Julabo Presto Series Operating Manual
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Julabo Presto Series Operating Manual

User interface
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Original Operating Manual
User Interface
1.951.3041-V10
02/18
JULABO GmbH
77960 Seelbach / Germany  Phone +49 (0) 7823 / 51-0  Fax +49 (0) 7823 / 24 91 
info.de@julabo.com
 www.julabo.com
Print Tuesday, February 13, 2018 13:32:00

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  • Page 1 Original Operating Manual User Interface 1.951.3041-V10 02/18 JULABO GmbH 77960 Seelbach / Germany  Phone +49 (0) 7823 / 51-0  Fax +49 (0) 7823 / 24 91  info.de@julabo.com  www.julabo.com Print Tuesday, February 13, 2018 13:32:00...
  • Page 2 Table of Contents Printed in Germany Changes without prior notification reserved Important: keep original operating manual for future use 2.13.2018...

  • Page 3: Table Of Contents

    USER INTERFACE Table of Contents Table of Contents ............................. 3 Initial Operation............................6 1.1. Connecting to power supply ......................6 1.2. Switching the unit on / selecting language ..................6 Normal display ............................7 2.1. Set temperature..........................11 2.2. Start / Stop ...........................
  • Page 4 6.2. "Starting a profile" menu.......................38 6.3. "Using a programmer series" menu .....................40 "Recording data" menu ...........................42 7.1. JULABO Service – Online remote diagnosis ................44 "Service" menu ............................45 "Safety adjustments" menu ........................46 9.1. “Temperature limits“ menu ......................46 9.1.1. Minimum and maximum setpoint ..................46 9.1.2.
  • Page 5 USER INTERFACE 11.2. "Empty the unit" menu ........................81 11.3. "Adjust sensors" menu ......................... 83 11.4. "Reset unit" menu ......................... 86 11.5. "Unit name" menu ........................87 11.6. Save/load parameters ........................87 11.7. Configure unit ..........................89 11.8. Firmware update .......................... 91 12.

  • Page 6: Initial Operation

    Initial Operation Initial Operation 1.1. Connecting to power supply Caution: • This device may be attached to protected earth (PE) mains power outlets only! • The mains plug serves as a reliable way to disconnect the unit from its power supply for safety reasons and must be readily accessible at all times.

  • Page 7: Normal Display

    USER INTERFACE Normal display Normal display: The normal display contains important values and functions.  Adjust the high temperature cut-off by slowly turning the dial with a screwdriver. The exact value will appear on the display. Date / time Status: on/Standby / Warning Fill level indicator External temperature sensor value...
  • Page 8 Normal display Warning • The > TANK < high temperature cut-off should be set to 15 °C above the working temperature setpoint. • The > RESERVOIR < high temperature cut-off must be set to at least 25 °C below the heattransfer liquid's flashpoint. Adjust the normal display ...
  • Page 9 USER INTERFACE AL ARM d is pl a y The unit switches to „Standby“. Heater, refrigeration unit and Error messages are displayed in a circulation pump are switched off. red box. Resolution for example E14: Touch the red box to mute the alarm.
  • Page 10 Normal display W AR NI NG d i spl a y: A warning does not result in shutdown of the heater, refrigeration unit, and circulation pump. The unit provides the option of defining some warning limits independently, such as limits for pump pressure, limits for over- temperature and under-temperature.

  • Page 11: Set Temperature

    USER INTERFACE 2.1. Set temperature Select setpoint Setpoint button Input panel (example: 25.00 °C) The green keys display the most recently selected values. Input keys Keys 0 to 9 (digits keypad) Decimal point button Minus/plus button Backspace key Exit window without changes Input/confirm entry 2.2.

  • Page 12: Main Menu View

    Main menu view Main menu view Select menu 3.1. Available keys in the main menu Block access to unit / password-protected actions. Go back one menu level. Home (return to normal display). Retrieve help menu Press < > and then press the desired entry in the menu. Indicates available submenu.

  • Page 13: Unit Access/Safety Settings

    USER INTERFACE 3.2. Unit Access/Safety Settings Without an entry in the menu, the unit can be operated by any authorized person. You can change the unit's safety settings in this menu. The authorized users and user rights can be restricted. An >Administrator<...
  • Page 14 Main menu view The administrator uses the password-protected >Settings< menu to grant access rights and passwords. Press the key Enter administrator password Default settings If none of the user groups are logged in, the released functions and menus will be accessible by all users. Press the key >Access rights<...
  • Page 15 USER INTERFACE Example: Basic users Press the key The user is asked to enter a new password and reenter the password for confirmation. Example: 4-digit password for > Basic users < Confirm setting with Basic users Advanced users Factory settings ...

