Emerson 20/20 User Manual

Vission 20/20 micro-controllerOperation and service manual

Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153TOC - 8How to Use This ManualThis manual contains instructions for the

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20 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 20 • Data BackupOverviewThe database backup screen provid

20 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Load:• Selecting load allows the operator to load data from a US

20 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Figure 20-2. Data Backup Screen - Migrate and Factory ResetMigrat

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21 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 21 • MaintenanceOverviewThe maintenance screen is a conve

21 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153NotesThe notes tab allows the operator to make notes to any other

22 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 22 • User AccessOverviewThe user access screen is where a

22 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153LoginThe login tab is where an operator will enter the users name

22 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153either select the username from the operators win-dow or enter th

1 – 1Figure 1-1. Operational Flow Charts (1 of 2)Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 1 • Operationa

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23 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 23 • Help ScreenOverviewUse this screen to receive help o

23 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Back:• Pressing the back button will rewrite the fi le/folder lis

24 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 24 • Twin Screw ControlOverviewThe Vission 20/20 is capab

24 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153OperationOnce the twin screw is confi gured, its operation is very

25 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 25 • Cool Compression ControlOverviewThe cool compression

25 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153enable Superheat Monitoring on the screen.• As previously describ

25 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 25 • Cool Compression Control• Auto Load Timer • This ti

25 – 4Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 25 • Cool Compression Controloperational differences that

1 – 2Figure 1-1. Operational Flow Charts (2 of 2)Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153IsSuction Press <Su

35391SC 1.8.5153 (11/12) Emerson and Vilter are trademarks of Emerson Electric Co. or one of its affi liated companies. © 2012 Emerson Climate Technol

2 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 2 • Installation RecommendationsProper Wiring Sizing• Alw

2 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 2 • Installation RecommendationsGrounding• Continuous grou

2 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Figure 2-5. Correct Transformer Wiring Method Wiring Methods• Eac

2 – 4Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Best Practices• Do:• Keep AC wires away from circuit boards.• Alw

3 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 3 • Hardware ArchitectureOverviewThe Vission 20/20 control

3 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Digital Input/Output (I/O)Refer to Table 2-1. Digital I/O.Compress

3 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Table 3-1. Digital I/O (1 of 2)Board I/O # Description Type1 1 Com

3 – 4Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153High Level Shutdown Input:• This input must be energized in order

3 – 5Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 3 • Hardware ArchitectureTable 3-2. Analog Inputs (1 of 2)

3 – 6Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Volume Position:• Reads the 0-5 volt signal back from the slide v

3 – 7Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Table 3-3. Analog OutputsBoard I/O # Description Type10 1 Compress

3 – 8Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Digital Output BoardsThe digital output board convert signals gene

3 – 9Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Digital Input BoardsThe digital input board convert 120Vdc signals

3 – 10Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Digital In-Out BoardsThe digital input - output board convert sig

3 – 11Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 3 • Hardware ArchitectureAnalog Input BoardsThe analog in

3 – 12Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 3 • Hardware ArchitectureAnalog Input Jumper TablesThe fo

3 – 13Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153CHANNEL 5 SIGNAL JP-13 JP-14 JP-15 JP-31Analog Input 5 0-5 VOLT

Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153TOC - 1Table of ContentsSection Title Section NumberHow To Use This Ma

3 – 14Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Analog Output BoardsThe Analog Output board convert signals form

4 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 4 • Main ScreenFigure 4-1. Main ScreenOverviewThe Main Scr

4 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 4 • Main ScreenFigure 4-2. Top Status BarTop Status BarThe

4 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Figure 4-3. Parameter BarParameter BarThe main purpose of the Para

4 – 4Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Parameter Bar (Continued)Unit Start Button:• When pressed, a star

4 – 5Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Bottom Status BarThe bottom status bar gives the operator easy acc

4 – 6Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 4 • Main ScreenSplash ScreenThe splash screen is the dynam

5 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 5 • Menu ScreenOverviewThe menu screen is the launching po

5 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 5 • Menu ScreenInstrument calibration:• Navigates to the

6 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 6 • Compressor ControlOverviewThe compressor control scree

Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153TOC - 2Section 4 • Main ScreenOverview ...

