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Legal JULABO GmbH Gerhard-Juchheim-Strasse 1 77960 Seelbach / Germany Tel.: +49 7823 51-0 Fax: +49 7823 2491 Info.de@julabo.com www.julabo.com The content of this operating manual is protected by copyright. Information, including texts, images, and other contents may not be reproduced, distributed, transmitted, stored or otherwise used in any form without prior explicit written consent.
Contents Foreword .................... 8 About this manual ................9 Original JULABO spare parts ............9 Accessories ..................9 Warnings ..................10 Symbols used ................11 Intended use ..................11 Safety ....................12 Safety instructions ................ 12 Safety symbols ................14 Safety function ................
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5.9.1 Adjust safety menu ..............29 5.9.2 Menu Determine thermodynamics........... 29 5.9.3 Menu Connect unit ..............30 5.9.4 Menu Use programmer ............30 5.9.5 Record data menu ..............30 5.9.6 Install unit menu ..............31 5.9.7 Settings menu ................. 31 5.9.8 Unit account menu ..............
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7.10.1 Set temperature warning limits ..........54 7.10.2 Adjusting setpoint limits ............54 7.10.3 Adjusting actual value limits ............ 55 7.10.4 Band limit for external control ..........55 7.10.5 Setting band limit ..............56 7.11 Connect external temperature sensor .......... 56 Operation ..................
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Remote control device ..............68 8.8.1 Remote control device using USB interface ......68 8.8.2 Set RS232 interface parameters ..........69 8.8.3 Remote control device using RS232 interface ......69 8.8.4 Remote control device using RS485 interface ......70 8.8.5 Set EPROG input ..............
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Check and replace fuse ..............84 Emptying ..................85 Clean device ................85 Device storage ................86 Technical Service ................. 87 9.10 Warranty ..................87 Disposal ................... 88 10.1 Device disposal ................88 EC Declaration of Conformity ............89 UK Declaration of Conformity ............90 Appendix ..................
Foreword Congratulations! You have made an excellent choice. JULABO would like to thank you for the trust you have placed in our company and products. This operating manual will help you become acquainted with the use of our units. Read the operating manual carefully. Keep the operating manual handy at...
Please note that JULABO cannot provide a warranty service if non-original JULABO spare parts are used. Accessories JULABO offers a wide range of accessories for the devices. Accessories are not described in this manual. The complete range of accessories for the devices described in this manual can be found on our website www.julabo.com.
About this manual Warnings The manual contains warnings to increase safety when using the device. Warnings must always be observed. A warning sign displayed in signal color precedes the signal word. The signal word, highlighted in color, specifies the severity of the hazard. DANGER This signal word designates a danger with a high level of risk which, if it not prevented, will result in death or serious injuries.
This section defines the purpose of the unit so that the operator can operate the unit safely and avoid misuse. JULABO circulators are laboratory devices that are designed for temperature control applications with liquid media in a bath tank or with a cooling machine.
Refrigerants and their vapors are harmful to health. There is a suffocation risk in enclosed spaces. • Do not touch or inhale refrigerants. • Have damage to the refrigerant cycle repaired only by JULABO service technicians or qualified specialists. • If refrigerant leaks, stop the device immediately and ventilate the room thoroughly.
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Only carry out work described in this operating manual. Switch off the unit and disconnect it from the power supply before carrying out any work. • All other maintenance and repair work may only be carried out by a JULABO service technician or a qualified specialist workshop.
Safety Safety symbols There are safety symbols included with the device, which should be attached to the device before initial operation. Safety Description symbols Warning of a danger zone. Note operating manual Warning about hot surface Warning of cold surface Read operating manual before switching on Safety function Technical protective devices provide for safe operation.
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Safety Overheating protection The overheating protection prevents overheating of the heater. • The protective mechanism is triggered when the device recognizes a temperature difference of more than 20 K between the working temperature sensor and the safety temperature sensor. Am error message appears on the display.