  • Page 16: User Groups - Managing Access To The Unit

    Main menu view Administrator ATTENTION: Record the new password in a secure place. It will not be possible to access the unit without this password. The Change Password: factory password will be overwritten. Press the key The user is asked to enter a new password and reenter the password for confirmation.
  • Page 17 USER INTERFACE Block unit access immediately Press the key Enter the desired time here, after which the unit will be blocked if Block with time delay. no additional entries are made. Press the key Example: 5 minutes. Set time. The current setting is shown on the button and will remain until changed.

  • Page 18: Settings" Menu

    "Settings" menu "Settings" menu Select in the main menu Select menu here The buttons will display the current settings indicate availability of a submenu: Example: Press the < > button and then press the >Units< button in the Call up the >Units< Help menu. menu.

  • Page 19: Autostart" Menu

    >Autostart< Note: The temperature system has been configured and supplied by JULABO according to N.A.M.U.R. recommendations. This means for the start mode, that the unit must enter a safe operating state after a power failure (non-automatic start mode). This safe operating state is indicated by "OFF", on the TFT-Display.

  • Page 20: Menu Customize Home Display

    > Customize Home display <.  Message in case of incorrect choice. Or push and leave the display without changes.  Active key light green. Whether >Pressure< or >Flow rate< are settable, depends on the setting of >JULABO Sensor Pres./Flow<. Setting via 2.13.2018...

  • Page 21: Date / Time" Menu

    USER INTERFACE (page 66) 4.5. "Date / time" menu Set date / time Enter values with digits keypad.  Various options each are available for >Format< and >Separator<. 4.6. "Colors" menu Select colors You may select the colors used in the normal display's chart.

  • Page 22: Keypad Tones" Menu

    "Settings" menu 4.7. "Keypad tones" menu Switch tones on/off An audible tone will be emitted each time you press a button. Three different tone lengths are available. 4.8. “Info“ menu  Select Info Examples Information on module configuratioin. 4.9. Max. current consumption menu The maximum current consumption of the unit is preset at the factory.

  • Page 23: Determine Thermodynamics" Menu

    USER INTERFACE "Determine thermodynamics" menu Select in the main menu Select menu here indicates available submenu. 5.1. "Adjust controller" menu Select menu The buttons will display the current settings or indicate availability of a submenu: temperature-control units let you choose between internal (inside the heat exchanger) or external (directly at the application or temp.-control loop) Select desired control type...

  • Page 24: Self-Tune" Menu

    "Determine thermodynamics" menu 5.1.1. "Self-tune" menu During self-tuning, the controlled process's parameters Xp, Tn, and Tv will be automatically determined and stored. Select setting Available parameters: Off - no self-tuning The control parameters of the most recent identification are stored and will be used for control purposes. Once - one-time self-tuning The unit will perform a one-time identification of the controlled process each time the unit is started with the...

  • Page 25: Adjust Control Performance" Menu

    USER INTERFACE 5.1.3. "Adjust control performance" menu Select menu Preparing for external control: Connect the Pt100 external sensor to the socket in the socket panel. It is normally not necessary to calibrate the sensor. indicates available submenu. In special situations, a three-point calibration, for example, can be performed with the "Adjust sensors"...
  • Page 26 "Determine thermodynamics" menu > Dynamic < This parameter influences the temperature sequence only during internal control. Available parameters: Standard The temperature will climb faster, but may overshoot by up to 5%. If a ramp is defined, the temperature sequence will largely follow this ramp. Aperiodic.
  • Page 27 USER INTERFACE Optimization tips for PID control parameters The progression of the control object's temperature over time can indicate improperly adjusted control parameters. Optimal Improper adjustment may lead to the following heat-up curves: Xp too small Tv/Tn too small Xp too large or Tv too large Tv/Tn too large or Xp too large 2.13.2018...

  • Page 28: Adjust Limits" Menu

    "Determine thermodynamics" menu 5.1.4. "Adjust limits" menu The >Limits< menu allows you to define the minimum and maximum values for all important setting ranges and power variables. Select menu The setting ranges depend on the performance category of the temperature control system. The buttons will display the current settings.
  • Page 29 USER INTERFACE Lower bandlimit and Upper bandlimit Bandlimits are active during external control. Various settings are possible for the heat-up and cool-down phases as required. Setting range: 0 °C ... 200 K Legend: A Internal bath B External system C Upper bandlimit D Lower bandlimit >...

  • Page 30: Adjust Pump" Menu

    "Determine thermodynamics" menu 5.2. "Adjust pump" menu Select The buttons will display the current settings. Select the pressure display in the Units menu: psi or bar Page 19 5.2.1. „Type“ menu Select Type of pump control. Attention Observe the external consumer's pressure limits! Pressure limits refer to page 48...

