Rx.1 to Rx.0).........................................................................83
9.2 Main menu.............................................................................................................................................84
9.3 Menu 1 Actual Value.............................................................................................................................85
9.4 Menu 2 Setpoints..................................................................................................................................85
9.5 Menu 3 Clock ........................................................................................................................................86
9.6 Menu 4 Messages.................................................................................................................................87
9.7 Menu 5 Archive .....................................................................................................................................88
9.8 Menu 6 Configuration ..........................................................................................................................89
10 Decommissioning and disposal .........................................................................................................91
10.1 Decommissioning / Dismantling.........................................................................................................91
10.2 Disposal ................................................................................................................................................91
11 Alarms and Messages of UA 410 L.....................................................................................................92
11.1 Alarm signaling and monitoring .........................................................................................................93
11.1.1 High or low temperature alarm...............................................................................................................93
11.1.2 Disabling high or low temperature alarm................................................................................................93
11.1.3 No defrost alarm.....................................................................................................................................93
11.1.4 Sensor break alarm ................................................................................................................................94
11.1.5 Hardware fault alarm ..............................................................................................................................94
11.1.6 Alarm routes ...........................................................................................................................................94
11.2 Messages ..............................................................................................................................................95
11.2.1 Transient alarms and messages ............................................................................................................95
11.2.2 Message log ...........................................................................................................................................95
12 Specifications of UA 410 L ..................................................................................................................96
12.1 Electrical data .......................................................................................................................................96
12.2 Mechanical data....................................................................................................................................98
12.3 Mechanical data of the temperature sensor L243 / 5K3A1...............................................................99

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13 Order numbers and accessories of UA 410 L..................................................................................100
13.1 Case Controller...................................................................................................................................100
13.2 Accessories ........................................................................................................................................100

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1 Conventions
1.1 Warning signs, symbols and text formatting used in this manual
Explanation of the warning signs, symbols and text formatting used in this operating and service manual:
•DANGER
•WARNING
•CAUTION
* If any of these symbols DANGER/WARNING/CAUTION is recognized, the user must refer to the operating
manual in order to understand the type of potential HAZARD and the required actions for avoiding the
HAZARD. Carefully observe all health and safety instructions and use particular caution in these situations.
Failure to observe the DANGER/WARNING/CAUTION symbols will cause injury (in the worst case,
severe injury or death) and/or damage to property!
•ATTENTION
•NOTICE
DANGER
Instructions with this symbol and/or the signal word DANGER warn the user of situations that will
cause severe injury or death if the specified instructions are not observed! *

WARNING
Instructions with this symbol and/or the signal word WARNING warn the user of situations that may
cause severe injury or death if the specified instructions are not observed! *

CAUTION
Instructions with this symbol and/or the signal word CAUTION warn the user of situations that may
cause moderate or minor injury if the specified instructions are not observed! *

ATTENTION
Instructions with this symbol and/or the signal word ATTENTION warn the user of situations that may
cause damage to property if the specified instructions are not observed! The ATTENTION symbol
highlights guidelines and regulations, instructions and proper working procedures that must be
particularly observed in order to prevent damage to and destruction of components or malfunctioning.
Failure to observe the ATTENTION symbol will cause damage to property!

