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Conviron CMP4030 User Manual

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This Guide belongs to: _____________________________________________
Published by
Controlled Environments Limited
590 Berry Street
Winnipeg. Manitoba. Canada
R3H 0R9
November 2002
Copyright © 2003 Controlled Environments Limited. All rights reserved.
Conviron CMP4030
User Guide
For controllers using:
• Version 6.0 software
• Independent temperature shut-off (ITSO)
• External battery

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Summary of Contents for Conviron CMP4030

  • Page 1 Conviron CMP4030 User Guide For controllers using: • Version 6.0 software • Independent temperature shut-off (ITSO) • External battery This Guide belongs to: _____________________________________________ Published by Controlled Environments Limited 590 Berry Street Winnipeg. Manitoba. Canada R3H 0R9 November 2002 Copyright © 2003 Controlled Environments Limited. All rights reserved.
  • Page 2 Do not touch any parts or conductors on the board even when you are wearing a grounded wrist strap. Do not lay paper on static-sensitive parts. Ship components to Conviron in anti-static bags. Make sure everyone that may work on the control panel is aware of these procedures.
  • Page 3 User Guide Table of Contents Chapter 1 – The CMP4030 Chapter 2 – The Status Screen Chapter 3 – Programming Chapter 4 – Alarm Management Chapter 5 – Login and Security Procedures Chapter 6 – Setting Options and Logging Data Chapter 7 –...

  • Page 4: Table Of Contents

    Activating security, 5-6 Exporting Logged Data, 1-5 Alarm External Controller Battery, Replacing, 7-6 indicators, 4-6 labels, Appendix A Features of CMP4030, 1-4 messages, Appendix B Features of Version 6.0 software, 1-3 options, 4-4 see also, Appendix C priority values, 4-5...
  • Page 5 Save program screen, 3-13 Saving a program, 3-14 Saving Programs to Disk, 1-5 Security screen procedures, 5-4 levels and functions, 5-5 activating, 5-6 procedures for the CMP4030, 5-1 Setting the chemical drier, 6-4 defrost, 6-5 dehumidification, 6-5 logging options, 6-6 SRAM, clearing, 7-5...

  • Page 6: The Status Screen

    Chapter 1: The CMP4030 This manual is intended for users with moderate experience with computers or with Conviron products. This manual provides instruction • starting the controller • setting up programs • logging data • understanding and managing alarms •...

  • Page 7: Chapter 1: The Cmp4030

    Appendix B – Alarm Messages Appendix C – Features of Version 6.0 Software Appendix D – The Psychrometric Chart The software contained in the CMP4030 controller is the property of Conviron and its licensors and is protected by copyright law. CMP4030 User Guide...

  • Page 8: Programming

    Features of Version 6.0 Software Features of Version 6.0 Software • Boot up boot up is faster than in previous versions • the functionality of the screen is faster, easier and more intuitive Screen Functionality • a set button/keypad replaces the scrolling arrows used in previous versions •...
  • Page 9 Chapter 1: The CMP4030 Features of the CMP4030 The CMP4030 Local Control System (LCS) is used to control the plant growth chamber. The ‘brain’ of the LCS is the Version 6.0 software. The Touch Screen The system uses a Liquid Crystal Display (LCD) panel with an integrated touch screen as the user interface.
  • Page 10 The data files are easily imported into programs such as  Excel Expandability The CMP4030 is a flexible control system and adding capacity is a simple process. If there is a need to control additional devices or equipment, hardware and software upgrades are available. Contact Conviron Customer Care.
  • Page 11 Chapter 1: The CMP4030 Memory-loss Cautions Memory-loss hazard: A continuous supply of electricity to the controller is essential to preserve its memory. If memory is lost, the controller will not function and cannot be repaired. An external battery provides backup when the regular power supply is unavailable.
  • Page 12 Conviron's Technical Support Conviron's Technical Support Important: When contacting Conviron for technical support, please provide the chamber Serial Number, which is located on the rating plate on the side of the chamber. Head Office Customer Services Controlled Environments Limited (CONVIRON)

  • Page 13: Chapter 2: The Status Screen

    Chapter 2: The Status Screen The Status screen provides a comprehensive overview of the chamber’s current program and conditions. This chapter describes: • how to use and read status screen fields The Status Screen The Status screen is displayed when the controller is powered on. Security Options Program...