  • Page 31: Type „Pressure Control

    USER INTERFACE Examples: Notice Settings of setpoint limits for  >Pumpstage< and >Limit Pressure< are active.  If the >Limit Pressure< is exceeded at >stage 3< an alarm including the cut-off of the unit is activated! 5.2.1.2. Type „Pressure control“ The setting ranges depend on the performance category of the temperature control system.

  • Page 32: Type „Flow Rate Control

    "Determine thermodynamics" menu 5.2.1.3. Type „Flow rate Control“ Select The flow rate is infinitely adjustable and is actively controlled. The setting range depend on the performance category of the temperature control system. Set value. Example: Setting range see display of unit.  Note Check the selected pressure limits! (Page 48)
  • Page 33 USER INTERFACE 5.2.3. "Adjust control performance" menu Select each of parameter Xp (Proportional range) and Tn (Reset time) can be set. 2.13.2018...

  • Page 34: Using A Programmer" Menu

    "Using a programmer" menu "Using a programmer" menu A programmer makes it easy to quickly program setpoint temperature profiles. A profile is a series of temperature setpoints. A profile consists of several individual steps. Each step is defined Select in the main menu according to a length of time (t:) or gradient (°/t) and target temperature.

  • Page 35: Edit A Profile" Menu

    USER INTERFACE 6.1. "Edit a profile" menu Create a new profile. Press Example: Select profile 3 from profiles 1 to 8 You will use the following four menus to create a profile. Edit: Edit the currently selected step. Change setpoint / duration. Add: Adds a new step to the profile at the end of the list.

  • Page 36: Add

    "Using a programmer" menu 6.1.1. Select Now select Standard or Gradient. Standard: Set setpoint and duration. Gradient: Set target temperature and gradient.  Settings in the "Limits" menu will constrain the setting range. (Chapter 5.1.4. "Adjust limits" menu ) Examples: Standard Temperature setpoint [°C/°F] and duration [hh:mm:ss] Set setpoint and duration 20.00 °C --- 00:15:30...

  • Page 37: Edit

    USER INTERFACE 6.1.2. Edit Edit the currently selected step. to select step. Press Set new values. Set new values. 6.1.3. Delete Delete the currently selected step. to select step. Press 6.1.4. Insert Insert a step in front of the selected step. to select step.

  • Page 38: Starting A Profile" Menu

    "Using a programmer" menu 6.2. "Starting a profile" menu Select. Example: Select profile 3 The buttons will display the current settings. End of profile: Status at the end of the profile (see page 40 for description). Repeats: A profile can be repeated up to 99 times.
  • Page 39 USER INTERFACE The >Start time< button will then display the current setting. Press for normal view. The normal display will show the current time, the selected start time, and the remaining time until starting. Before starting: This area at the lower left is a button that turns orange when touched.

  • Page 40: Using A Programmer Series" Menu

    "Using a programmer" menu End behavior Here you can decide whether the unit will switch OFF at the end of a program or whether temperature control will continue. You also select the working temperature setpoint to be used at this time. Standby The unit will turn >OFF<...
  • Page 41 USER INTERFACE Select days Select profile Set start time. Set the number of times the profile will repeat. Set stop time. Set status at end of profile. End of profile: See page 40 for description 2.13.2018...

  • Page 42: Recording Data" Menu

    "Recording data" menu "Recording data" menu Caution: Danger caused by viruses on data carriers! Only use data carriers which have been checked for viruses prior to use with temperature control systems. Please integrate all data carriers in your quality management system.
  • Page 43 USER INTERFACE If only one data carrier is inserted, the unit will recognize and display it on the <Storage> button. If both interfaces are occupied, the user can choose between Select data carrier them. - SD card - USB stick Select the existing >txt<...

  • Page 44: Julabo Service - Online Remote Diagnosis

    "Recording data" menu 7.1. JULABO Service – Online remote diagnosis JULABO units are equipped with a so-called "black The >Record data< box". It is integrated into the controller, where all relevant data of the menu also contains a function for most recent 30 minutes are recorded.

  • Page 45: Service" Menu

    USER INTERFACE "Service" menu Select in the main menu This menu is password-protected. It is accessible only by authorized persons. 2.13.2018...

  • Page 46: Safety Adjustments" Menu

    "Safety adjustments" menu "Safety adjustments" menu Select in the main menu. Select menu indicates available submenu  Setting ranges depend on the performance class of the temperature control system. 9.1. “Temperature limits“ menu The buttons will display the current settings. Choose button and set value.

