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Summary of Contents for Julabo F81-HL
- Page 1 English Operating Manual Ultra-Low Refrigerated Circulator F81-HL FP89-HL F95-SL FW95-SL JULABO GmbH 77960 Seelbach / Germany Tel. +49 (0) 7823 / 51-0 +49 (0) 7823 / 24 91 info.de@julabo.com www.julabo.com 1.951.2814-V6 06/18 19512814-V6.docx 26.06.18...
- Page 2 Congratulations! You have made an excellent choice. JULABO thanks you for the trust you have placed in us. This operating manual has been designed to help you gain an understanding of the operation and possible applications of our circulators. For optimal utilization of all functions, we recommend that you thoroughly study this manual prior to beginning operation.
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Page 3: Table Of Contents
HL, SL TABLE OF CONTENTS Operating manual ........................ 5 Intended use ......................... 5 1.1. Description ....................... 5 Operator responsibility – Safety recommendations ............6 2.1. Disposal ........................8 2.2. Warranty conditions ....................8 2.3. EC Conformity ......................9 2.4. Technical specifications ..................13 2.5. - Page 4 12.3. List of commands ....................89 12.4. Status messages ....................92 12.5. Error messages....................... 92 13. JULABO Service – Online remote diagnosis ............... 94 14. Installation of electronic module with analog connectors ..........95 15. Cleaning / repairing the unit ..................95...
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Page 5: Operating Manual
Operating manual Intended use JULABO circulators have been designed to control the temperature of specific fluids in a bath tank. The units feature pump connections for temperature control of external systems (loop circuit). JULABO circulators are not suitable for direct temperature control of foods, semi- luxury foods and tobacco, or pharmaceutical and medical products. -
Page 6: Operator Responsibility - Safety Recommendations
Operator responsibility – Safety recommendations Operator responsibility – Safety recommendations The products of JULABO ensure safe operation when installed, operated, and maintained according to common safety regulations. This section explains the potential dangers that may arise when operating the circulator and also specifies the most important safety precautions to preclude these dangers as far as possible. - Page 7 Warning label W26: Colors: yellow, black Hot surface warning. (The label is put on by JULABO) Observe the instructions in the manuals for instruments of a different make that you connect to the circulator, particularly the respective safety recommendations. Also observe the pin assignment of...
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Page 8: Disposal
GmbH’s original invoice. JULABO GmbH reserves the right to decide the validity of any warranty claim. In case of faults arising either due to faulty materials or workmanship, parts will be repaired or replaced free of charge, or a new replacement unit will be supplied. -
Page 9: Ec Conformity
HL, SL 2.3. EC Conformity... - Page 10 Operator responsibility – Safety recommendations...
- Page 11 HL, SL...
- Page 12 Operator responsibility – Safety recommendations...
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Page 13: Technical Specifications
HL, SL 2.4. Technical specifications Ultra-Low Refrigerated Circulator F81-HL Working temperature range °C -81 ... 100 Temperature stability °C ±0,02 Cooling capacity °C Medium ethanol 0.45 0.38 0.36 0.32 0.27 0.07 Cooling compressor 2-stage Refrigerant R404A + R23 Overall dimensions... - Page 14 Operator responsibility – Safety recommendations Ultra-Low Refrigerated Circulator F95-SL Working temperature range °C -95 ... 0 Temperature stability °C ±0,05 Cooling capacity °C Medium ethanol 0.36 Cooling compressor 2- stage Refrigerant R404A + R23 Overall dimensions (WxDxH) 59x76x116 Bath opening (WxL) ∅...
- Page 15 • The operator undertakes to have maintenance, repair, service, recovery and recycling work carried out by certified personnel who have been authorized by JULABO. • All such work must be documented. The operator must keep records and archive them for at least five years.