Product description Product description Produc t overview Product overview Circulators can be combined with various baths and cooling machines. Bridge mounted Heating circulator Refrigerated circulator circulator MAGIO MS-Z: Circulator with Circulator with closed Circulator with cooling extendable telescopic bridge stainless steel bath tank. machine.
Product description Operating and functional elements The following figure shows the operating and functional elements and their position on the unit. Control and function elements Mains switch Touchscreen High temperature cut-off setting Mounting screws Ethernet interface USB interface Type A USB interface Type B Stakei outlet, secured Fuse for Stakei output, resettable...
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Product description RS232/RS485 interface CAN plug for connection with a refrigeration unit Cover for electronics slide-in module with analog connections (accessories) Supply pump connection Pump connection return line...
Product description Interfaces This section describes the electronic interfaces on the device. For safe operation, the interfaces must be operated according to their corresponding permissible specifications. 5.4.1 Connection of Pt100 temperature sensor The plug ext. Pt100 is used to connect an external Pt100 temperature sensor. The following section describes the wiring of the plug as well as the connection cable of the temperature sensor.
Product description 5.4.2 Stakei output The Stakei output is a control output that can be adjusted to solenoid valves with various tasks via the operating menu. The desired function is set and activated in the operating menu. The Stakei output can be assigned the following functions: •...
Product description 5.4.3 RS232/RS485 interface The RS232 or RS485 interface is a 9-way D-sub socket for connecting the device to a PC. RS232/RS485 socket RS232 interface pin assignment Pin 2 RxD receive data Pin 7 RTS request to send Pin 3 TxD transmit data Pin 8 CTS clear to send...
Product description 5.4.4 Ethernet interface The device can be connected to a network or directly connected to a PC using the Ethernet interface. Ethernet interface 5.4.5 USB-A interface USB sticks can be connected to the USB-A interface. This unit is capable of reading data from the USB stick as well as saving data to the USB stick.
Product description 5.5.1 Alarm output The alarm output is a potential-free changeover contact, through which an externally connected circuit can be switched. Alarm output diagram In the <Analog module> menu, a defined state can be selected as the trigger for the <Alarm output>. When the respective state is reached, pins 2 and 3 are connected: •...
Product description 5.5.2 REG/EPROG socket The REG/EPROG socket has three signal outputs and one signal input. A signal transmitter connected to the programmer input can specify the setpoint temperature or performance as a variable. The input signal can be a voltage source or a current source.
Product description Operating interface The device is operated by touchscreen. When it is switched on, the display shows the home screen. Sideways swiping or pressing the side arrows allows selection between three different home screen presentations. Home screen [1] Softkey [Settings] accesses the <Main menu> [2] Internal/external control display [3] Display of current internal/external temperature, display off in standby mode...
Product description 5.6.1 Softkeys and status icons This section describes the softkeys and status icons found on the operating interface. Softkey Function With the softkey [Start] a temperature control application is started With the softkey [Stop] a temperature control application is stopped With the softkey [Settings] the <Main menu>...
Product description Maximum setpoint temperature Set max. Minimum setpoint temperature Set min. Maximum internal temperature Max int. Minimum internal temperature Min int. Band high Lower bandlimit Band low Upper bandlimit Pump max. Maximum adjustable pump capacity Internal actual temperature Int. External actual temperature Ext.
Product description Display of warning message Warning: In the event of a warning, the temperature control application is not interrupted. A warning message with an orange background is displayed. A signal tone is emitted at intervals. The acoustic signal can be deactivated by pressing the central controller.
Product description Main menu With the softkey [Settings] on the home screen, you can call up the Main menu. The Main menu is divided into menu options, which respectively contain more submenus or in which settings can be specified. With the softkey [Close] you can always get back to the home screen.
Product description • Specification of the limit values for heating capacity and cooling capacity External actual value source: • Select the signal source for the actual value 5.9.3 Menu Connect unit The device can be connected to a PC and remotely controlled via the USB interface, the RS232/RS485 interface or via Ethernet.
Set inactivity timer • Access rights for basic and advanced users 5.9.9 Service menu The menu <Service> is reserved for JULABO service technicians and password protected. 5.9.10 Menu About The menu <About> provides information about the installed software status. •...