  • Page 47: Allowed Temperature Gradient Per Minute

    USER INTERFACE For setting range see display of unit  A High temperature cut-off (tank) B Upper temperature limit C Lower temperature limit D Setpoint The warning function will be activated only when the temperature value is within the selected limit values for three seconds after starting from the "OFF"...

  • Page 48: Pressure Limits" Menu

    "Safety adjustments" menu 9.2. “Pressure limits“ menu The buttons will display the current settings. Choose button and set value. For setting ranges see respective display of unit. Example:  Hierarchy of pressure values A Peak Pressure Limit B Pressure limit C Upper warning limit D Actual pressure in temperature system E Lower warning limit...

  • Page 49: Upper And Lower Pressure Warning Limit

    USER INTERFACE For setting range see display of unit  and set value.  The setting ranges depend on the performance category of the temperature control system. 9.2.3. Upper and lower pressure warning limit A >upper warning limit< and a >lower warning limit< can be set for monitoring the pressure in the system.

  • Page 50: Upper And Lower Pressure Warning Limit

    "Safety adjustments" menu 9.2.4. Upper and lower pressure warning limit For the pressure setpoint following limits must be set. The >limit pressure< sets the upper limit. Exceeding this pressure for more than 5 seconds, results in an alarm cut-off and an error message The buttons will display the current (Error 302).

  • Page 51: Upper And Lower Flow Warning Limit

    USER INTERFACE 9.3.2. Upper and lower flow warning limit A >Lower warning limit< and a >Upper warning limit< can be set for monitoring the flow rate (l/min) in the system. The buttons will display the current If a warning limit is exceeded or undercut a signal will sound and a warning ticker appears in the status line on the TFT-Display.

  • Page 52: Connect Unit" Menu

    "Connect unit" menu "Connect unit" menu Use this menu to select how the unit is controlled and how control Select in the main menu. variables are set. The digital interface settings can be adjusted here. The buttons will display the current settings.

  • Page 53: External Setpoint" Menu

    USER INTERFACE 10.2. „External setpoint“ menu Select external setpoint Choose between >Off< >Pt100< >EProg< In addition to the serial interface via remote control the unit offers the possibility to adjust the setpoint via analog interface >EXT. Pt100< or >REG+E-PROG<. Possible parameters: Off - Setpoint is set via the touch screen or via the integrated programmer.

  • Page 54: Actuating Variable" Menu

    "Connect unit" menu 10.3. "Actuating variable" menu The variable is the degree to which the heater or the refrigeration unit is activated. The bath is heated or cooled in accordance with this variable. If this is controlled via the unit's control electronics, referred to as the >Controller<, the bath temperature will be brought precisely to the selected setpoint and stabilized at that temperature.

  • Page 55: Digital Interfaces" Menu

    USER INTERFACE 10.4. "Digital interfaces" menu Select in the main menu Select interface The buttons will display the current settings. 10.4.1. RS232 Check the interface parameters of the two interfaces (Unit and PC) Select and make sure they match. Use an RS232 interface cable to connect the unit to a PC. Digital interfaces settings Factory settings: even...
  • Page 56 "Connect unit" menu Select Watchdog Activation of the watchdog function: Adjust the >Watchdog as described on page 56. Set the desired interface in the >Remote control< menu. In the >Actuating variable< menu, choose between >Controller< or >Digital< . Choose >Controller< to define a setpoint (temperature). Choose >Digital<...
  • Page 57 USER INTERFACE A High temperature cut-off Example: (tank) B Upper temperature limit C Lower temperature limit D Setpoint (out_sp_00 -15.00) [°C] Variable (out_sp_10 xxx) [%] E Watchdog function is triggered F Watchdog setpoint (out_sp_06 -18.00) Consequence: • A buzzer sounds and the message 1501 „Timeout serial interface “...
  • Page 58 "Connect unit" menu Timeout The timeout time in seconds can be set here. The watchdog must be reset within the timeout time, otherwise, a timeout is triggered. Setpoint value The safety setpoint value can be set here. If a timeout occurs and the watchdog mode is set to “Setpoint”, the device adjusts to this setpoint Restart mode:...

  • Page 59: Ethernet

    USER INTERFACE 10.4.3. Ethernet With the Ethernet interface, you can use a PC to communicate with unit over an Ethernet network. You can connect the P to a network or use a network cable to establish a direct connection between the PC and Attention: Please contact a network administrator before connecting the to your network!
  • Page 60 "Connect unit" menu Subnet mask: The subnet mask is a bit mask that indicates which part of the IP address represents the network and which part represents the device. If a bit is set to "1" in the subnet mask, the corresponding bit Example: 255.255.240.0 belongs to the subnet mask;...
  • Page 61 USER INTERFACE Attention! ***Active target devices*** Several devices may be attached to the Ethernet simultaneously. You have the option of giving each device a name in order to more easily distinguish between the various devices. See page 87 Select the and click on You can use your mouse to control and monitor the unit from the PC screen.