NOTICE
Instructions with this symbol and/or the signal word NOTICE provide tips and useful additional
information.
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•ELECTRIC SHOCK
Risk of fatal electric shock!
This symbol warns of danger from dangerous voltage with possible consequences such as severe injury and death. If this
symbol is seen, the user must refer to the operating manual in order to understand the type of potential HAZARD and the required
actions for avoiding the HAZARD. Carefully observe all health and safety instructions and use particular caution in these
situations.
Failure to observe the WARNING symbol will cause injury (in the worst case, severe injury or death) and/or damage to
property!
•ESD - Electrostatic-sensitive components and control components
•DISPOSAL
Potential negative impact on people and the environment due to non-environmentally friendly disposal.
The strike-through dustbin symbol indicates the duty to dispose of items properly. Do not dispose of this product with other
domestic waste. Please inform yourself about the local regulations for the separate disposal of electrical and electronic products.
The correct disposal of your old equipment protects people and the environment from possible negative impact.
DISPOSAL symbol will cause damage to people and the environment!
1.2 Explanation of text formatting
Safety instructions or hazard warnings are composed of four elements:
1. The symbol with text (e.g. for DANGER),
2. a concise description of the hazard and
3. a description of the possible consequences.
4. Where applicable, a catalogue with measures for avoiding the hazard.
For example:
A general instruction consists of two elements:
1. The symbol with text (including NOTICE, if applicable) and
2. the text of the instruction:
For example:
Risk of destruction of the control component / controller!
Electronic components and control components (e.g. circuit boards) are sensitive to electrostatic charges. Circuit boards may only
be replaced when the power supply is disconnected. Always hold circuit boards by the edges. The guidelines for the handling of
electrostatic-sensitive components and control components must be observed at all times.
Failure to observe the ESD symbol will cause damage to property!
Failure to observe the
DANGER
Warning of dangerous electrical voltage! Risk of fatal electric shock!
Beware of external voltage at the digital inputs and outputs! Connections/plug connectors of the device
may only be plugged in, removed and/or wired when no voltage is present.

NOTICE
The current operating manual is available online from the E°EDP (Eckelmann ° Electronic
Documentation Platform) at www.eckelmann.de/elds.
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2 Safety instructions
This operating manual is part of the device. It must be kept in the vicinity of the controller as well as for future
use so that it can be consulted when required. The operating manual must be available to the operating and
maintenance personnel at all times in order to avoid operating errors. The safety regulations, instructions and
information must be strictly observed and complied with. During repairs on the entire E*LDS system, the
accident prevention regulations and general safety regulations must be strictly complied with. Important
information (safety instructions and hazard warnings) are indicated by appropriate symbols, see chapter
Conventions. Follow these instructions in order to prevent accidents and danger to life and limb, as well as
damage to the E*LDS system!
Always observe the following information:
• Work on the electrical system may only be performed by authorised, skilled personnel (according to the
definition of skilled persons in DIN/VDE 0105 and IEC364) while observing the applicable
- VDE regulations
- Local safety regulations
-Intended Use
- Five safety rules according to DGUV Regulation 3
- ESD measures
- Operating manuals
•For safety reasons, the equipment must not be used for any applications other than described in the
operating manual and only for the intended use.
•Before using the device, check whether it is suitable for your application with regard to its limit values.
•The equipment must be installed in an electrically shielded area within the switch cabinet.
•Before connecting the device, it must be checked whether the power supply is suitable for the device.
•When using uncoded plug connectors, it is possible to connect them so that there is a danger to life and
limb! If this cannot be ruled out, coded plug connectors must be used.
•Specified ambient conditions (e.g. humidity and temperature limits, see chapter Technical Data) must be
observed and complied with at all times to prevent malfunction.
•Before switching on the device, check the correct wiring of the connections.
•The device must never be operated without its housing. Before opening the housing, the device must be
de-energised.
•Note the maximum load of the relay contacts, see chapter Technical Data.
•Note that all supply lines from and to the device, particularly those of the CAN bus and Modbus, must be
shielded or installed sufficiently far away from live cables. This prevents faulty measurements and protects
the device against electrical interference via the analogue inputs. Connection in parallel of RC elements is
recommended for applications with critical environment.
•Contact the supplier in the case of any malfunction.
DANGER
Warning of dangerous electrical voltage! Danger of electric shock!
Beware of external voltage at the digital inputs and outputs! Connections/plug connectors of the device
may only be plugged in, removed and/or wired when no voltage is present.