Product description 5.10 Technical data Performance specifications measured in accordance with DIN12876. Cooling capacities up to 20°C measured with ethanol; over 20°C with thermal oil unless specified otherwise. Performance specifications apply at an ambient temperature of 20°C. Performance values may differ with other bath fluids. Grouping of the device acc.
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Product description Suction pressure 0.16 0.27 0.37 0.40 Maximum viscosity Dimensions Dimensions (W x D x H) 23 (MS-Z: 34) x 19 x 36 Immersion depth 15.0 Weight Display Display 7“ TFT LCD Resolution 1024 x 600 Function 10-point multi-touch function Performance data Mains connection 100-115 V 50/60 Hz...
Product description 5.10.1 Material of parts that come into contact with the medium The table lists parts that could come into contact with the bath fluid as well as the material that the parts are made of. This data can be used to check the compatibility of the parts with the bath fluid used.
Product description 5.10.2 Technical data for refrigerated circulators This section lists the technical data of the refrigerated circulator. Technical data MAGIO MS-310F Working temperature range °C -30… +200 Cooling capacity °C Lowest pump stage 0.33 0.28 0.23 0.13 0.05 Highest pump stage 0.26...
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Product description Technical data MAGIO MS-450F Working temperature range °C -30… +200 Cooling capacity °C Lowest pump stage 0.46 0.39 0.29 0.17 0.07 Highest pump stage 0.40 0.33 0.24 0.12 0.01 Refrigerant R449A, R290 Dimensions Dimensions (W x D x H) 23 x 40 x 65 Usable bath opening 13 x 15...
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Product description Technical data MAGIO MS-601F Working temperature range °C -35… +200 Cooling capacity °C 0.60 0.52 0.44 0.27 0.16 0.04 Refrigerant R449A, R452A* Dimensions Dimensions (W x D x H) 33 x 47 x 74 Usable bath opening 22 x 15 Bath depth Volumes min.
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Product description Technical data MAGIO MS-1000F Working temperature range °C -50 … +200 Cooling capacity °C 1.00 0.96 0.70 0.51 0.25 0.11 Refrigerant R449A Dimensions Dimensions (W x D x H) 42 x 49 x 70 Usable bath opening 18 x 13 Bath depth Volumes min.
Recommended bath fluids and further information can be found on our website NOTE No liability accepted for usage of bath fluids that are not suitable! Unsuitable bath fluids that are not approved by JULABO can damage the water bath. • Use bath fluids that are recommended by JULABO •...
Product description 5.10.4 Hoses Hoses for connection of an external system must suit the working temperature range and the respective temperature control application. Hoses for every area of application can be found on our website. Hoses must meet the following requirements: •...
Transport and installation Transport and installation This section describes how to transport the unit safely. Transporting the device A circulator can be transported with the cooling machine when mounted. CAUTION Risk of crushing by falling device! A device that is not secured appropriately can fall down during improper transport and cause crushing injuries.
Transport and installation Install the device at the operating location This section describes how the device is set up at the installation location. The device has been transported to the operation location. The size and infrastructure of the operation location are suitable for device operation.
Initial operation Initial operation Commissioning is carried out in various steps, depending on how the device is to be used. Setup Wizard The setup wizard starts the first time the unit is switched on. It guides you through various basic settings. When the setup wizard is complete, the unit is set up.
Initial operation 3. Carefully insert the circulator into the bath. 4. Push the telescopic bridge together until the side angle plates rest against the edge of the bath. The thermostat is mounted on the open bath as a bridge mounted circulator.
Initial operation 4. Check that the circulator is sitting correctly and that the connecting box gasket is seated gap-free on the surface of the unit. The heating circulator or refrigerated circulator is mounted. Connect the device to the power supply 7.3.1 Connect bridge mounted or heating circulator This section describes how the circulator is connected as a bridge mounted circulator or heating circulator.
Initial operation 7.3.2 Connect refrigerated circulator This section describes how the circulator is connected as a refrigerated circulator. The circulator is mounted on a refrigeration unit. The connection cable, mains cable and CAN bus cable are ready for use. Front side Back 1.