- Page 16 Operator responsibility – Safety recommendations Electrical connections: External alarm device 24-0 V DC / max. 25 mA Computer interface RS232 or RS485 External Pt100 sensor Optional for HL, SL (Order No. 8900100 Electronic module with analog connections) Programmer input -100 °C to 400 °C = 0 - 10 V or 0 - 20 mA or 4 - 20 mA Input for the signal of a flow meter or external manipulated variable Temperature recorder outputs 0 - 10 V (0 V = -100 °C, 10 V = 400 °C)
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Page 17: Cooling Water Connection
HL, SL 2.5. Cooling water connection Cooling water pressure (IN/OUT) max. 6 bar Pressure difference (IN - OUT) 3.5 to 6 bar Cooling water temperature < 20 °C Notice: Cooling water circuit Risk of oil leaking from the refrigeration system (compressor) of the recirculating cooler into the cooling water in case of a fault in the cooling water circuit! Observe the laws and regulations of the water distribution company valid in the location where the unit is operated. -
Page 18: Operating Instructions
Operating instructions Operating instructions Safety notes for the user 3.1. Explanation of safety notes In addition to the safety warnings listed, warnings are posted throughout the operating manual. These warnings are designated by an exclamation mark inside an equilateral triangle. “Warning of a dangerous situation (Attention! Please follow the documentation).”... -
Page 19: Safety Recommendations
HL, SL 3.3. Safety recommendations Follow the safety instructions to avoid personal injury and property damage. Also, the valid safety instructions for workplaces must be followed. • Only connect the unit to a power socket with an earthing contact (PE – protective earth)! •... - Page 20 Safety notes for the user Caution: The temperature controlling i.e. of fluids in a reactor constitutes normal circulator practice. We do not know which substances are contained within these vessels. Many substances are: • inflammable, easily ignited or explosive • hazardous to health •...
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Page 21: Operating Controls And Functional Elements
HL, SL Operating controls and functional elements Front view Rear view Mains power switch, illuminated for circulator Mains power switch, illuminated for cooling machine VFD COMFORT-DISPLAY Header: Control indicators Line 1: Actual value internal or external The display is depending on the selected control mode in the menu >... - Page 22 Operating controls and functional elements Flow rate in liters/minute (providing EPROG input set to >Flow rate<) *refer to >MENU / CONFIGIGURATIO> page 39 Control indicators in the header: Heating / Cooling / Alarm / emote control Control indicators in the header: Temperature indication Internal or External actual value Temperature indication in °C or °F Display for the adjusted pump pressure stage in the -OFF- mode.
- Page 23 HL, SL Keypad 1 Navigation keys 1. Key: >OK< Start / Stop (pump / heater ) 2. >OK< in the menu Menu item / select submenu for setting Save set value Save selected parameter A beep signals the end of setting After the actions Start, Stop and change from VFD Display to standard display the key is locked for a short time.
- Page 24 Socket for external measurement and control sensor or external setpoint programming ext Pt100 Interface RS232 / RS485: remote control via personal computer SERIAL Control cable of JULABO refrigerated circulator Socket: output for alarm messages Socket: Option: Electronic module Order No. 8 900 100 The circulator automatically recognizes the connected electronic module.
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Page 25: Preparations
HL, SL Preparations 5.1. Installation • Place the unit on an even surface on a pad made of non-flammable material. Using the castors move the unit to the intended location. For better stability, apply the holding breaks on the front casters. •... - Page 26 Fire or other dangers when using bath fluids that are not recommended: Use only non-acidic and non-corroding bath fluids. JULABO assumes no liability for damage caused by the selection of an unsuitable bath liquid. Unsuitable bath fluids are fluids which, e.g., •...