6 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153As mentioned in the above paragraph, the distance of the process v

6 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153The auto-cycle function will operate only in local “Auto” mode and

6 – 4Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153NOTEVFD installation is not covered in this manual. A VFD that is

6 – 5Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153This button is active only when compressor is in local Auto mode a

6 – 6Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153grayed out and hence, the user will not be able to op-erate Pulldo

6 – 7Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Load AnticipatingThe purpose of the load anticipating algorithm is

6 – 8Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153operator consult PID tuning guides available from many different s

7 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153OverviewThe Alarms and Trips screen allows the operator to view an

7 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153selected in the Control Mode dropdown selection found in the Compr

7 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Compressor InhibitsThe Vission 20/20 uses several start inhibits t

Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153TOC - 3Section 10 • Compressor SequencingOverview ...

7 – 4Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153False Start • This message appears when the compressor stops and

8 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153OverviewThe timers screen allows the operator to view and adjust t

8 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Low Oil Pressure Safety Bypass:• This is the length of time in wh

8 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153to remove all power to the system.Low Suction Pressure Safety Bypa

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9 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 9 • Compressor SchedulingOverviewThis menu allows the oper

9 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153as “Unscheduled” if operator does not want to use all 4 events per

10 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 10 • Compressor SequencingOverviewCompressor sequencing s

10 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153monitor compressor load. If Suction pressure / pro-cess temperatu

10 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Status Symbols:• Status symbols shows status of Slave compressor

Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153TOC - 4Section 16 • Event ListOverview ...

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11 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 11 • Condenser ControlOverviewThis screen allows the oper

11 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Condenser Press:• This is the read only parameter and it display

11 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Figure 11-2. Step Control ScreenSection 11 • Condenser Controlsel

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12 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 12 • Service OptionsOverviewThe Service Option screen all

12 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153of the volume actuator. The output is connected to terminal 15 an

13 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 13 • Instruments CalibrationOverviewThe Instrument Calibr

13 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153devices are predefi ned and if one is selected, then all the setpo

13 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Analog InputsThis section of the Calibration screen allows the op

Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153TOC - 5Section 20 • Data BackupOverview ...

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14 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 14 • Slide CalibrationOverviewThe Slide Calibration scree

14 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153mechanical stops for normal slide travel. These soft-ware limits

14 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.51534. From the main screen select the Menu button.5. On the menu scr

14 – 4Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Command Shaft RotationThe following table describes the rotation

14 – 5Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Slide Valve Troubleshooting GuideThe Analog output card of the Vi

14 – 6Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Table 14-2. Slide Valve Troubleshooting Guide (2 of 2)Problem Rea

14 – 7Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Slide Valve Actuator Troubleshooting Guide Blink CodeVilter actua

14 – 8Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 14 • Slide CalibrationTable 14-3. LED Blink Codes and Tro

15 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 15 • Trend ChartOverviewThis screen allows the operator t

Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153TOC - 6Table 3-1. Digital I/O ...

15 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153zoom level operator can view 3 minutes of trend data and Zoom In

15 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Figure 15-2. Trend Setup ScreenSection 15 • Trend ChartSetupThe o

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16 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 16 • Event ListOverviewThis screen is designed to display

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17 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 17 • Input / OutputOverviewThis screen displays “Live Dat

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18 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 18 • Auxiliary Input / OutputOverviewThe Auxiliary Input/

18 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Inhibit Check:• Selecting this checkbox enables the inhibit func

18 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153• High Alarm:• This defi nes the upper limit of the input value, t

Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153TOC - 7Figure 19-4. Configuration Screen - Page 4 ...

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19 – 1Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 19 • ConfigurationOverviewThe confi guration screen is whe

19 – 2Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153logging and troubleshooting. Setting these parameter will set the

19 – 3Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153due to repeated motor starts. The operator has 3 choices of prote

19 – 4Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 19 • ConfigurationCompressor ControlVilter compressors ty

19 – 5Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 19 • ConfigurationCondenser ControlThe values in this sec

19 – 6Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Section 19 • ConfigurationDigital InputsThe Vission 20/20 has sev

19 – 7Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Analog InputsThe Vission 20/20 has several Analog inputs that the

19 – 8Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Figure 19-5. Confi guration Screen - Page 5Analog OutputsThe Vissi

19 – 9Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153Figure 19-6. Confi guration Screen - Page 6I/O Confi gurationIf any