  • Page 62: Network-Based Connection

    "Connect unit" menu Network-based connection If you would like to connect the to your network and Obtain IP via DHCP your network has a DHCP server, then the will be >true< automatically assigned an IP address. To enable this, set the item Obtain IP via DHCP to >true<. Connect the 's network socket to a socket in your network.

  • Page 63: Creating A Direct Connection Between And Pc

    USER INTERFACE Creating a Direct Connection between and PC To establish a direct connection between and a PC, you must manually enter the IP address and subnet mask. A default gateway is not required. Additionally, the IP settings of the PC must match the IP settings of for communication to be established.
  • Page 64 "Connect unit" menu To change the IP settings on your PC, click on StartSettingsControl Panel. Double-click on and open the properties page for the network connection that you want to use to connect to the to the PC. To do this, right-click on the network connection and select Properties.

  • Page 65: Analog Interfaces" Menu

    USER INTERFACE 10.5. "Analog interfaces" menu Select menu The buttons will display the current settings.  If the electronic module has not been installed, the key indicates available submenu >Analog Module< will not be displayed in this menu. 10.5.1. Alarm output Alarm output: Output for external alarm signal.

  • Page 66: Julabo Sensor Pressure / Flow

    "Connect unit" menu 10.5.2. JULABO Sensor Pressure / Flow Attention The socket may be used with original JULABO accessories only. Any other use may damage the unit's electronics. External sensor signal Switch the external sensor signal on and off. The value to select the sensor connected to the JULABO Pressure/Flow Sensor jack.
  • Page 67 M+R adapter M30x1.5 external with Pt100 8981023 M+R adapter M38x1.5 external with Pt100 10.5.3. Bypass Control with CAN Option and JULABO Pressure / Flow Sensor Bypass control is required if small mass flow rates of the bath fluid should ensure high power transfer.
  • Page 68 To do this: The activated bypass control can be recognized on the red icon (at the JULABO lettering). With this control, the pump is automatically adjusted to stage- based control. The stages can be freely selected. The flow rate values can be adjusted in the requested pressure stage (1-4).

  • Page 69: Ext Pt100 2 (Accessory)

    USER INTERFACE Go to the “Analog Interfaces” menu. The current value must be set to flow. The 4 mA and 20 mA values must be defined according to the connected flow sensor. The filter time can be adjusted by the user. Next, the bypass control can be activated in the “Determine Thermodynamics”...

  • Page 70: Analog Module (Optional)

    An unknown error has occurred during the data transfer on the CAN-Bus. The CAN-Bus has deactivated itself for safety reasons. Turn the unit off and then on again after several second. If the error occurs again, please contact JULABO service. The buttons will display the current settings.

  • Page 71: Standby Connector

    USER INTERFACE Standby connector Select Choose between >Inactive< >Active< Standby Activate the standby input: 1. Under menu item >Standby<, set the parameter to >Active<. 2. Connect an external contact “AK” (e.g., for external switch-off) or an alarm contact of the superordinated system. If the connection between pin 2 and pin 3 is interrupted by opening the contact “AK”, a complete shutdown of the circulating pump and heater is effected, and the unit enters the condition “E OFF”.

  • Page 72: Reg+E-Prog Connector

    "Connect unit" menu REG+E-PROG connector Three logging outputs and one input for an external programmer: REG+E-PROG Chan. 1 voltage output 0..10 V Chan. 2 voltage output 0…10 V for outputs EProg external programmer input 0…10 V / 0…20 mA Chan. 3 current output 4…20 mA / 0…20 mA Only SELV entrance for programmer...
  • Page 73 USER INTERFACE Channel 2 (voltage output) Same procedure as channel1. First define output value for channel 2 then define scale. Channel 3 (current output) Push value. First define output value for channel 3. Confirm with Push current range Then define current range for channel 3 Confirm with Example: current range 4 –...
  • Page 74 Pressure actual pump pressure at unit signal of external pressure sensor at socket JULABO Sensor.Pressure/Flow Flow-through signal of external flow-through sensor at socket JULABO Sensor.Pressure/Flow 1. First define the desired output value for channels 1 to 3: Channel 1 and 2: output for temperature (°C) / power (%) /...
  • Page 75 USER INTERFACE EProg - Input Setting is necessary if 1. the Setpoint is to be set via an external voltage or current source or programmer For this, in the menu > Connect unit <, first set the menu item > external setpoint < to >EProg<. 2.
  • Page 76 "Connect unit" menu Important: The usable temperature range between the >„lower value“ < and the > upper value < is limited to the configured working temperature range of the unit (see technical data for working temperature range). Select Push EProg The current settings are displayed.
  • Page 77 USER INTERFACE Please observe instructions for step 3. Example: 20.0 mA Set upper value and Example: 400 °C  Continue automatically You can check the result using a control setting. Example: Set 10.0 mA and the unit will calculate 150.0 °C. Standard display: Under the tab setpoint the setting of the signal is displayed above the...
  • Page 78 "Connect unit" menu This EProg input enables the use of different voltage and current values as program parameters. • Setting the lower value °C 1. Adjust and set the lowest desired value on the voltage or current source (Example A: 1 V). Wait approximately 30 seconds.