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Page 27: Temperature Application To External Systems
Differing flow rates of the pressure and suction pumps should be compensated. To maintain a constant liquid level, the JULABO „D+S“ Level Adapter is recommended for the external bath tank. The flow rate of the pressure pump will be then regulated by a built-in float device. -
Page 28: Tubing
Preparations Backflow safety device If the liquid levels in the circulator bath and the external SERIAL ALARM STAND-BY REG+ system are at different heights, overflowing must be Pt100 E-PROG prevented after the power has been turned off. T16A T16A Flood hazard! T1.25A For this reason, solenoid valves for loop circuit or shut-off valves can be integrated in the loop circuit. -
Page 29: Filling / Draining
HL, SL • Avoid sharp bends in the tubing, and maintain a sufficient distance from surrounding walls. • Regularly check the tubing for material defects (e.g. for cracks). • Preventive maintenance: Replace the tubing from time to time. 5.4. Filling / draining Notice: •... -
Page 30: Operating Procedures
Operating procedures Operating procedures 6.1. Power connection Caution: • Only connect the unit to a power socket with earthing contact (PE – protective earth)! • The power supply plug serves as safe disconnecting device from the line and must be always easily accessible. •... -
Page 31: Switching On The Cooling Machine
HL, SL 6.2.2. Switching on the cooling machine Switching on: • Switch on the cooling machine using the switch (1b) . Control of the cooling machine F81, F95, FW95: With the mains switch (1b) turned on, the circulator automatically switches the cooling machine off and on. -
Page 32: Setting Of Temperatures
Setting of temperatures Setting of temperatures Press the key to call up the menu for temperature selection. 3 different working temperatures can be adjusted. Their values are freely selectable within the operating temperature range. The temperatures can be set in start or stop mode. Setting of working temperature in the menu 1. - Page 33 HL, SL Warning: Adjust excess-temperature safety device below the flash point of the bath fluid. In case of wrong setting there is a fire hazard! We disclaim all liability for damage caused by wrong settings! SafeTemp: Setting range: 20 °C ... 320 °C ...
- Page 34 Safety installations, warning functions Press for help on the LCD Depending on the setting of >ControlType - internal or external< the actual temperature values for both sensors are shown/indicated on both displays. Examples: I 94.06 Ext. : xx.xx°C Type: >Warning<...
- Page 35 HL, SL • Setting >WARNING< A mere warning function with optical and audible warning signal (interval tone) A message appears on the VFD COMFORT-DISPLAY: OverTemp SubTemp The LCD –DISPLAY shows the message: • Setting >ALARM< Temperature limit with shutdown of heater and circulating pump. An audible alarm sounds (continuous tone) and a message appears on the VFD COMFORT-DISPLAY: OverTemp...
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Page 36: Early Warning System, Low Level Protection
Safety installations, warning functions 8.0.1. Early warning system, low level protection This low level protection is independent of the control circuit and is divided into two sections: . 1. Switch in stage 1 recognizes a critical fluid level DBGM: 20306059.8 An audible warning (interval tone) sounds and a message appears on the VFD COMFORT-DISPLAY. -
Page 37: Menu Functions
HL, SL Menu functions The term „menu functions“ refers to adjustments such as Menu level 1 Start program Page 39 This menu will start a previously set program. Administration and creation of programs Page 44 Electronically adjustable pump capacity Page 48 The capacity of the circulating pump is set by adjusting the motor speed. - Page 38 Menu functions Menu level 1 Adjustable interface parameters Page 62 BAUDRATE, PARITY, HANDSHAKE ATC - Absolute Temperature Calibration, Page 63 Sensor calibration internal sensor, Sensor calibration external sensor 3-point calibration Limitations of temperature and capacity Page 70 Setpoint Max / Min - Maximum and minimum setpoint Heating Max –...
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Page 39: Start Of A Program
HL, SL 9.1. Start of a program The start menu of the integrated programmer allows one of six previously stored temperature programs to be called up and started. The profiles are started manually or via the integrated timer. Requirements: 1. - Page 40 Menu functions Level 2 Parameter /Value • Set desired parameters with Confirm >now< with the key and the program will start immediately start at the set time under parameter (time ). Set time in the example below: 09. August 2009, 11:15 hrs ...
