Table of Contents
Related Manuals for VDH PROBA 50
Summary of Contents for VDH PROBA 50
- Page 1 PROBA 50 User manual (Wall- and Panel-mounting) User Manual PROBA 50 - English Doc.no.: 951573 Version: V1.3 Software: 000498 PROBA50 Version: V1.05 Date: 07-03-2012 File: DO951573.HND VDH Products BV Signed: Pages: - Roden - Holland...
- Page 2 Blad: 2 of 26 Disclaimer The information contained in this document is assumed to be accurate. However VDH Products BV accepts no liability for eventual mistakes or errors and has the right to change this document without notice. Copyright Notice Copyright 1995 VDH Products BV, Roden The Netherlands.
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Page 3: Table Of Contents
Switching the PROBA 50 ON and OFF ........ -
Page 4: Introduction
During a number of days (the length of the program, in this case is 4) a temperature setpoint is entered for each day. On a given day, the PROBA 50 regulates the temperature in the ripening room to be equal or close to that particular value. -
Page 5: Method Of Temperature Control
3. When the warming-up phase is passed, the temperature is controlled on the average of sensor 1 and 2. The PROBA 50 Control of the PROBA 50 The control computer PROBA 50 can be controlled fully via its front panel and has a number of control and display features: Push buttons, Displays, LED's. -
Page 6: Readout Temperature, Clock, Sensors And Setpoints
(HEAT ON) or not (HEAT OFF). After the measured values of all sensors have been displayed, pressing the SENS key once again will bring the PROBA 50 back into its normal working condition. The SENS-LED goes off and the average temperature is shown again in the display. - Page 7 VDH Products BV Document 951573 - Version 1.3 Blad: 7 of 26 The number of days of this program can now be selected and is shown in the DAY display. The length can vary from 1 to 9 days. With the UP and DOWN keys the length of the program can be changed.
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Page 8: Stopping A Ripening Program
To allow the ripener to adapt the ripening program whilst it is running, it is possible to change the setpoint of the current day. This is only possible when the PROG or the STANDBY LED are lit, which shows that the PROBA 50 is regulating. -
Page 9: Standby
Press the SETPOINT-key to exit the setting. 2.1.6 Standby In the STANDBY mode the PROBA 50 will regulate for unlimited time on a fixed setpoint temperature in the ripening room. This STANDBY mode for example can be used if products other than bananas are stored in the ripening room. -
Page 10: Starting And Stopping The Ventilation
VDH Products BV Document 951573 - Version 1.3 Blad: 10 of 26 Press the GAS key. The display shows the text 'GAS' and 'on'. If gasification is not to be started, press the GAS key. The average temperature shows in the display again. -
Page 11: Stepping A Program
During the course of a ripening program, it is possible to change the program clock or the day in which the PROBA 50 is running. We call this 'Stepping' a program. With this 'Stepping' the length of a program can be made shorter by stepping forward or longer by stepping back. -
Page 12: 2.1.11 Switching Sensors On/Off
Finish switching sensors on/off by pressing the SENS key. Please note: If only one temperature sensor is switched on, the PROBA 50 does not allow the user to switch this sensor off. If this sensor needs to be switched off, the... -
Page 13: Adjustment Of The Proba50
KEY key. Since most of the settings in the Interal Programming affect the regulation characterisics of the PROBA 50, all controls are inactive, for as long as the PROBA 50 is in the Internal Programming mode. In Appendix B all parameters are shown. -
Page 14: Regulation Characteristics Of The Proba 50
Please note: When changing differentials and offsets of cooling and heating, the PROBA 50 ensures that no situations arise with which it is possible that cooling and heating are switched on at the same time. In case the user tries to change the... -
Page 15: Alarms And Warnings Of The Proba 50
VDH Products BV Document 951573 - Version 1.3 Blad: 15 of 26 Alarms and warnings of the PROBA 50 Alarms and warnings are adjustable within the following parameters: Description Min. Max. Absolute Maximum Temperature Alarm -10.0°C +40.0°C Absolute Minimum Temperature Alarm -10.0°C... -
Page 16: Error Messages
Error messages The PROBA 50 has a large variety of ways to detect errors and failures. These are shown in an error code in the display, while the ALARM LED lights and, depending on the type of error, the ALARM relay makes contact. -
Page 17: Datalogger
Blad: 17 of 26 Datalogger The PROBA 50 stores every hour measured temperatures, setpoint and the status of the relay. The data of the last 28 days is stored in the memory. During power failure of the PROBA50 logging will stop. The unit records that there has been a power failure. -
Page 18: Appendix A (Error Messages)
VDH Products BV Document 951573 - Version 1.3 Blad: 18 of 26 Appendix A (Error messages) Summary of error messages PROBA 50 type 'E' = Fatal Error. type 'F' = Non Fatal Error. Table of Fatal Errors All present temperature sensors are at fault... -
Page 19: Appendix B (Internal Parameters)
VDH Products BV Document 951573 - Version 1.3 Blad: 19 of 26 Appendix B (Internal Parameters) Number Description Range Unit Default Differential cooling 0..20.0 °C Offset cooling -20..20.0 °C -0.1 Differential heating 0..20.0 °C Offset heating -20..20.0 °C -0.6 Absolute maximum alarm -10..40.0... - Page 20 VDH Products BV Document 951573 - Version 1.3 Blad: 20 of 26 Number Description Range Unit Default Temperature day 0 program 1 -10..40.0 °C 14.5 Temperature day 1 program 1 -10..40.0 °C 18.0 Temperature day 2 program 1 -10..40.0 °C 18.0...
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Page 21: Appendix C (Technical Specifications)
VDH Products BV Document 951573 - Version 1.3 Blad: 21 of 26 Appendix C (Technical Specifications) Specifikations. Type : PROBA 50 Wall-mounting; Housing : Grey plastic Polystyrol 454h KG 2 natur BASF Dimensions : 213 x 180 x 85mm (whd) Panel-mounting;... -
Page 22: Appendix D (Frontview Proba50)
VDH Products BV Document 951573 - Version 1.3 Blad: 22 of 26 Appendix D (Frontview PROBA50) Wall-mounting: Panel-mounting:... -
Page 23: Appendix E (Connection Diagram Proba50)
VDH Products BV Document 951573 - Version 1.3 Blad: 23 of 26 Appendix E (Connection diagram PROBA50) Wall-mounting:... - Page 24 VDH Products BV Document 951573 - Version 1.3 Blad: 24 of 26 Panel-mounting:...
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Page 25: Appendix F (Dimensions Proba50)
VDH Products BV Document 951573 - Version 1.3 Blad: 25 of 26 Appendix F (Dimensions PROBA50) Wall-mounting:... - Page 26 VDH Products BV Document 951573 - Version 1.3 Blad: 26 of 26 Panel-mounting:...