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2.1 Disclaimer in the event of non-compliance
These operating instructions contain information on the commissioning, function, operation and maintenance
of the controls and of the associated components.
2.2 Requirements for the personnel
Special technical knowledge is required for planning, programming, installation, putting into service and
maintenance work. This work may only be performed by skilled, specially trained personnel. The installation,
putting into service and maintenance personnel must have training that authorises them to perform
interventions in the system and the automation system. The planning and programming personnel must be
familiar with the safety concepts of automation technology. Working on electrical systems requires special
technical knowledge. Work on electrical systems may only be performed by instructed electrically skilled
persons or under the guidance or supervision of such persons. The applicable regulations (e.g. DIN EN 60204,
EN 50178, DGUV Regulation 3, DIN-VDE 0100/0113) must be observed. The operating personnel must be
instructed in how to handle the system / machine and the controller and must be familiar with the operating
instructions.
WARNING
Warning of damage to goods and fire!
1. In our experience, the transmission of fault messages is not yet functional during the putting into
service (no internet connection, no telephone line installed, etc.). It is strongly recommended in
such cases to monitor the controller via the CAN bus using a system centre, a store computer or an
operator terminal and to enable the transmission of fault messages, for example using a GSM
modem via a mobile telephone system. In standalone operation, or as an alternative to monitoring
via system centre / store computer / operator terminal, an available alarm contact on the controller
must be used to enable the transmission of fault messages via a telephone network.
2. For fire safety, the system design must include a suitable shut-down device in the event of
excessive temperatures (high temperature circuit breaker) at the defrosting heater.

For more information, refer to E*LDS basics, safety instructions, CAN bus & Modbus.

Observance of these operating instructions is a prerequisite for safe and trouble-free operation.
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2.3 Intended use
This control system may only be used for the purpose for which it is intended:
The UA 410 L control system has been designed for use as case controller in commercial and industrial
refrigeration systems with the intended functional scope as described in these operating instructions, and it is to
be used under the environmental conditions in these instructions.
Read the safety instructions and the instructions for installation and putting into service, operation and
maintenance. THEN start the commissioning and/or operation of the machine / system.
The safety and functionality of the machine / system are only guaranteed for this intended application.
Never use the machine / system, its components, control components or parts for any other purpose.
The system must not be put into operation until conformity with the applicable EU Directives has been
established for the entire system.
2.4 Five safety rules according to DGUV Regulation 3
The following rules must be strictly observed!
1. Disconnect: The entire system to be worked on must be disconnected from the power supply at all poles.
2. Secure against reconnection: Attach information signs to the disconnected operating equipment stating:
•What has been disconnected.
•Reason for the disconnection.
•Name of the person who made the disconnection.
•Reconnection must be prevented using a suitable lock (e.g. padlock).
3. Prove dead (authorised skilled personnel only):
•Check voltmeter just before use.
•Prove dead on all poles at the disconnection point.
•Prove dead on all poles at the work area.
4. Ground and short-circuit: All electrical parts at the work area must be grounded and then short-
circuited.
5. Cover or block off adjacent live parts: If there is live equipment adjacent to the work area, it must be
covered using appropriate materials (e.g. insulation blankets / plates).
DANGER
Warning of dangerous electrical voltage! Warning of dangerous electrical voltage! Danger of
electric shock!
Beware of a possible external power supply! BEFORE connecting and disconnecting it must be
checked that no voltage is present at the controller! Connections/plug connectors of the device may
only be plugged in, removed and/or wired when no voltage is present.