  • Page 14: Diagnostic Screen,

    Chapter 2: The Status Screen Status Screen Fields The Status Screen Toolbar provides access to other CMP4030 Toolbar functions. Touch to access the Trendgraph screen. Trendgraph button Touch to access the Security screen. Security button Diagnostics Touch to access the Diagnostics screen.
  • Page 15 Status Screen Fields • (TEMP) Zone The default reading, TEMP, is the control zone. Selector • If there is more than one temperature zone, touch the zone selector button to display the readings for each zone. The Chart Recorder will display each zone as it is selected.
  • Page 16 If a program cannot be run, the program indicator field will display one of the following warning messages. – cannot open current file no chain specified cannot open chain file chain file has incorrect format (and cannot be run) ✻ CMP4030 User Guide November 2002...
  • Page 17 Status Screen Fields Chart Recorder The chart recorder provides the facility to view a charted history of four programmed zones including: temperature relative humidity lighting and/or auxiliaries The recorder is comprised of a graph and eight buttons. Temperature Relative Humidity Lighting /Auxiliary The eight buttons represent the actual and programmed...
  • Page 18 Chart Recorder, the scale displayed will relate to the zone that was most recently charted. We recommend that the chart be used to view the programmed and actual conditions of one zone at a time. CMP4030 User Guide November 2002...

  • Page 19: Chapter 3: Programming

    Chapter 3: Programming This chapter introduces procedures for programming the CMP4030 using the Program screen. The settings entered in the Program screen control conditions in the plant growth chamber. This chapter describes: The Program screen and toolbar • Programming the CMP4030 •...

  • Page 20: Screen,

    Program Program Program Open Program Stop Chain Exit Program Program Program Screen Help Toolbar Table Cell Information Program Number Table Display Keypad Program Table Toolbar Sort Binary Event Backspace Scroll Buttons Graph Switch Program Delete CMP4030 User Guide November 2002...

  • Page 21: Screen Fields,

    The Program Screen Program Screen Fields The Program Table • Each Row of the program table represents a Timeline. • Each Column represents a Zone. Program Table Icons Each icon at the top of the table corresponds to a chamber zone. The configuration of the controller will determine which zones are displayed.

  • Page 22: Screen Toolbar,

    Run Program button on the Program button screen and the Program button on the Status screen flash. Help button To access on-line help, touch the Help button, then the field or button for which help is required. CMP4030 User Guide November 2002...

  • Page 23: Table Toolbar,

    The Keypad The Program Table Toolbar Up/Down Scroll Use to move the program table up or down. Left/Right Scroll Use to move the program table left or right. Touch to sort timelines chronologically. When a program is Sort saved, timelines sort automatically. Graph Program Touch to view a graph of the program for the active zone.
  • Page 24 Displays the range of settings for the alarm limits that apply to Active Zone Alarm the active zone. Limit Range Active Zone Displays the chamber operating range for the active zone. Operating Range Displays the chained program path and number. Chained Program Path and Number CMP4030 User Guide November 2002...

  • Page 25: The Controller,

    When one program ends and the next program begins (at midnight), the CMP4030 opens the program file for the new day and reads the first timeline regardless of the program’s time settings.

  • Page 26: Entering Timelines,

    8. Complete the timeline by entering values in the remaining zones. 9. Complete the program by entering additional timelines as required. CMP4030 User Guide November 2002...

  • Page 27: Changing A Timeline,

    Programming the Controller Tips: • Start programs at 00:00 and end them at 23:59. Programs following this format are easier to interpret. • It is not necessary to enter timelines in chronological order. Touch the Save button at any time to save and sort the timelines entered. •...

  • Page 28: Verifying A Program,

    Program Table toolbar. The Program Graph screen will display the timelines. Check the program to ensure that all entries are correct. Touch the Exit button to return to the program table. 3-10 CMP4030 User Guide November 2002...

  • Page 29: Inserting Timelines In A Ramp,

    Sample Program 1: Basic Day/Night program This program is useful to simulate outdoor conditions. Note: Program red light spectrum for dawn and dusk by turning on two levels of incandescent lamps and turning off fluorescent lamps. • Midnight (0:00) – Temperature in the growth chamber is 18º C Temperature •...

  • Page 30: In Step Mode,

    Note: The psychrometric chart is a valuable tool when writing a program. To view a copy of the psychrometric chart and for more information on understanding and using the chart, refer to Appendix D. 3-12 CMP4030 User Guide November 2002...