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Page 41: Status At The End Of A Program
HL, SL 9.1.1. Status at the end of a program Program end StdBy , PSetp, Setp 1, Setp 2 , Setp 3 This parameter is used to determine if the unit switches to the -OFF- condition at the end of a profile or if temperature control is continued, and the working temperature setpoint that is to be used if temperature control is continued. -
Page 42: Interrupting A Program
Menu functions Initiation and exit of the editing function: • After the start enter the submenu „3 EDITOR“.by pressing the key See chapter „program administration, creation“ page 44 • Exit the editing modus anytime by pressing the key Particularity for changes in a section that is currently in process. ... -
Page 43: Interruption After A Power Failure
HL, SL 9.1.5. Interruption after a power failure It is possible to operate the programmer safely in case of a power failure. Important: For this, >Autostart< needs to be set in the >Configuration< menu. If the AUTOSTART function is activated, the programmer starts again at a point approx. -
Page 44: Program Administration, Creation
Menu functions 9.2. Program administration, creation The integrated programmer permits fast and easy programming of setpoint temperature sequences. This temperature sequence is called program. A program is composed of individual sections (Step). The sections are defined by duration (t) or Gradient (°/t) and target temperature. - Page 45 HL, SL Editing PrgNr: Set the program you wish to create. 0 ... 5 SP : Setpoint TI : Time [hh:mm] or GRD: Gradient [°/t] = [°/min] Change type of program in MENU >configuration<, menu item >Programmtyp/program type< . ...
- Page 46 Menu functions Delete It is possible to delete an entire program or consecutive sections Delete PrgNr: Set the program you wish to delete 0 ... 5 Delete from Step X to Step X - (0 … 59) Press the key if a parameter is to be retained.
- Page 47 HL, SL Print Every program can be printed via the serial interface for control and documentation purposes. Press the key if a parameter is to be retained. (prior to OK) Submenu >Print< Level 2 • Set menu item >Print PrgNr.< by pressing •...
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Page 48: Setting The Pump Pressure
Menu functions 9.3. Setting the pump pressure The capacity of the circulating pump is set by adjusting the motor speed Press the key if a parameter is to be retained. (prior to OK) Submenu >Pump< Level 2 The set pump stage is displayed. -
Page 49: Configuration
HL, SL 9.4. Configuration Press the key if a parameter is to be retained. (prior to OK) Level 2 Parameter level Remote control via serial interface. Possible parameters: off / on Switch on and off remote control by pressing ... - Page 50 Menu functions Level 2 Parameter level Pump-Mode Possible parameters: P. on / P. off • Switch on and off >Off-Mode by pressing P.on continuous operation of circulating pump P.off circulating pump is linked to Start/Stop ActVar - actuating variable Possible parameters: control, Eprog, serial ...
- Page 51 HL, SL Level 2 Parameter level Reset • Return to factory settings by pressing >Reset?< returns all set values to the factory setting except for date and time. A RESET can be effected only in the – OFF- mode. ...
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Page 52: Remote Control Via The Serial Interface
Menu functions 9.4.1. Remote control via the serial interface Setpoint is set via the serial RS232/RS485 interface through a PC or Factory setting: off superordinated data system. In the header of the VFD COMFORT-DISPLAY, an “ ” illuminates. It indicates that remote control mode is active. ... -
Page 53: Autostart
- Autostart off (Factory setting) Note: The circulator has been configured and delivered 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). -
Page 54: Actvar - Actuating Variable
Menu functions 9.4.5. ActVar - actuating variable The variable (ACTuating VARiable) corresponds to the extent to which the heater or cooling unit of the circulator is controlled. Heat or cold is applied to the bath according to this variable. If this happens with the control electronics of the circulator, called >... -
Page 55: Setting Of Clock And Date
HL, SL 9.4.6. Setting of clock and date The internal real time clock allows starting a program any time. The clock is set to the local mean time (MEZ) at the factory. If the unit is operated in a different time zone, the clock can be adjusted in this menu. -
Page 56: Control
Menu functions 9.5. Control The circulator is designed for internal and external temperature control. This can be switched in this submenu. Only the set of parameters corresponding to the particular setting is displayed. Control internal Control external For external temperature control and measurement connect a Pt100 external sensor to the socket at the rear of the circulator. - Page 57 HL, SL Control Type internal Parameter-Level • The value flashes. Set by using the numeric keypad and confirm by pressing Example: Setting range: 0.1 … 99.9 K • The value flashes. Set by using the numeric keypad and confirm by pressing Setting range: 3 …...
