Julabo LC 4 Temperature controller Manuel d'utilisateur

19515200-V2.doc 26.07.2013 English Operating manual Temperature controller LC4 ! JULABO GmbH 77960 Seelbach / Germany Te

Operating instructions 10 Operating instructions 3. Safety notes for the user 3.1. Explanation of safety notes In addition to the safety warnings li

LC4 11 listed in this manual before installing or operating your unit.  Never operate the unit without bath fluid in the bath.  Observe the flash

Operating controls and functional elements 12 4. Operating controls and functional elements !567910111212348141516131718192021 Rear view

LC4 13 1 Mains power switch, illuminated 2 Start / stop key 3 Working temperature setpoint 4 Control parameter Tv (lead time) 5 Control paramet

Operating procedures 14 5. Operating procedures 5.1. Installation  The unit should be set up at a dry location.  Place the unit in

LC4 15 5.3. Connecting a heating device Caution: Set up the heating device according to the instructions or securely fix the unit in the bath ta

Operating procedures 16 5.5. Applications Directly heated bath liquid:  The bath liquid is directly heated via the heating device.  Working and

LC4 17 Indirectly heated bath liquid:  The bath liquid is indirectly heated.  Working and safety sensors must both be immersed in the bath liq

Operating procedures 18 The display "OFF" or "r OFF" indicates the controller is ready to operate. Also the effective working

LC4 19 5.7. Setting the temperatures Setting the working temperature: 1. Press the setpoint key . The indicator light blinks and the effec

2 Congratulations! You have made an excellent choice. JULABO thanks you for the trust you have placed in us. This operating manual has been design

Operating procedures 20 Setting the Tn (resetting time) 1. Press the key . The indicator light blinks and the effective value for Tn appear

LC4 21 5.8.1. Optimization instructions for the PID control parameters The heat-up curve reveals inappropriate control settings. t°C optimum set

Operating procedures 22 5.9. Setting the safety temperature (with shutdown function) (excess temperature protection)  Press the key to indicate

LC4 23 6. Menu functions Parameters and values are set via the menu level that may be selected at any time.  Enter or exit the menu level by

Menu functions 24 6.2. Temperature range: HL / LL The laboratory controller LC4 features the possibility to limit the working temperature range to

LC4 25 For each parameter set, the control parameters Xp, Tn and Tv may be individually modified and stored (see page 19). Preference: Quick acc

Menu functions 26 6.4. Active countercooling: Pc For applications near the ambient temperature, countercooling might become necessary. For this

LC4 27 6.6. Interface parameters: r - br - P - H RS232C Whenever the parameter setting of the controller is not conform to those of the connected p

Troubleshooting guide / Error messages 28 7. Troubleshooting guide / Error messages ! + Whenever the microprocessor electronics registers a failu

LC4 29 8. Electrical connections Grounded mains socket Connector for heating device  Maximum 1000 W resistive load at 115 V. Maximum current 5

LC4 3 INDEX OPERATING MANUAL ... 4 1. INTENDED U

Electrical connections 30 RS232C serial interface This port can be used to connect a computer with an RS232C cable for remote control of the contro

LC4 31 9. Remote control 9.1. Communication with a PC or a superordinated data system Suitable terminal programs for communicating with a PC are: 

Remote control 32 9.2. List of commands Befehl Parameter Description version none Number of software version (V X.xx) status none Status message,

LC4 33 Command Parameter Description out_par_04 xxx.x Set Tn of parameter set 2 in_par_04 none Ask for Tn of parameter set 2 out_par_05 xxxx

Remote control 34 9.3. Status messages Message Description 00 MANUAL STOP Controller in "OFF" state 01 MANUAL START Controller in keypad

LC4 35 10. Cleaning / repairing the unit Caution: Improper maintenance or repair can result in electric shock or damage to the unit.  Repairs an

Operating manual 4 Operating manual 1. Intended use Fulfilling its principle task, reliable temperature control and measurement, the LC4 temperature

LC4 5 If you have any questions concerning the operation of your unit or the information in this manual, please contact us! Contact: JULABO GmbH Eis

Operator responsibility – Safety recommendations 6 When using hazardous materials or materials that could become hazardous, the operator must affix t

LC4 7 2.2. EC Conformity The products described in the operating instructions conform to the requirements of the following European guidelines: L

Operator responsibility – Safety recommendations 8 2.4. Technical specifications LC4 Adjustable temperature range °C -50 ... 350 Display accur

LC4 9 Safety installations according to IEC 61010-2-010: Excess temperature protection 0 °C ... 350 °C Supplementary safety installations: Superv