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2.5 Electrostatic-sensitive components and control components (ESD)
All electrostatic-sensitive components and control components (referred to as "ESD" below) are labelled with
the warning sign shown. Electrostatic charges arise from friction of insulating materials (e.g. floor covering,
items of clothing made of synthetic fibres etc.). Even small charges can result in damage to or destruction of
components. Such damage is not always immediately noticeable; in some cases, it does not lead to failure until
after a certain operating time.
2.5.1 ESD - Rules for handling and working
Transport and store ESDs only in the protective packaging provided.
Avoid materials that may produce electrostatic discharge, for example
•Plastic containers and table tops
•Synthetic fibre clothing
•Plastic-soled shoes
•Plastic file covers
•Styrofoam packaging
•Computer monitors, etc.
Preferably wear the following:
•Cotton work clothes
•ESD shoes with conductive soles or leather soles
Use the following:
•Conductive flooring
•ESD workstations equipped with suitable tools (grounded soldering guns, antistatic wrist straps, etc.)
•Conductive ESD bags, conductive plastic containers, IC tubes or cartons lined with conductive foam
•Containers and worktops made of wood, metal or conductive plastics or paper bags
2.6 Abbreviations used
•DGUV Regulation 3 - Accident Prevention Regulation for Electrical Systems and Equipment
(previously: BGV A3 - Employer’s Liability Association Regulation for Occupational Health and Safety)
• DIN Deutsches Institut für Normung e.V. (German Standardisation Institute)
• ESD Electrostatic-Sensitive Device
• ESD Electro-static discharge (Electro Sensitive Devices)
• IEC International Electric Committee
• VDE Verband der Elektrotechnik Elektronik Informationstechnik e.V. (German Association for Electrical,
Electronic and Information Technologies)
ATTENTION
Risk of destruction of the control component / controller! Electronic components
and control components (e.g. circuit boards) are sensitive to electrostatic
charges. Therefore, the guidelines for handling electrostatic-sensitive components
and control components must be strictly observed.
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3 System Design of UA 410 L
Figure: UA 410 L - full configuration
3.1 Application
The UA 410 L AC temperature recording controller is based on the UA 400 hardware and has been developed
for use as a temperature recording controller of up to 10 temperature measurement points. In addition to the
recording function, it is also possible to control and defrost the first five sensors, so that a total of five
refrigeration points can be regulated independently of each other. The UA 410 L AC can be used for
temperature recording in accordance with the EU DIN EN 12830 Directive. Here, the controller is integrated in
the E*LDS system but it also offers the redundant temperature recording required by the standard. In order to
fully utilise its performance features the controller is typically connected to the CAN bus, through which it
communicates with further control and monitoring components across the entire network. Via the CAN bus an
intelligent data exchange is carried out with the following system components:
•System Centre / Store computer: Archiving of the operating data as well as alarm and message
management, Connection to E*LDSWin for analysis, configuration and evaluation
•Pack controller: Data exchange between the E*LDS components
•Refrigeration point controller: Data recording between the E*LDS components
A BT 300 x Operator Interface and one to four BT 30 Temperature Displays can be connected to the controller
when required. Electrical connections are described in Section – Pin and Terminal Assignments.