  • Page 31: Save Program Screen,

    2. Saving Programs 2. Saving Programs To access the Save Program screen, touch the Save Program button in the Program toolbar. Exit Help Prompt Display Number Display Drive Name Keypad Program Number Backspace Save Screen Fields Exit button Touch the Exit button to return to the Status screen. To access on-line help, touch the Help button, then the field or Help button button for which help is required.

  • Page 32: Deleting A Program,

    2. When the program number appears, touch the DEL button. A dialogue box will appear for confirmation to delete. 3. Touch Yes to confirm. The program will be deleted. The delete program function is available in the Save Program or Chain Program screens. 3-14 CMP4030 User Guide November 2002...

  • Page 33: Chain Program Screen,

    Save Screen Fields 3. Chaining Programs – Multi-Day Programming The Chain Program screen provides the facility to create programs that can run with different conditions over multiple days. Chaining is the process of linking programs together so that they run continuously in sequence.

  • Page 34: Chain Program Screen Fields,

    4. Touch the OK button. The controller will save the chain. The Program screen will display when the programs have been chained. The program table cell Information field for the chained program path will be updated with the chained program number. 3-16 CMP4030 User Guide November 2002...

  • Page 35: Several Programs,

    Chaining a Program to Itself Chaining Several Programs 1. Access the Program Screen. 2. Open the first program in the chain. 3. Touch the Chain Program button in the Program toolbar. The Chain screen will display. The message in the Prompt display field will read: Enter file to chain to: 4.

  • Page 36: Running A Chained Program,

    If the controller is not able to follow the chain: • an alarm(s) will be displayed and an error message will indicate why the chain could not be followed • the current program will run continuously 3-18 CMP4030 User Guide November 2002...

  • Page 37: Binary Mode,

    Programming Auxiliaries Programming Auxiliaries Auxiliary switches are programmable timers that are used to power other devices on or off. Auxiliary switches can be used for: • time lapse photography • automatic watering • gas dosing • fertilizing These switches are an optional feature. If the chamber is equipped with auxiliaries, the program table will display an auxiliary icon each one, as each auxiliary is a zone of control.
  • Page 38 Is on from 18:00 (6:00 pm) until 18:30 (6:30 pm) • Is on from 19:00 (7:00 pm) until 7:00 am. Auxiliary 2 – Event mode • Is on for 25 seconds at 7:00 am • Is on for 25 seconds at 10:00 am 3-20 CMP4030 User Guide November 2002...

  • Page 39: Alarm Management

    Chapter 4: Alarm Management Setting and managing Alarms are essential parts of an experiment. Alarms monitor experiment conditions and provide notification when a condition changes beyond the set limits. The Alarm facility provides: • the ability to program Alarms to protect the experiment and research. •...

  • Page 40: Screen,

    To access the Alarm screen, touch the Alarm button in the Status screen toolbar. Exit Help Alarm Label High Low Alarm Alarm Limit Limit Alarm Priority Alarm Sequence Number Alarm Alarm Date Alarm Message and Time Status Display CMP4030 User Guide November 2002...

  • Page 41: Screen Fields,

    Alarm Screen Fields From the Alarm screen, touch the Exit button to return to the Exit button Status screen. To access on-line help, touch the Help button, then the field or Help button button for which help is required. This field displays the current Alarm Label. Use the arrows to Alarm Label scroll through the list of labels.
  • Page 42 TEMP = Temperature warning alarm Track SD = Shut Down on Tracking alarm High High ACTUAL High High Track High ITSO SDTD TEMP TEMPERATURE Track SD Warn Low Track Low Track Time ITSO SDTD TEMP Warn CMP4030 User Guide November 2002...

  • Page 43: Priority Values,

    • The value entered cannot be higher than the factory set maximum. Note: New with Conviron’s Version 6.0 software, the values entered in the limit fields are saved so that this information does not have to be re-entered when the system is re-booted.

  • Page 44: Alarm Indicators,

    Alarm Indicators An Alarm indicator notifies the user that a problem exists. Two standard Alarm indicators are built into every Conviron growth chamber. In addition to these, there are optional Alarms, which can be built into the chamber. • An Alarm button...