  • Page 79: Install Unit" Menu

    USER INTERFACE "Install unit" menu Select in the main menu. 11.1. "Fill unit" menu (refilling) Connect the mains power and switch on the unit at the mains switch. Following the self-test, the unit will be in the "OFF" status and emit an audible signal.
  • Page 80 "Install unit" menu Fill in liquid up to the desired fill level. Return to standard display by pressing If there is too much bath fluid or if the bath fluid extends due to heating during operation, a high level warning is activated. Ticker: The early warning system for high level reports a critical fluid level.

  • Page 81: Empty The Unit" Menu

    USER INTERFACE 11.2. "Empty the unit" menu Caution: Do not drain the bath fluid while it is hot or cold ! Store and dispose the used bath fluid according to the laws for environmental protection. Please also see the separate operating manual „ Preparations: Highly Dynamic Temperature Control System“...
  • Page 82 "Install unit" menu Warnings are displayed as a ticker in the status line. Mute the audible signal by pressing the yellow symbol. Mute the audible signal by pressing the red box. In case of a complete exchange of the bath fluid the expansion tank must also be drained.

  • Page 83: Adjust Sensors" Menu

    USER INTERFACE 11.3. "Adjust sensors" menu Notice: Do not alter the factory-setting for the internal sensor! This is a closed temperature control system: only the calibration of the external sensor is sensible. Both the internal temperature sensor and any external temperature sensor (attached to the "ext.
  • Page 84 "Install unit" menu Example: Calibration of the external sensor. Select >Status< >Inactiv< Important: Select >Edit< During calibration >Status< >inactive< must be activated. Switch to >activ< after calibration. You can perform a >1-point<, >2-point<, or >3-point< calibration Select >Number of points<. Example: >3-point<...
  • Page 85 USER INTERFACE Calibration point 2 Set >Setpoint< Wait Set >Calibration value< Calibration point 3 Set >Setpoint< Wait Set >Calibration value< After the final value has been entered, all calibration points (three in this case) will be displayed. (Values are examples only). Set >Status<...

  • Page 86: Reset Unit" Menu

    "Install unit" menu Examples: 1-point< calibration 3-point< calibration °C °C °C °C 1 = Original curve In case of a 1-point-calibration the calibration curve is moved entirely towards the original curve of the sensor. In case if a 3-point calibration a bent curve may result. Thus the accuracy of the temperature indication can be improved in areas important to the application.

  • Page 87: Unit Name" Menu

    USER INTERFACE 11.5. "Unit name" menu At delivery every unit has a name which can be changed here. Use the keypad to enter the name Example: A40 and Barcode Then use the mains switch to switch the unit off and switch it back on approximately 4 seconds later.
  • Page 88 "Install unit" menu Save parameters Select data carrier Create a new file. Select file name Example: A40_TD Storage parameters  The unit data are saved on an external data carrier. Load parameters Please insert data carrier., e.g. USB stick. Select data carrier Select file Load parameters.

  • Page 89: Configure Unit

    11.7. Configure unit The unit can be configured through the CAN Bus interface using a TFT display module (with USB stick, for example). Configuration files must be approved by JULABO.  Button to go back one step Please insert data carrier., e.g.
  • Page 90 The language setting (German or English) in a configuration file is based primarily on the unit's mains voltage or mains frequency. This is defined by JULABO, since each unit has only one configuration file. If the language is switched during examination of the configuration data, one of the following two displays will appear: Return to desired language setting.

  • Page 91: Firmware Update

    USER INTERFACE 11.8. Firmware update The unit's electronic modules can be programmed through the CAN Bus interface using a TFT display module (with USB stick, for example). Removal not required. As a result, updates are completed quickly and at low cost. •...