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3.2 Hardware
The temperature recording controller is housed in a plastic casing for DIN rail mounting. Up to 99 case
controllers can be used within the E*LDS system. As required, a BT 300 x Operator Interface and up to 4 BT 30
Temperature Displays can be connected. For a firmware update, the controller can be connected to a laptop or
PC via the USB interface. The application range of the temperature recording controller is described in more
detail in chapter Controller type. The following diagram illustrates the system architecture of the UA 410 L AC
temperature recording controller (complete):
Ports
•CAN bus: Communication in E*LDS-System, new version
•DISPLAY: Connection for BT 300x Operator Interface and up to four BT 30 Temperature Displays
•CI 320: Communication with LDSWin software / Connection to the legacy system CI 320
•USB: For conducting a firmware update
Inputs/outputs
•4 digital inputs 230 V AC, floating
•10 analog inputs Connection for two-wire NTC temperature sensors
•Only UA 410 AC:2 x analogue inputs 4..20 mA - currently without function
Outputs
•3 relay output 230 V AC / 6 A (changeover)
•4 relay outputs 230 V AC / 6 A (N.O.)
•2 transistor outputs 24 V DC / 50 mA (for lighting control and frame heater)
•Only UA 410 AC:2 x analogue outputs 0..10 V DC - currently without function
Real-time clock
•Battery-backed, lithium cell
For precise details of the UA 410 L AC see chapter Versions. The connection and terminal
configurationsare described in the chapter Pin and Terminal Assignments of UA 410 L.
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4 Application of UA 410 L
4.1 Versions
The UA 410 L is only available in the AC variant and has the following features:
UA 410 L AC
(complete design)
For DIN rail mounting
For integration in the CAN bus of the E*LDS system
Replacement controller for UA 300 L
Replacement controller for the LDS1 system
(connection to the LDS1 system proceeds via the CI320 interface)
Suitable for stand alone operation
With integrated real-time clock (lithium cell power reserve)
With integrated archive memory for data recording
2 analogue inputs 4..20 mA (currently without function)
2 analogue outputs 0..10 V (currently without function)
Abbreviations used
•AC stands for All in one and Cabinet/DIN rail mounting (All = with CAN bus and real-time clock, i.e. C =
cabinet mounting).
* Special feature: The controller is available in two device generations; the DIP switch provides a
quick distinguishing feature:
1st generation: since 2011 (8-way DIP switch)
2nd generation: from Oct. / Nov. 2018 (9-way DIP switch)
Note: The range of functions described in this operating manual refers to both device generations.
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4.2 Controller type
Temperature recording controller UA 410 L Case Controller:
Controller type Application
UA 410 L Temperature Data Logging Controller for maximum 10 temperature sensors
(with the option of on-off control/defrosting of five independent refrigeration points for the first five sensors).
For definition of the basic control action, only one controller type can be set, which is set using the DIP
switch S3.
Special feature: Two device generations are available. The DIP switch S3 provides a quick distinguishing
feature:
Characteristic: 9-pole DIP switch Characteristic: 8-pole DIP switch
Only the controller type "UA 410 L" is available for the UA 410 L:
Set controller type DIP switch S3 (switch positions of the coding switches 1 .. 9)
123456789
UA 410 L OFF OFF OFF OFF OFF OFF OFF OFF ON
Selection of controller type defines the controller properties and basic controller settings. The UA 410 L
Temperature Data Logging Controller can be operated by:
•Host computer e.g. via network / modem with connection to the system centre / store computer,
•the system centre, a store computer or an operator terminal,
•a local operator interface BT 300 via the DISPLAY interface on the controller or
•a notebook (PC) with the PC-software LDSWin connected via USB.
4.3 Updating firmware
The case controller is supplied with the current firmware, ready for operation. Future software versions can
be loaded into the case controller as required by means of a firmware update, and thus updated.
Operation with an unsupported DIP switch setting is not permitted. In the event of change of the
controller type, all parameters are reset to their factory settings!

Danger data loss! In some cases a change of firmware version can lead to the loss of all the setpoints
in the case controller.
As a precaution, the settings must be backed up by saving them to the LDSWin PC software, prior to
the update. After the firmware update the backup settings can be reloaded into the controller from
LDSWin.
A software update is only to be carried out by trained staff or factory-side by the manufacturer. More
details on firmware updates can be found in chapter Firmware Update.


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5 Function of UA 410 L
5.1 Starting characteristics
The following are distinguished for any start-up of the controller:
•First start
•Restart
5.1.1 First start- reset controller to factory settings
The first start can be initiated using the following procedure:
1. Disconnect controller from the power supply for safety reasons (make a note of the DIP switch S3 settings
(e.g. OFF-ON-OFF-...).
2. Adjust settings at the DIP switch S3 (e.g. OFF-OFF-OFF-...).
3. Power on the controller again and wait approx. 1 minute while the controller starts up.
4. Disconnect controller from the power supply for safety reasons.
5. Reset DIP switch S3 to the noted starting position.
6. Switch on controller again.
7. The settings of the controller have been reset to the factory settings.
5.1.2 Restart - restart of the controller
For a restart, the device is restarted with all configured parameters and the CAN bus address set on the rotary
switch. A restart can be initiated using the following procedure:
•disconnection and reconnection of the power supply
Parameters mentioned in this section are described in the Menüstruktur section. It will normally not be
necessary to change the default settings of these parameters. Parameters that do not allow changing
are termed fixed parameters below.