Initial operation Connecting an external system The device is designed for tempering external, closed loop systems. An external system is connected to the unit’s pump connections. CAUTION Risk of burns due to damaged temperature control hoses! Hot bath fluid can escape from damaged temperature control hoses and cause serious burns when it comes into contact with skin.
Initial operation NOTE Overflowing bath fluid due to externally connected systems! If the externally connected system is higher than the temperature control system, bath fluid can flow back and overflow when switched off. • Position the connected external system on the same level or lower than the temperature control system •...
Initial operation 3. Screw the hoses onto the pump connectors by hand. Pay attention to the supply and runback position. 4. Screw on the pump connections carefully with a maximum of 3 Nm torque. The external system is connected. ...
Initial operation 4. Mount the barbed fittings with the union nuts on the pump connections. 5. Carefully tighten the union nuts with a maximum of 3 Nm torque. 6. Attach the hoses of the external system on the barbed fittings. ...
Initial operation Set high temperature safety function Before each new temperature application, the temperature must be set for the tank and internal reservoir high temperature cut-off. Set a value that is at least 25 K below the flash point of the bath fluid being used. The surface temperature of the bath fluid must not exceed the flash point at any time.
Initial operation Fill device This section describes how the device should be filled with bath fluid during initial operation. Specifications for filling volume can be found in the technical data. The drain valve is closed. The device is switched off. 1.
Initial operation Set chiller mode For a refrigerated circulator, the chiller mode is preset ex works to automatic operation. Three different chiller modes can be selected in the operating menu: • Automatic mode: The controller calculates the duration of the heating process in the event of a setpoint change of more than +5°K.
Initial operation 7.10 Set limit values 7.10.1 Set temperature warning limits A warning limit and an alarm limit can be set for low temperature and high temperature. The warning limit values should be within the alarm limit values. If the respective temperature limit is exceeded, the device generates an alarm or warning message.
Initial operation 7.10.3 Adjusting actual value limits The actual value limits “internal minimum” and “internal maximum” are effective in the external control operating mode. They define limits for the expected temperature in the internal bath. The temperature controller cannot exceed these limit values. Under certain circumstances, the external setpoint will not be reached.
Initial operation 7.10.5 Setting band limit The upper and lower band limit is defined in °K. In the heating phase the set value will be added to the external actual value. In the cooling phase the set value will be subtracted from the external actual value. The setting range is between 1 and 200 °K.
Operation Operation Switch on the unit This section describes how to switch on the device. The unit is connected and ready for operation. 1. Switch the unit on at the mains switch. The software boots and starts the unit. The display shows the unit name, voltage version and software version.
Observe the following for heating circulators: For temperature control applications near or below the ambient temperature: Use a cooling coil or JULABO immersion cooler. Basic settings 8.4.1 Set language The language of the operating interface can be switched to one of the available languages.
Operation 3. Set the date and time with the keypad shown and then confirm your input with [OK]. 4. Select the desired display format. The date and time are set. 8.4.4 Activate autostart function The autostart function makes it possible to start a temperature control application directly using the mains switch or via an intermediate timer.
Operation 8.5.1 Change password The password ensures that only authorized persons have access to defined device functions. The administrator password is required to change a password. Passwords can be created and changed for the following user groups: • Basic users, factory setting password: 0000 •...
Operation 8.5.3 Defining user-independent presets If no user is logged in, user-independent presets are based on operation of the device. For users who are not logged in, operation of the device may be limited to certain functions. The device is switched on. 1.
Operation 8.5.6 Lock the device A logged-in user can lock the device to prevent unwanted interventions. Active temperature control application is not interrupted. A locked device cannot be operated, it must first be unlocked by the last user or an administrator. ...
Operation Factory setting for the administrator password: 000000. 4. Press the <Reset> button. 5. Acknowledge the confirmation prompt with [OK]. All unit account settings are reset to factory settings. Record data 8.6.1 Record measurement data Measurement data for an ongoing temperature control application can also be recorded onto a USB stick at the same time.