  • Page 92: Error Messages, Fault Causes, Remedies

    Error messages, fault causes, remedies Error messages, fault causes, remedies Error messages are divided into two groups, alarms and warnings. For quick differentiation both are shown in different colors on the TFT display. Possible fault causes as well as repair measures are listed. AL ARM d is pl a y Error messages are displayed in a red box.
  • Page 93 USER INTERFACE Help is always accessible through the icons Touch the icon and a list of errors will be displayed. Di sp l a ys d u r in g e r ro r s AL ARM Red > Date and time when the error appeared are stored and displayed. If possible, this data will also be stored during removal of the error.

  • Page 94: Remote Control

    Remote control Remote control 13.1. Setup for remote control Adjust the interface in the „Connect unit Menu“ under menu item „Remote control“ (refer to page 52). The mostly one-time adjustment of the interface parameters is carried out at the unit in its "Digital interfaces" menu (refer to page 55).

  • Page 95: Communication With A Pc Or A Superordinated Data System

    USER INTERFACE 13.2. Communication with a PC or a superordinated data system If the unit is put into remote control mode, the TFT-DISPLAY will  read “R” = REMOTE. In general, the computer (master) sends commands to the instrument (slave). The instrument sends data (including error messages) only when the computer sends a query.

  • Page 96: List Of Commands

    Remote control 13.3. List of commands This list of commands includes all available commands for Axx and Wxx. Some commands may be used only in limited situations and are shown with an appropriate note. Example: [not on A30] 13.3.1. in commands in commands: Asking for parameters or temperature values to be displayed.
  • Page 97 USER INTERFACE Command Parameter Response of instrument in_sp_08 kein Flow rate setpoint. [not on A30] in_sp_09 none Value from pump pressure setpoint. [not on A30] in_sp_10 none Selected variable setting via the serial interface. in_sp_11 none Temperature indication in °C or °F. in_sp_12 none Pump pressure indication in bar or psi.
  • Page 98 Remote control Command Parameter Response of instrument in_par_00 none Difference between the working sensor and the safety sensor in_par_01 none Te - Time constant of the external bath. in_par_02 none Si - Internal slope. in_par_03 none Ti - Time constant of the internal bath. in_par_04 none Control parameter CoSpeed of the external controller 0 ...

  • Page 99: Out Commands

    USER INTERFACE 13.3.2. out commands out commands: Setting parameters or temperature values. Command Parameter Response of instrument out_mode_01 Use working temperature (Setpoint 1). out_mode_01 Use working temperature (Setpoint 2). out_mode_01 Use working temperature (Setpoint 3). out_mode_02 Selftuning “off”. Temperature control using the stored parameters. out_mode_02 Selftuning “once”...
  • Page 100 Remote control Command Parameter Response of instrument out_sp_07 Set the pump pressure stage. (1 ... 4). [not on A30] out_sp_08 xxx.xx Set flow rate setpoint. [not on A30] out_sp_09 xxx.xx Set pump pressure setpoint. [not on A30] out_sp_10 Set variable via the serial interface -100 … 100 [%] out_sp_11 Temperature display in °C.

  • Page 101: Status Messages

    USER INTERFACE Command Parameter Response of instrument out_par_10 Proportional portion of the cascade controller. out_par_11 Tn control parameter of the cascade controller. out_par_12 Tv control parameter of the cascade controller. out _par_13 Maximum internal temperature of the cascade controller. out _par_14 Minimum internal temperature of the cascade controller.

  • Page 102: Communication Via Modbus Tcp/Ip

    Communication via Modbus TCP/IP Communication via Modbus TCP/IP 14.1. Datatypes 14.1.1. Used Datatypes -Modbus protocol uses the following datatypes: Datatype Description Number of used registers short signed value with 16 bits ushort unsigned value with 16 bits signed value with 32 bits uint unsigned value with 32 bits float...

  • Page 103: Holding-Registers

    USER INTERFACE 14.3. Holding-Registers 14.3.1. Function-Codes Name Code (dec.) Code (hex.) Description Read Holding Registers Read multiple Holding Registers from the Write Single Registers Write a single holding register to the Write Multiple Registers Write multiple contiguous holding registers (1- 123) to the .
  • Page 104 Communication via Modbus TCP/IP Register- Protocol Datatype Description Adjustable range address Address ushort control dynamics Aperiodic Standard 17 – 18 float Xp control parameter of the 0.1 … 99.9 1/K cascade controller ushort Tn control parameter of the 3 … 9999 s cascade controller ushort Tv control parameter of the...
  • Page 105 USER INTERFACE Register- Protocol Datatype Description Adjustable range address Address Setpoint limits 70 – 71 float minimum adjustable temperature setpoint 72 – 73 float maximum adjustable temperature setpoint ushort maximum adjustable pump stage 1 – 4 75 – 76 float maximum adjustable pressure setpoint Pressure limits...