Caution: data loss! A first start causes all parameters to be reset to the factory settings!

A first start is also performed when a different controller version (e.g. UA 400 UA 410 D UA 400 E UA
410 L) is loaded on the controller via firmware update. A sensor scan (Menu 6-1) must be performed
during commissioning or after a first start! The sensor scan is the only possibility to define the sensors
to be monitored; see chapter Required and optional sensors.
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5.2 Selection of the temperature sensors
The case/coldroom controller uses two-wire NTC temperature sensors to perform control.
All sensors connected must be the same type and parameters are not set separately for the sensors. The
type of sensor used can be defined by the Sensor Type parameter (Menu 6-2-5).
The following NTC sensor types are usable:
• L243 (K243) Temperature range -50°C to 50°C;
Type K243 sensor can be used in place of type L243. Characteristics of these two sensors are identical.
• K277 Temperature range -50 to 50°C
•5K3A1Temperature range 0 to 100°C
For details of the dimensions see chapter Mechanical data of the temperature sensor L243 / 5K3A1.
Detailed information on the temperature sensors is contained in the data sheet Mechanical data of the
temperature sensor L243 / 5K3A1.
All due care must be exercised when installing temperature sensors. Sensor leads need not be
shielded when installed exclusively within the refrigerated display case to be controlled and when
interference is not to be expected (for example from power wires running parallel to the leads.
Otherwise suitable precautions must be taken to protect the sensor leads from external interference.
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5.2.1 Required and optional sensors
On the standard UA 400 controllers the Sensor Scan function determines the number of sensors connected.
This enables sensors that are not connected to be removed from sensor break monitoring. However, the
following procedure is required with the UA 410 L Temperature Data Logging Controller:
If specific sensors are deactivated for the alarm signalling, the sensor priority must be configured accordingly.
The priority of each sensor can be set separately to ”0” (message) or ”-” (alarm suppressed) when no alarm is
to be signalled on the Temperature Data Logging Controller. In addition to the sensors that should be
monitored, the respective alarm priorities in the UA 410 L should also be set to the values 0 (message) or 1..2
(alarm signal).
Required and optional sensors are listed below:
Controller type Sensors necessary Optional sensors
(advanced functions e.g. for control, see Cooling (solenoid valve))
UA 410 L None Rx.1 Rx.2 Rx.3 Rx.4 Rx.5
Rx.6 Rx.7 Rx.8 Rx.9 Rx.0
Sensor break alarm
Alarm only takes place for sensors set to a sensor alarm priority of 1 or higher. An alert is generated when
sensor alarm priority is set to 0 and no alarm or message is generated when sensor alarm priority is set to ”-”.
5.3 Controller function
The sections following describe the various functions of the UA 410 L for control and temperature recording of
refrigeration points.
5.3.1 Cooling (solenoid valve)
On-off control
Control is made by one temperature sensor (the first five temperature sensors Rx.1 .. Rx.5 only). The cooling
relay de-energizes when temperature reaches the setpoint (switch-off value, Menu 2) on the respective
temperature sensor. The cooling relay re-energizes with the set hysteresis.
Cooling relay operation
N.O. control, i.e. cooling is OFF when the case controller is de-energized.
A sensor is recognised as connected in LDSWin (PC software) when its priority is set to 0 .. 2. It is
considered unused within LDSWin (no message/alarm/recording), when its priority is set to --.
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This approach is different from that used with other case/coldroom controllers, on which sensor break
alarm can be set by sensor scan.
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Cooling (not the controller itself) can be stopped via Digital Input 1 (Terminals D11/12). Control is
suppressed when a 230 V AC signal is applied to this input. Cooling is active when the input is not
connected or not active.
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CAN bus disabling of refrigeration points by the compressor pack controller is not available on the UA
410 L.
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