Operation 4. Scroll down the display to Blackbox and press the [File] button to change the displayed filename if required. 5. Press the button [Save]. The blackbox data is saved onto the USB stick as a .txt file. 8.6.3 Displaying alarm memory Alarm messages are stored with date, time, alarm code and unit identifier.
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Operation Integral controller Tn The integral controller Tn is indicated in seconds. It reduces the difference between the setpoint value and the actual value caused by the Xp component, and keeps to the setpoint value. Differential controller Tv The differential controller Tv is specified in seconds. It shortens the regulation time.
Operation 8.7.2 Optimizing temperature curves The temperature sequence shown on the display provides information about how individual control parameters can be optimized to achieve a better result. Optimal temperature sequence, temperature quickly reaches the setpoint without overshooting, and keeps the setpoint. Symptom: Temperature sequence slowly approaches the setpoint and doesn’t quite reach it.
Operation 8.7.3 Adjust controller In the menu <Adjust controller> the individual control parameters for internal and external control can be set. The device is switched on. 1. Call up the <Main menu>. 2. Call up the submenu <Determine thermodynamics> and the menu option <Adjust controller>.
1. Connect the device (USB plug type B) to the computer with a commercially available USB cable. 2. Download the suitable USB driver from the download area of the website www.julabo.com. Depending on the operating system used by the connected computer, it may be necessary to install the USB driver.
Operation 8.8.2 Set RS232 interface parameters The interface parameters cannot be changed during remote control mode. If they differ from the factory settings, they must be set before remote control mode is activated. Remote control is deactivated. 1. Call up the thermostat in the <Main menu>. 2.
Operation 8.8.4 Remote control device using RS485 interface The device can be remote-controlled via the RS485 interface. A null modem cable is required to connect to a PC. The device is switched off. The computer has a terminal program such as HTerm installed. 1.
Operation The value is displayed in the menu as the current value (V or A). 7. Tap the [Low value] button and enter the low input value (setpoint, performance, flow or pressure). The value is displayed in the menu as the current value (°C, °F, %, l/min, gpm, bar, psi).
Operation Pt100 can only be selected if an external Pt100 temperature sensor is connected to the device. The setpoint is then set using the external temperature sensor. EPROG can only be selected if the analog option is available and the setpoint is defined as the input variable in submenu <Analog module>...
Operation Watchdog function During a temperature control application in remote control mode, the watchdog function monitors the active interfaces. In the event of a fault in the higher-level data processing system, the watchdog function ensures that the device switches to a previously defined safe operating status. Cyclical data communication between the higher-level main computer and the device is crucial.
Operation NOTE Falling bath fluid level! In the case of a prolonged temperature control application, the level of bath fluid in the bath tank can fall below the alarm limit due to evaporation. A low liquid level alarm is triggered and temperature control application stops. •...
Operation 8.10.2 Creating and editing a temperature control profile Eight individual temperature control profiles can be created with up to 60 individual steps each. The programmer processes the programmed steps of a temperature control profile according to the specifications. The device is switched on. 1.
Operation 5. Tap the [Import profile] button. 6. In the dialog window, select the temperature control profile to be imported from the USB stick and confirm your input. The temperature control profile is imported and saved in the selected profile on the device.
Operation 8.10.6 Profile series setup The submenu <Activate programmer> is used to set up the sequence of a profile series. This defines the start time, the number of runs, the cycle and the behavior of the device at the end of the profile series. ...
Operation The programmer is activated. It starts either immediately or at the programmed start time on the specified start date and goes through the specified number of runs one after the other. After the last run, the device switches to the defined final state. ...
Operation [Channel 3] configures the current output. 0 mA or 4 mA can be selected for the lowest output value. 8. Enter the lowest output value as the 0 mA/4 mA value. 9. Enter the highest output value for the 20 mA value. ...
Operation 8.13 Adjusting the temperature sensor (ATC) For physical reasons, there can be a temperature difference in the bath tank between the temperature sensor and a defined, more remote point within the bath fluid volume. As a result, the measured temperature deviates slightly from the actual bath temperature.