  • Page 45: Responding To,

    Responding to an Alarm An Alarm provides warning that a problem exists in the program. Access the Alarm screen by touching the Alarm button in the Status toolbar. Read the Alarm message. If you do not understand the message, refer to Appendix B: Alarm Messages. Record the time that the message was issued.

  • Page 46: Independent Temperature Shut Off,

    Contact Conviron Customer Care for more information. Technical Support For technical support, contact your local technicians. When contacting Conviron Customer Care, please provide the chamber serial number, which is located on the rating plate on the side of the chamber. Toll free in North America...

  • Page 47: Login And Security Procedures

    Chapter 5: Login and Security Procedures CMP4030 Security Procedures The CMP4030 is shipped with security features turned off. This enables the user to start the chamber and become familiar with the chamber controls without having to enter a password. We recommend that a security administrator be assigned to administer user login authority and that security features are added as soon as possible.

  • Page 48: Login Screen,

    Chapter 5: Login and Security Procedures The Login Screen To access the Login screen, touch the Security button in the Status toolbar. Help Exit Function Display Prompt Display Number Display Chamber ID Keypad Security Lock Backspace CMP4030 User Guide November 2002...

  • Page 49: Login Screen Fields,

    Login Screen Fields Login Screen Fields Touch the Exit button to close the Login screen and to return to Exit button the Status screen. To access on-line help, touch the Help button, then the field or Help button button for which help is required. Function Display This field displays the function selected.

  • Page 50: Changing Your Password,

    2. Enter your User ID using the keypad. Touch OK. 3. Enter your Password. Touch OK. The Function Display field will read Login successful and you will have access to the CMP4030 screens associated with your security level. If the Login screen reads User not found or Password incorrect, contact your Security Administrator.

  • Page 51: Levels And Functions,

    Security Levels and Functions Security Provides Access to: Level Status screen Trendgraph screen Security screen excluding: adding or removing users with a security level greater than 10. Alarm screen in view only mode, which allows you to cycle through the labels and alarm messages but not to change settings or delete messages.

  • Page 52: Activating Security,

    Repeat steps 3 and 4 to add other users. Remember to set the appropriate security level. For reference, maintain a paper copy of the User ID’s and passwords. This information is restricted and should be stored in a secure place. CMP4030 User Guide November 2002...

  • Page 53: Default User Ids,

    User was removed. Default User IDs Default User IDs are set at Conviron. This allows the Security Administrators to first, activate security and then set up temporary User IDs and passwords for themselves and for other users.

  • Page 54: Setting Options And Logging Data

    Chapter 6: Setting Options and Logging Data Setting options is a critical part of control system operation as the experiment data recorded is dependent on the type of options selected. The logging feature provides a record of chamber conditions throughout the experiment. The Options screen allows the user to: •...

  • Page 55: Options Screen,

    Ambient temperature can affect the brightness of the controller screen. Use the brightness controls to make adjustments. Chamber ID The Chamber ID identifies the chamber to the Central Control System (CCS) The ID is comprised of Group and Unit numbers CMP4030 User Guide November 2002...

  • Page 56: Options Screen Fields,

    Options Screen Fields System (CCS). The ID is comprised of Group and Unit numbers. Group number – may be used to identify a group of chambers by a common trait such as room, floor or owner. Unit number – indicates the number of the individual chamber in the group.

  • Page 57: Programming,

    Chemical Drier/Defrost and Dehumidification Settings If your chamber is equipped with chemical drier, defrost or dehumidification features, the buttons to adjust these parameters will appear on the Options screen. Consult Conviron Customer Care before adjusting these settings. CMP4030 User Guide November 2002...

  • Page 58: Defrost,

    • Turning the Dehumidification feature off saves on energy costs and wear on the components. Setting Defrost Defrost parameters should be set by service personnel under the instruction of Conviron Technical Support. Contact Conviron Customer Care for more information.

  • Page 59: Logging Options,

    There are four available settings. Note: Chambers equipped with an FDD or connected to a CCS, automatically download data to those devices. Setting the appropriate log function is important should one of these devices fail. Settings System Response CMP4030 User Guide November 2002...

  • Page 60: Storing Logged Data,

    Options Screen Fields 1. No Loop, Alarm Stop logging to prevent overwriting of data (Default Setting) and raise an alarm on the Alarm screen. 2. Loop, Alarm Overwrite the oldest data in internal memory and raise an alarm on the Alarm screen.