  • Page 106: Input-Registers

    Communication via Modbus TCP/IP 14.4. Input-Registers Input-Registers can be read by the master. 14.4.1. Function-Codes Name Code (dec.) Code (hex.) Read Input Registers 14.4.2. Register-Table Register-address Protocol Datatype Description Range / Meaning Address 30001-30002 0 – 1 uint Firmware version Byte1: Major Byte2: Minor Byte3: Build...
  • Page 107 USER INTERFACE Register-address Protocol Datatype Description Range / Meaning Address 30028-20029 27 – 28 float Flow value registered by the external pressure sensor 30030-30031 29 – 30 float Pressure2 [not on 30032-30033 31 – 32 float Cooling water flow rate [not on 30038-20039 37 –...

  • Page 108: Error Messages

    Error messages Error messages In the following all error messages for units, which may occur, are listed. Due to the varying performance classes of the units the number of displayed error messages differs. 1-stage units do not display error messages which affect only errors of stage 2.

  • Page 109: Alarm Messages

    The line to an internal temperature sensor is If this error continues to occur, please interrupted. contact JULABO Service. Local overheating at heater. (1) The viscosity of the liquid may not exceed the maximum permitted value at any working temperature.

  • Page 110: Error In Module Configurations

    Turn off the unit at the power switch, wait 4 seconds, and turn the unit back on. Error in module configurations If this error continues to occur, please contact JULABO Service E102 The line to an internal temperature sensor is If this error continues to occur, please interrupted.
  • Page 111 (3) There is too less recirculation. E118 Error in internal temperature measurement If this error continues to occur, please circuit. contact JULABO Service. E119 Line break in external temperature probe 2. Check the electrical connection to external temperature probe 2 (EXT Pt100 2).
  • Page 112 E420 Error in Stage 1 of the cooling system. If this error continues to occur, please contact JULABO Service. E421 Ambient temperature outside specifications. Please check the ambient temperature and clean the condenser.
  • Page 113 (4) Quantity of cooling water too low E431 No current draw detected from the If this error continues to occur, please compressor / compressor defective contact JULABO Service. E432 Error in cooling system. If the problem persists, please contact JULABO service.
  • Page 114 E510 Current measurement at the "JULABO Check the sensor and the menu settings Sensor Pres./Flow" sensor input for the sensor input "JULABO Sensor incorrect. Pressure/Flow". Flow rate control via external bypass Connect an external bypass to the system or...

  • Page 115: Warning Messages

    The viscosity of the heat transfer medium may not exceed the maximum permitted value at any working temperature. Please contact JULABO Service if you have any questions regarding JULABO heat transfer media. If this error continues to occur, please E1203 Error in pump pressure measurement.
  • Page 116 Diagnosis / Remedy E1210 Error in current measurement for If this error continues to occur, please compressor stage 1. contact JULABO Service. If this error continues to occur, please E1211 Error in current measurement for contact JULABO Service. compressor stage 2.
  • Page 117 USER INTERFACE Alarm-Code Cause Diagnosis / Remedy E1434 Cooling water temperature too high Check cooling water. E1435 Cooling water temperature too low Check cooling water. E1501 A timeout occurred on the serial interface. If the watchdog is activated, the setpoint must be sent to the device periodically, at least every 30 seconds.

  • Page 118: Appendix: Peer-To-Peer Remote Display Operation Of

    Error messages ® Appendix: Peer-to-peer remote display operation of with CerHost via Ethernet 16.1. Connect the to the LAN port of your PC or tablet Please refer to the operating manual of the chapter “Electrical connections on the front side of the device” 16.2.
  • Page 119 USER INTERFACE Right mouse click on the network adapter and select „Properties“. Normally you will find multiple network adapters. You can identify the correct adapter by checking the icon. This should look like the one below: In the properties dialog, scroll down the list under „This connection uses the following items:“, select „Internet Protocol Version 4 (TCP/IPv4)”...

  • Page 120: Adjust Settings On The

    Error messages 16.3. Adjust settings on the Go to “Menu”  “Connect unit”  “Digital interfaces”  ”Ethernet” Deactivate “Obtain IP via DHCP” by selecting “False” and enter an IP address and a subnet mask. Notes: • Use the same subnet mask as previously entered on your PC.
  • Page 121 USER INTERFACE Now the CerHost software mirrors the display on your PC. You can operate the either on the PC as well as on the user interface. Note: • CerHost does not store any adjustments. Once the program is closed and started again you have to connect to the again by repeating the actions described in chapter 4.

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