Operation 9. When [Enter temperature] is pressed, the dialog window for entering the temperature value and correction value opens. 10. Enter the required value and confirm your entry. The correction value is active immediately. The internal temperature sensor is adjusted with a correction point. 8.13.2 Adjust the internal temperature sensor - multi-point calibration This section describes how to adjust the internal temperature sensor of the device with multiple correction points.
Operation 2. Wait until the temperature in the application has stabilized and is shown on the display of the circulator. 3. Hang the reference thermometer in the bath tank of the application near the tempered sample. 4. Read the temperature value on the reference thermometer. 5.
1. Check the safety signs on the device for legibility and completeness. 2. Replace defective or missing safety markings. Safety signs can be reordered from JULABO. The safety signs on the device have been checked. Check the functionality of high temperature cut-off This section describes how you can test that the high temperature safety function is operational.
Maintenance A beep sounds and the “Tempering fluid level too low” alarm message is displayed. The low liquid level safety function works. 3. Switch the device off, wait a few seconds, then switch the device on again. The alarm message is deactivated. 4.
Maintenance 2. Use a flat screwdriver to unscrew the fuse holders [arrows image left]. 3. Check the fuses [arrow image right]. 4. Replace a defective fuse. See technical data for fuse type. 5. Mount the fuse holders using tested or replacement fuses. 6.
Maintenance Lint-free cloth Mild cleaning agent NOTE Damage to the electronics due to water penetration! Ingress of water can damage electronic components of the device and thus lead to failure of the device. • Clean the outside of the device with a damp cloth only •...
Package the device safely for shipment. 9.10 Warranty JULABO provides a warranty that the device will function perfectly as long as it is connected and used correctly and as described in the operating manual. The warranty period is one year from the invoice date.
Disposal 10 Disposal 10.1 Device disposal When disposing of the device, the applicable country-specific guidelines must be observed. 1. Completely drain the unit. 2. Contact an authorized waste disposal company for disposal of the unit. Disposal of the unit in household waste, or similar facilities for the collection of domestic waste, is not permissible.
UK Declaration of Conformity 12 UK Declaration of Conformity UK Office: JULABO UK Ltd., Unit 7, Casterton Road Business Park, Old Great North Road, Little Casterton, Stamford, PE9 4EJ, United Kingdom, Tel.: +44 1733 265892...
Appendix 13 Appendix 13.1 Interface commands Interface commands allow the device to be remote controlled. Parameters can be retrieved and the current status can be queried. To do this, the device must be connected to the master computer via a digital interface. Interface commands are entered using a terminal program.
Appendix 13.1.1 IN commands IN commands retrieve device parameters. Process values System response in_pv_00 Actual value in_pv_01 Current variable (%) In_pv_02 Current temperature of the external Pt100 temperature sensor in_pv_03 Current temperature of the temperature safety sensor in_pv_04 Current setting of the high temperature safety function in_pv_06 Current pressure.
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Appendix in_sp_13 Set flow unit: 0 = l/min 1 = gpm in_sp_27 Set pump setting in_sp_28 High temperature alarm limit in_sp_29 Low temperature alarm limit Unit modes System response in_mode_01 Return value 0. The value 0 stands for the control temperature setpoint as only one temperature setpoint can be set (downward compatibility for older units) in_mode_02...
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Appendix IN PAR System response in_par_00 Set sensor difference between working temperature sensor and safety temperature sensor in_par_01 Set time constant of the external bath TE in_par_02 Set internal gradient value SI in_par_03 Set time constant of the internal bath TI in_par_04 Set optimization parameter CoSpeed in_par_05...
Appendix ATC IN commands Parameter System response ATC:INT:STATUS? Number of correction points used for internal adjustment. ATC:INT:POINTx? 1 ... 10 Set values of the requested internal adjustment correction point. ATC:INT:POINT1? Example: 20.00;20.01 Answer: ATC:EXT:STATUS? Number of correction points used for external adjustment.