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Page 58: Control Internal / External
Menu functions 9.5.1. Control internal / external The control type can be adjusted in the -OFF- mode only. Possible parameters: intern internal temperature control extern external temperature control with external Pt100 sensor IMPORTANT: Additional measures for external temperature control. ext. -
Page 59: Selftuning
HL, SL 9.5.2. Selftuning When performing a selftuning for the controlled system (temperature application system), the control parameters Xp, Tn and Tv are automatically determined and stored. Possible parameters: off - no selftuning The control parameters ascertained during the last identification are used for control purposes. -
Page 60: Cospeed - Extern
Menu functions 9.5.4. CoSpeed - extern CoSpeed: This parameter affects the temperature pattern only in case of external control. Possible parameters: 0 ... 5 During selftuning, the control parameters Xp, Tn, °C Int. temperature and Tv of a controlled system are automatically determined and stored. - Page 61 HL, SL Optimization instructions for the PID control parameters: optimum setting The heat-up curve reveals inappropriate control °C settings. Inappropriate settings may produce the following heat-up curves: Xp too low Tv/Tn too low °C °C Xp too high or Tv too high Tv/Tn too high or Xp too high °C °C...
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Page 62: Serial Interface
Menu functions 9.6. Serial Interface For communication between the circulator and a PC or a superordinated Factory settings: process system, the interface parameters of both units must be identical. 4800 Baud The adjustment is usually carried out one time only in the >Interface serial< even menu. -
Page 63: Atc Absolute Temperature Calibration, 3-Point Calibration
HL, SL 9.7. ATC Absolute Temperature Calibration, 3-point calibration ATC is used to compensate for a temperature difference between the circulator and a defined measuring point in the bath tank that may develop for physical reasons. internal external Principle: For ATC calibration, in steady state the bath temperature at the location Example: of the temperature sensor (CT) is determined at the respective adjusted 1-point calibration... - Page 64 Menu functions Press the key if a parameter is to be retained. (prior to OK) Level 2 Parameter-Level • The parameter flashes, switch by pressing The parameter flashes, switch by pressing >no< Carry out an ATC calibration ...
- Page 65 HL, SL The value >TmpValue< is only indicated In addition the measured temperature value >CalValue X< is saved during the next step. • The value flashes. Set by using the numeric keypad and confirm by pressing If only a 2-point calibration is carried out, the following menu items are not indicated anymore The value >TmpValue<...
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Page 66: Atc Fühler - Intern / Extern
Menu functions 9.7.1. ATC Fühler - intern / extern In the first submenu the ATC function is set for the >intern< internal or the >extern< external temperature sensor. Calibration can be carried out for the internal temperature sensor and for the external temperature sensor connected to the socket „ext. - Page 67 HL, SL 1. Set circulator to internal control: The type of control can be set only in the –OFF- mode. 80.00 °C 2. Set working temperature setpoint 120.00 °C See standard display line 1 160.00 °C • Example 80.00 °C Press the keys and confirm by pressing •...
- Page 68 Menu functions • The value flashes. Set by using the numeric keypad and confirm by pressing Return to 2. Set working temperature value: 120.00 °C The value >TmpValue< is only indicated. In addition the measured temperature value >CalValue X< is saved during the next step.
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Page 69: Limits
HL, SL 9.8. Limits The >Limits< menu allows the minimum and maximum values to be set for all important setting ranges and capacity variables. Control internal Control external Press the key if a parameter is to be retained. (prior to OK). ... -
Page 70: Limits For Internal Control And External Control
Menu functions • The parameter flashes. Set by using the numeric keypad and confirm by pressing • The parameter flashes. Set by using the numeric keypad and confirm by pressing • The parameter flashes. Set by using the numeric keypad and confirm by pressing ... -
Page 71: Limits For External Control
HL, SL 9.8.2. Limits for external control INTERN MAX / MIN Restriction for the temperature range of the internal bath. Setting range: -94,9 °C ... +300,0 °C The limits IntMax and IntMin are only active in external control. IntMax and IntMin determine fixed limits for the temperature within the internal bath. -
Page 72: Analog Inputs/Outputs
Menu functions 9.9. Analog inputs/outputs In order to use the analog inputs and outputs, the circulator must be equipped with the electronic module, which is available as option. Order No. 8 900 100 Electronic module ALARM STAND-BY REG+ E-PROG This submenu enables the input and output values to be set for the programmer input and the temperature recorder outputs of the REG+E- PROG socket. - Page 73 HL, SL Level 2 Level 3 Parameter-level Define the output value for channel 1 Possible parameters: ActInt, ActExt, Power, Setpoint • The parameter flashes, switch by pressing Select the scale for channel 1. • The value flashes. Set by using the numeric keypad and confirm by pressing •...