  • Page 61: Trendgraph Screen Fields,

    Touch the Exit button to return to the Status screen. Exit button Touch the Reset button to clear the screen Reset Touch the Show button to display a graph of the data for the Show selected label. CMP4030 User Guide November 2002...
  • Page 62 Trendgraph Screen Fields Logging Capacity The Logging Capacity field displays the number of hours of logged data that can be stored in the internal memory of the controller. If logged data exists for the time period, it will be displayed on the Trendgraph screen and the X-axis will be scaled.

  • Page 63: Creating A Graph,

    Touch the Add button to plot the data of another logged label on the graph. • The scale of the y-axis changes to the scale of the most recently selected label. Stop Graphing To stop graphing, touch the graph area of the screen once. 6-10 CMP4030 User Guide November 2002...

  • Page 64: Maintenance And Troubleshooting

    Chapter 7: Maintenance and Troubleshooting This chapter describes: • how to inspect and clean control panel components • how to check operating histories using the Diagnostics screen • how to clear the static Ram (SRAM) and re-calibrate the touch screen •...
  • Page 65 Replace non-working fans immediately. Cleaning the Air Intake Filter Most Conviron control panels are equipped with a fresh air intake to cool the control panel components. The intake grill and filter prevent dust and other debris from getting inside the control panel.
  • Page 66 Controller Software Updates The Diagnostic Screen To access the Diagnostic screen touch the Diagnostic button in the Status toolbar. Physical Output Label Current Sequence Location Setting Number Help Exit Label Fields Operating Cycles Hours Power Power Bar Setting...
  • Page 67 Touch the CLR button to clear the service history for the output The Power Bar displays the current output voltage relative to Power Bar maximum output voltage. The voltage can be adjusted to perform diagnostics. CMP4030 User Guide November 2002...
  • Page 68 Controller Software Updates Clearing SRAM Memory and Recalibrating the Touch Screen Read these directions completely before clearing the SRAM or recalibrating the touch screen. This procedure is not equipped with an Escape feature. Once started, it must be completed. Important: If you make a mistake, •...
  • Page 69 Contact Conviron Customer Care. 2. Have a new controller battery as specified in the Major Component Reference List (Appendix B of the Conviron CMP4030 Service Manual) and one of the following tools ready: a probe – 1.5mm (1/16") diameter by 12mm (1/2") long a flat-blade screwdriver –...
  • Page 70 Contact Conviron's Service Department and read the service manual before attempting to replace the battery. Replace the battery only with a Conviron approved part. This battery needs to be replaced every 5 years as part of the normal maintenance...
  • Page 71 Instructions for performing software updates are included in the CMP4030 Service Manual. We recommend that service personnel or users with advanced knowledge of the CMP4030 controller perform software updates. Contact Conviron Customer Care for more information. For more efficient service, please have the serial number of your chamber available.
  • Page 72 Appendix A: Labels This appendix lists and describes various labels displayed on the CMP4030 controller. There are four label categories: Reference, Input, Output and Set Point. Each label falls into one of the four categories. Reference • Reference labels describe useful information about the chamber, such as the model type and/or serial number.
  • Page 73 Appendix A: Labels Label Category Description AUX1… output Auxiliary switch 1… CFMTR output Circulating fan motor CFMTR_SW input Circulating fan motor switch (for monitoring fan status) CO2 (CO2A) input Carbon dioxide sensor COSVLV output CO2 solenoid valve CSVLV output Cooling solenoid valve CSW1…...
  • Page 74 Label Category Description FLUOR_VOLTS input Fluorescent volts (for controlling dimming ballasts) HCMTR output Centrifugal atomizing humidifier motor for additive humidity HCMVLV output Heat/cool modulating (proportional) valve HPSOD1… output High pressure sodium lamp 1… HSVLV output Heating solenoid valve HTR1… output Electric heater 1…...
  • Page 75 Appendix A: Labels Label Category Description lamps) SP_MHAL set point Metal halide lighting SUDLY output Start up delay (controls main contactor) TEMP input Temperature inside the plant growth area Tip: The TEMP label applies to both control and alarm settings. Enter alarm limits that are slightly beyond the experiment’s minimum and maximum program conditions.
  • Page 76 This appendix describes standard alarm history messages, possible causes and recommended solutions. For more information on these procedures, refer to Chapter 7: Maintenance and Troubleshooting. Additional information can be found in Conviron Service Bulletins. Note: If the recommended solutions do not resolve the existing problem, contact Conviron Customer Care.