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Appendix out_sp_13 Adjusting the flow unit: 0 = l/min 1 = gpm out_sp_27 Pump capacity in % out_sp_28 xxx.xx High temperature alarm limit setting out_sp_29 xxx.xx Low temperature alarm limit setting * Do not use for reprogramming, use out_sp_27 instead. Pump stage 4 has an output pressure of approx.
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Appendix System parameter Parameter Setting out_par_04 Setting the Cospeed control parameter for internal control out_par_06 Setting of the control parameter XP for internal control out_par_07 Setting of the control parameter TN for internal control out_par_08 Setting of the control parameter TV for internal control out_par_09 Setting of the control parameter XP of the...
Appendix ATC OUT command Parameter Setting ATC:INT:STATUS 1 ... 10 Sets the number of correction points used for internal adjustment. 0 = ATC_OFF ATC:INT:STATUS˽1 Example: A correction point is used. ATC:INT:POINTx x = 1 ... 10 Example: ˽yy.yy;zz.zz yy.yy = circulator Command: ATC:INT:POINT1˽20.00;20.10 temperature...
Appendix 13.1.4 Status messages Possible status messages from the device for a status query. Status message Explanation 00 MANUAL STOP Device in standby mode manual operation 01 MANUAL START Device in manual mode 02 REMOTE STOP Device in standby mode, remote control operation 03 REMOTE START Device in remote control mode -08 INVALID...
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Appendix • The unit is being operated with a bath Top up the bath fluid. fluid level that is too low. • Check the temperature control hoses for damage and replace if necessary. The measured temperature is over the • Increase “high temperature"...
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Appendix • A current is measured even though Disconnect the unit from the power heating is not required. supply. • Contact Technical Service. The measured temperature of the • Check ambient temperature and heat sink in the control section of the reduce if necessary.
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Appendix • -116 The alarm latch of the protective Switch off the unit at the mains switch, equipment is still active. wait 4 seconds and then switch the unit on again. -142 Unit started, actual value source of • Contact technical service. the external temperature set on display, reception timeout of the external temperature via CAN bus.
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Appendix • -502 Error communicating with a WLAN The WLAN stick has been deactivated. stick when using remote control. Please reconnect the WLAN stick or WLAN stick has been removed or lost switch the remote control. connection. -503 External setpoint value is set via •...
Appendix • Check CAN bus cable for damage and replace as necessary. • If the fault has not been remedied, contact Technical Service. • -1501 Timeout on serial interface. If the Watchdog is activated, check whether the temperature setpoint is sent to the unit cyclically at least every 30 seconds.
Appendix 13.3.2 Feedback on invalid entries If the device receives an invalid data packet, it responds with an exception response. The following exceptions are recognized by the device. Code Name Explanation Illegal function The received function code is not supported by the device.
Appendix 13.3.4 Holding registers Register Protocol Data type Explanation Adjustable range address address 40001 ushort Start/stop the unit 0: Unit is in standby 1: Unit is started 40002 ushort Type of actuating variable 0: Controller 1: Digital 2: EPROG 40003- float Setpoint temperature min.
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Appendix 40015 ushort Tn control parameter of the 3 … 9999 s internal controller. 40016 ushort Tv control parameter of the 0 … 999 s internal controller. 40017 ushort Control dynamics 0: Aperiodic 1: Standard 40018- 17-18 float Xp control parameter of the 0.1 …...
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Appendix 40112- 111-112 float High temperature alarm 40113 value 40114- 113-114 float Low temperature alarm 40115 value Setpoint limits 40071- 70-71 float minimum adjustable 40072 temperature setpoint 40073- 72-73 float maximum adjustable 40074 temperature setpoint 40075 ushort maximum adjustable pump 40-100% capacity Units...
Appendix 13.3.5 Input register Register Protocol Data type Explanation Value range address address 30001- uint Firmware version Byte1: Major 30002 Byte2: Minor Byte3: Build Byte4: Revision 30004- uint Barcode 30005 30006 short Remote control mode 30007 short Alarm code 30008 short Warning code 30011-...
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