- Page 74 Menu functions Level 2 Level 3 Parameter-level Define the output value for channel 3 Possible parameters: ActInt, ActExt, Power, Setpoint • The parameter flashes, switch by pressing Select the scale for channel 3. • The value flashes. Set by using the numeric keypad and confirm by pressing •...
- Page 75 HL, SL Level 2 Level 3 Parameter-level Possible parameters: voltage, current • The parameter flashes, switch by pressing • The value flashes. Set by using the numeric keypad and confirm by pressing • The value flashes Set by using the numeric keypad and confirm by pressing ...
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Page 76: Control Connector
Menu functions Level 2 Level 3 Parameter-level Possible parameters: normal, inverse • The parameter flashes, switch by pressing 9.9.1. Control connector Control connector (14): SV-Out >Backflow< or >C-Pulse< or >Refill< The control output (14) can be adapted to solenoid valves for different tasks. -
Page 77: Outputs Of The Connector - Reg+E-Prog
HL, SL 9.9.2. Outputs of the connector - REG+E-PROG Outputs of the connector 1. First define the desired output value for channels 1 to 3: ActInt internal actual temperature value (bath temperature) ActExt external actual temperature value (external sensor) Power periodic or intermittent heating or cooling Setpoint active setpoint temperature (setpoint 1, 2, 3/integr. -
Page 78: Input Of The Connector - Reg+E-Prog
Menu functions 9.9.3. Input of the connector - REG+E-PROG E-PROG - Input Setting is necessary if Menu >Configuration< 1. the Setpoint is to be set via an external voltage or current source or programmer For this, in the menu >Configuration<, first set the menu item >Setpoint<... - Page 79 HL, SL After returning the LCD display to standard display by pressing the , the temperature value adjusted and set on the external voltage or current source is displayed in line 1 (Example: Eprog 50.00 °C). This EPROG input enables the use of different voltage and current values as program parameters.
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Page 80: External Stand-By Input
Menu functions 9.9.4. External Stand-by input Ext. StBy (External STAND-BY input) Stand-By input for external switch-off. Possible parameters: inactive - Stand-By input is ignored active - Stand-By input is active Activate the standby input: 1. Under menu item >Ext. StBy<, set the parameter to >active<. 2. -
Page 81: Alarm-Output
HL, SL 9.9.5. Alarm-output Alarm output (10) (for external alarm signal) This socket is a potential-free change-over contact. With the adjustments in the menu >Inputs/Outputs<, all operating conditions can be signaled without having to change the pin assignments. Meaning of the terms under menu item >Function< : The circulator is in condition ALARM >StandBy<... -
Page 82: Troubleshooting Guide / Error Messages
The float is defect (e. g., because damaged in transit). Repair by authorized JULABO service personnel. During the self-test after switch-on a short-circuit is registered between pin 2 and pin 4 of the control cable or the control cable is interrupted during operation. - Page 83 HL, SL Defect of the working or excess temperature sensor. The working temperature and excess temperature sensors report a temperature difference of more than 35 K. Other errors (I C-BUS errors) Error in A/D converter Excess temperature sensor is defective. The safety temperature is below the working temperature setpoint.
- Page 84 Replenish the bath tank with bath fluid. After eliminating the malfunction, turn the mains power switch off and on again to cancel the alarm state. If the unit cannot be returned to operation, contact an authorized JULABO service center. Special message “CONFIGURATION ERROR”...