  • Page 77 Alarm code Alm msgCode x y Description An alarm event occurred for which the msgCode is undefined. Solution Contact Conviron Customer Care Alarm code alm to host Description Reports an error writing an alarm record to the CCS (host). • priority: 75 Defaults •...
  • Page 78 Solution Verify Start/Stop switch set to ON. Check ITSO limits. Will not appear if SUDLY is off • Alarm limit shut down – alarm for limit raised. • Program stopped – no alarm message Alarm code Circulation fan failure (if equipped with monitoring) Description The chamber circulation fans have stopped unexpectedly.
  • Page 79 • User Interaction Level: not accessible Cause In most cases this message appears due to changes to controller configuration. In this case the message is a notification only. If the message persists, contact Conviron Customer Care. Solution Alarm code log data crpt...
  • Page 80 • User Interaction Level: not accessible Cause These messages indicate a serious hardware problem. Solution Contact Conviron Customer Care Alarm code max ret exc; inp bd x Description The controller failed to read or write a byte from an input board, 3 times.
  • Page 81 • priority: 75 • User Interaction Level: not accessible Cause This message indicates a serious problem. Solution Contact Conviron Customer Care. Alarm code Temperature Limit Shutdown x y Description The chamber has turned itself off because the temperature is outside of the deviation limits.
  • Page 82 At ambient temperature, restart the chamber and monitor. (To restart, it will be necessary to either stop and restart the program or cycle the power to the chamber). If the temperature continues to move away from the set limit for more than a minute, contract Conviron Customer Care. App. B-7...
  • Page 83 Defaults • User Interaction Level: not accessible Cause Possible defective triac or driver Solution Contact Conviron Customer Care Alarm code w err; log hand to sram Description The log handler could not write a buffer from SRAM. • priority: 75 Defaults •...
  • Page 84 The following alarm messages pertain to units equipped with the 1620 TEMP_LIMIT sensor only. This unit was discontinued in 1998. TEMP_LIMIT is the label used in the Alarm screen of the CMP4030 controller to set the limits in the 1620 device.
  • Page 85 Alarm code 1620 w err B bd x Description The CMP4030 was unable to write new low or high limit values to the 1620. • x is the number of the input board the 1620 is connected to • priority: 75 Defaults •...
  • Page 86 SRAM was zeroed on boot up. • Main contactor state is monitored (Chamber Off alarm). • The chamber qualifies alarm conditions to prevent nuisance alarms that are a result of the main contactor state. App. C -1 CMP4030 User Guide November 2002...
  • Page 87 Appendix D: The Psychrometric Chart Psychrometrics defines the relationship between air temperature and moisture content and their effect on relative humidity and dew point. The psychrometric chart graphically represents the relationship of air temperature and moisture content. Developing an understanding of psychrometrics and how to read the psychrometric chart will help you, •...
  • Page 88 Appendix D: The Psychrometric Chart Using the Psychrometric Chart If you know the dry bulb temperature of the air and any one of the other values, you can determine the rest of the values. Refer to the attached psychrometric chart. Using the values that you know, locate their intersection on the chart to determine the other values.
  • Page 89 Error! No text of specified style in document. Understanding your Chamber’s Performance Capabilities A chamber’s relative humidity operating range is defined by: • the chamber’s options • its physical operation Lower Limit of Operation • The cooling coil temperature determines the lower limit of operation. The cooling coil usually runs between 4 –...
  • Page 90 Appendix D: The Psychrometric Chart Upper Limit of Operation The upper limit of operation is determined by the effectiveness of the additive humidity devices (such as spray nozzles), and the cooling coil temperature. • The warmer the air, the more moisture it can hold. However, there are physical limitations to how much moisture can be injected and absorbed into the air.
  • Page 92 Glossary button An active spot on the screen that performs an action when touched. Buttons on the CMP4030 screens contain text or icons. Acronym for Central Control System. cell The individual entry points in the program table defined by the intersection of any row (timeline) and any column (zone).
  • Page 93 The intersection of a row and a column is a cell. ramping When conditions change gradually and steadily between timelines. The CMP4030 works in ramping mode. Any single row in the program table that contains a setting or timeline settings that define conditions in the plant growth area. For example, temperature and relative humidity.

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