Emerson 20/20 service manual Communications, Touchscreen, Anti-Recycle

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Section 19 • Configuration

logging and troubleshooting. Setting these parameter will set the hardware clock embedded in the Vission 20/20 CPU. If the time is not retained after powering down the panel, the operator should check and/or re- place the coin style battery on the panel SBC behind the touchscreen.

Format:

Selection to choose between 12 hour or 24 hours clock.

Hour:

Entry box to set the clock hours. AM or PM drop-down box will available if the 12 hour format is selected.

Minute:

Entry Box to set the clock minutes. Second:

Entry Box to set the clock seconds. Year:

Entry Box to set the current year. Month:

Entry Box to set the current month. Day:

Entry Box to set the current date.

Communications

The communication section is the control center for all communications to the Vission 20/20 panel. It is possi- ble to have multiple modes of communications enabled and used. However, only one mode can be used to con- trol the Vission 20/20 which is selected in the “Active Remote Control” drop-down box. For a complete list of communication registers, please refer to the Vission 20/20 communication table.

Active Remote Control:

Selects the mode of remote control. The operator can select between Direct I/O, Serial, or Ethernet.

Direct I/O:

Enables the Direct I/O inputs. Once selected a pop-up will be displayed and the operator will need to choose a one of the three Direct I/O options

Serial (Modbus RTU):

Enables the Serial Modbus RTU protocol. Once se- lected, the remainder of the serial setpoints will be available for editing.

Panel ID:

Panel Identifier used by the controller when commu- nicating with multiple panels.

Port:

The Vission 20/20 has two ways to communicate on serial bus. Either via the built in serial port, P12, or through one of the USB ports. This drop-down box allows the operator to chose which one will be used.

Baud Rate:

Sets the Baud Rate for the serial communication. Data Bits:

Fixed at 8 Data bits.

Stop Bits:

Identifies the end of character for re-synchronizing. Parity:

Identifies the type of error detection.

Ethernet:

Enables the Ethernet port. Once selected, the re- mainder of the Ethernet setpoints will be available for editing.

Panel ID:

Panel Identifier used by the controller when commu- nicating with multiple panels.

IP Address:

Entry box to set the IP address. Subnet Mask:

Entry box to set the Subnet Mask. Gateway:

Entry box to set the Gateway address. Protocol:

Drop-down box to select the type of protocol used to remotely control the Vission 20/20.

Touchscreen

The “Calibrate” button changes the screen into touch- screen calibration mode. Calibrating the touchscreen is only required if the operator finds that the pointer ar- row no longer follows his finger. The calibration mode requires the operator to touch the four corners of the touchscreen and then the accept button.

Anti-Recycle

Anti-Recycle defines the method of motor protection

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Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.8.5153

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Contents Vission 20/20 micro-controller Page Table of Contents TOC Digital I/O Board Layout Top Status BarCompressor Sequencing Event List Data Backup List of Tables and Figures END of TOC How to Use This Manual Operational Flow Charts Requirements to Start CompressorCritical Compressor Run Logic at Compressor Start Compressor Amperage Load LimitingOperational Flow Charts 2 Voltage Source Installation RecommendationsProper Wiring Sizing Mixing Voltages DC signalsGrounding Wiring Methods Correct Transformer Wiring MethodBest Practices Hardware Architecture OverviewDigital Input/Output I/O Digital I/O 1 Board Description TypeAnalog Inputs Refer to -2. Analog Inputs Motor CurrentDigital I/O 2 Analog Inputs 1Analog Outputs Digital & Analog I/O Boards LayoutAnalog Inputs 2 Digital I/O Board LayoutDigital Output Boards Digital Output Board LayoutDigital Input Boards Digital Input Board LayoutDigital In-Out Boards Digital Input-Output Board LayoutAnalog Input Boards Analog Input Board LayoutChannel Signal Analog Input Jumper TablesJP-13 JP-14 JP-15 JP-31 Analog Output Boards Analog Output Board LayoutMain Screen Main ScreenTop Status Bar Parameter Bar Unit Start Pop-Up Window Bottom Status Bar Splash Screen Menu Screen Navigation ButtonsMenu Screen Compressor Control Pulse Proportional ControlAuto-Cycle Proportional Band & SetpointVariable Frequency Drive VFD VFD One-Step Control MethodPumpdown Control Pulldown Control Control Mode Volume Slide Position OffsetStop Load and Force Unload Capacity Slide Triggered OutputsLiquid Injection Load AnticipatingOil Control Compressor Control Alarms and Trips Alarms and Trips SetpointsAlarms and Trips Safety Failure Messages Compressor InhibitsFalse Start Timers Timer SetpointsOil Separator Level #2 Safety Trip Delay Timers Blank Compressor Scheduling Scheduling SetpointCompressor Scheduling Compressor Sequencing Pressure Control SetpointsCFM Equipment List 10 4 / Blank Condenser Control Condenser Control SetpointStep Control VFD Settings Step Control Screen11 4 / Blank Service Options Digital OutputsAnalog Outputs Pressure and Temperature Inputs Instruments CalibrationMotor Current Remote CapacityAnalog Inputs 13 4 / Blank Slide Calibration Capacity Slide Valve PotentiometerSlide Valve Actuator Calibration for Optical Style Motors Volume Slide Valve PotentiometerSlide Valve Operation Photochopper Command Shaft Rotation Command Shaft Rotation Required By ActuatorSlide Valve Troubleshooting Guide Slide Valve Troubleshooting Guide 1Slide Valve Troubleshooting Guide 2 Slide Valve Actuator Troubleshooting Guide Blink Code LED Blink Codes and Troubleshooting Guide 1LED Blink Codes and Troubleshooting Guide 2 Pleted. The actuator will not move while this error codeTrend Chart Chart OperationTrend Data Storage Setup Trend Setup Screen15 4 / Blank Event List Event list Columns16 2 / Blank Input / Output Input/Output Screen17 2 / Blank Auxiliary Input / Output Digital InputsDigital Outputs Control 18 4 / Blank Time & Date ConfigurationUnits Anti-Recycle CommunicationsTouchscreen Restart On Power Failure Compressor SequencingLanguage Model & RefrigerantCompressor Control Optional Function SelectionCondenser Control Oil PumpOil Cooling Motor Current DeviceDigital Inputs Analog Inputs Analog Outputs Configuration 19 10 / Blank Data Backup Save / LoadData Backup Factory Reset Migrate20 4 / Blank Maintenance ChecklistChart LogUser Access ApplyLogin Manage AccountsSecurity Access Levels Screen Security Levels22 4 / Blank Screen Features Help ScreenVersion Pop-Up Screen Twin Screw Control Twin Screw Control ScreenOperation Cool Compression Control Cool Compression Control ScreenControl Functions Cool Compression Control Functions ScreenAuto Load Timer Operational Differences from Single ScrewCool Compression Control

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