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Page 85: Electrical Connections
HL, SL 11. Electrical connections Notice: Use shielded cables only. The shield of the connecting cable is electrically connected to the plug housing. The unit ensures safe operation if connecting cables with a maximum length of 3 m are used. The use of longer cables does not affect proper performance of the unit, however external interferences may have a negative impact on safe operation (e.g. - Page 86 8 900 110 USB interface adapter cable / Control output The connector may only be used for control of a JULABO refrigerated circulator or JULABO MVS Solenoid valve controller for cooling water. Pin assignment: Signal (only with attached JULABO equipment) +24 V (I max.
- Page 87 HL, SL Programmer input / temperature recorder output Signal 1 Voltage output Channel 1 0 ... 10 V 2 Voltage output Channel 2 0 ... 10 V 3 GND for outputs REG+E-PROG 4 Programmer input EPROG 0 to 10 V / 0 to 20 mA 5 Current output Channel 3 0 to 20 mA / 4 to 20 mA...
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Page 88: Remote Control
Remote control 12. Remote control 12.1. Setup for remote control 1. Check the interface parameters for both interfaces (on the circulator and PC) and make sure they match. In the >Interface< menu, set the menu item >Type< to >RS232< or SERIAL >RS485<. -
Page 89: List Of Commands
HL, SL The out commands are valid only in remote control mode. Examples: When the RS485 interface is used, the three-digit instrument address precedes each command. (example: address Ad32 = A032) Command to set the working temperature >Setpoint1< to 55.5 °C OUT_SP_00 ⇔... - Page 90 Remote control Command Parameter Response of circulator OUT_MODE_08 Set the control dynamics - aperiodic OUT_MODE_08 Set the control dynamics - standard OUT_SP_00 xxx.xx Set working temperature. “Setpoint 1” OUT_SP_01 xxx.xx Set working temperature. “Setpoint 2” OUT_SP_02 xxx.xx Set working temperature. “Setpoint 3” OUT_SP_03 xxx.xx Set high temperature warning limit “OverTemp”...
- Page 91 HL, SL Command Parameter Response of circulator IN_PV_02 none Temperature value registered by the external Pt100 sensor. IN_PV_03 none Temperature value registered by the safety sensor. IN_PV_04 none Setpoint temperature (“SafeTemp”) of the excess temperature protection IN_SP_00 none Working temperature “Setpoint 1” IN_SP_01 none Working temperature “Setpoint 2”...
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Page 92: Status Messages
Remote control Command Parameter Response of circulator IN_MODE_01 none Selected setpoint: 0 = Setpoint 1 1 = Setpoint 2 2 = Setpoint 3 IN_MODE_02 none Selftuning type: 0 = Selftuning “off” 1 = Selftuning “once” 2 = Selftuning “always” IN_MODE_03 none Type of external programmer input: 0 = Voltage 0 V to 10 V... - Page 93 HL, SL Error messages Description -05 WORKING SENSOR ALARM Working temperature sensor short-circuited or disconnected. -06 SENSOR DIFFERENCE ALARM Sensor difference alarm. Working temperature and safety sensors report a temperature difference of more than 35 K. -07 I C-BUS ERROR Internal error when reading or writing the I C bus.
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Page 94: Julabo Service - Online Remote Diagnosis
JULABO Service – Online remote diagnosis 13. JULABO Service – Online remote diagnosis JULABO circulators of the HighTech series are equipped with a black box. This box is implemented in the controller and records all significant data for the last 30 minutes. -
Page 95: Installation Of Electronic Module With Analog Connectors
HL, SL 14. Installation of electronic module with analog connectors Caution: Always turn off the unit and disconnect the mains cable from the power source before performing any service or maintenance procedures, or before moving the unit. Configuration, installation, maintenance, and repairs on the circulator may be performed only by qualified personnel. - Page 96 The circulator is designed for continuous operation under normal conditions. Periodic maintenance is not required. The tank should be filled only with a bath fluid recommended by JULABO. To avoid contamination, it is essential to change the bath fluid from time to time. Repairs...
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