Deadband | Varec 8315 Series specs

8315 L&J Tankway Software Description		TankGate Interface


	Parameter	Description

	Deadband	Affects the Change of State processing. It allows users to filter out
	LevelDeadband	insignificant changes, freeing the communications link to send other data
	TempDeadband

Note! Not all Host protocols support the Change of State method. The RTU Slave protocol used with FuelsManager supports either method.

Note! The Modbus protocol is Scan-based. Therefore, the Report and Maxtime parame- ters have no meaning.

28	Installation and Operations Manual

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Varec 8315 Series manual Deadband

Contents

Installation Operations Manual Page Copyright Disclaimer of Warranties Safety Precaution Definitions Safety Precautions Troubleshooting and maintenance InstallationUsing ViewRTU Overview Contents System Information SYS Using ViewRTU Troubleshooting Applications FeaturesVersions Power consumption Specifications System DesignPower Supply Operating temperature Mechanical Construction Storage temperatureHumidity Overview TankGate Interface Hardware Hardware Block Diagram Motherboard Description TankGate motherboard Auxiliary DC Output Power terminal block J8 Unit AC Input Power terminal block J2Field Power Vfield terminal block J3 Surge Protection Surge Gnd terminal block J4 AC Power Fuses F1,F2 Field Voltage Selection Jumper W3 Hard Reset Switches and IndicatorsReset push-button SW3 Communications 3.1 COM0 J7 3.2 COM1 RS-232/RS-485 J5 3.3 COM1 RS232/RS-485 Selection Switch SW23.4 COM1 Hardware Handshaking Switch SW1 Communica Hardware SW2 Set Tion Physical Handshak Ting Layer Ing TankGate Communications Cable With RTS / CTS RS-232J6 8315 L&J Tankway Interface Module Description Model 8315 TankGate ID DIP Switch SW1 LED Indicators D1-D6 External Power Connector +48V J2 Surge/Shield Ground Connector J4 Field Wiring terminal block J3 Connect the field wiring 8315 L&J Tankway Interface Module TankGate Interface Real-Time Clock Software Features Real-Time / Multitasking ExecutiveAutomatic Fault Recovery Database Manager ProtocolsData Scanning Task System Tasks TankGate Software Blocks TankGate 8315 Software Blocks Parameter Description Database OrganizationPoint Format Parameter Classes Data Format Description Parameter Data FormatsCommon Parameters Elapse Parameter PntCheckSum ParameterPntStatus Parameter Value Parameter Change of State Format Gathering Point DataStandard Request-Response Format Change of State-Related Parameters Deadband Modbus Communications Modbus Slave Address Type Number Parameter Data Type Fixed Modbus MapFunction Code Description Comments Gwblk method 8315 L&J Tankway Software Description TankGate Interface Data Address Parameter Comments Parameters Configuration Parameters FunctionClock CLK Dynamic Parameters Function Configuration Function Parameters Communications COM Application Real 4 bytes value Floating Point Register FpregDynamic Function Parameters Emulator EMU API Byte value indicating status of point Values are EMU Gateway Emugw Configuration Parame Function TersCurrent Command Hex representation of the request sent by the host Displays the tank number of the currently selected tank Gauging Systems Inc. Model 2000 Interface GS2000 Last message. The maximum is 255 seconds. The default is Raw2 Gateway Block Gwblk Size Parameter Byte value indicating status of point Values are No errorCRC-16 Checksum of points static Configuration Parameters Addr1 is the Data Address and PntRef1 is the corresponding Integer Register Ireg Integer 2 bytes value Modbus Gateway Modgw Current request message, displayed in hex format Current command. Values include Output value for the Scaler point Scaler Point ScalerDynamic Parame Function Ters Value = Ax + By + Cz + K Value parameter converted to Integer format System Information SYS 17 L&J MCG1000 Tank Gauge LJ1000 PntStatus will be set to indicate the failure Application 18 L&J MCG1500 Tank Gauge LJ1500 Task on the Motherboard determines that the Model 8315 has 8315 L&J Tankway Software Description TankGate Interface 19 L&J MCG2000 Tank Gauge LJ2000 Enables the watchdog task on the Motherboard. The watchdog 8300 Number of gauge polls which resulted in an error Command currently being sent to the gaugeNumber of gauge polls since last reset 20 L&J Scanner Ljscan Out 8315 L&J Tankway Software Description TankGate Interface General Safety Guidelines Installation Safety Guidelines Installation Mounting the TankGate Mounting the TankGate inside the enclosure Mounting the Enclosure Wiring Up PowerInstalling Communications Select the Unit address Initial system verification Power-UpRS-485 Communications Establishing Host Communications Installation TankGate Interface System Requirements Installing ViewRTUOverview Executing ViewRTU ViewRTU Version Selection dialog File Menu ViewRTU windowViewRTU Menu Bar Point Menu Edit Point selection dialog Select Point to Add dialog boxEdit Point deletion dialog Edit Point dialogDelete Upload Database from TankGate Config MenuDownload Database to RTU To enter the password Creating a Password PC Setup Changing the PasswordChanging the Password Communications Menu Port Communications Setup dialog Status TankGate search dialog Options MenuConnect Export All Convert Configuration FilesConvert ViewRTU versions dialog Import All Using ViewRTU Help Menu Configuring Single Points Minimize Edit Digital Point dialogEdit Point Window Push-buttons Next Minimizing the Edit Point WindowConnections Previous To modify a value To modify a ValueUpload Edit point parameter value dialog Edit point parameter reference dialog Configuring Multiple PointsTo modify a Reference Adding Multiple Points Spreadsheet Mode Adding Multiple Points Copy Point MenuEdit Menu Paste Set Value with Auto Increment Paste & DnldSet Value Export Options MenuImport Parameter Type Description ViewHide Row/Col Creating and Editing Connections Unhide All To create a Connection Displaying the Point Connections windowPoint Connections Window Using ViewRTU TankGate Interface Run indicator Indicator Condition LED Displays under Abnormal Conditions Using the TankGate Push-buttonsCommunications indicator 1.3 TXD/RXD LEDs Performing a Hard Reset Press the Reset button Set the ID DIP switch to the desired addresses Maintenance Replacing a defective component or module Troubleshooting TankGate Interface 102 Ordering Structure Remote Terminal Unit TankGate Ordering Structure Nema 4 Enclosure Modbus Map Value12 Fpreg 3034 3094 8300 Your official representative Your offical representative