Modbus Implementation | Varec 4000 manual

Modbus Implementation	Tank Gauge Transmitter

60	Installation and Operations Manual

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Varec 4000 manual Modbus Implementation

Contents

Installation Operations Manual Page Copyright Disclaimer of Warranties Safety Precaution Definitions Safety Precautions Tank Gauge Transmitter Introduction Tank Gauge Transmitter Glossary Tank Gauge Transmitter Viii Using This Manual Introduction Operation ConfigurationConstruction Installation Mounting the Equipment Part Number Gauge Adapter Kit Wiring Preparation WiringATT Wiring Connecting Input Power Connecting Host Communication Terminal Block One TB1 Terminal Block Two TB2 ATT EIA485 Wiring Typical EIA485 Wiring Typical EIA485 System Wiring ATT Mark/Space Wiring Typical Mark/Space Field Wiring Wiring Completion Connecting the RTDConnecting the Handheld Terminal Installation Checkout 1200 Hand Held Terminal ConfigurationConfiguration Parameters Function Key Description Terminal Mode Configuration Terminal Mode Operation 1200 Hand Held Terminal Menu Operation Main Menu Main Menu Description Summary Menu Summary Menu Description Configuration Menu Configuration Menu Description Host Menu Host Menu Description Quick Setup General Configuration Imperial Fractional 1900 Quick Setup DefaultsHost Configuration Imperial Decimal 1900 Quick Setup Defaults 3 0-20 Meter 1900 Quick Setup Defaults 4 0-30 Meter 1900 Quick Setup Defaults 7 0-20 Meters 1800 Series Transmitter Quick Setup Imperial Fractional 1800 Series Transmitter Quick SetupImperial Decimal 1800 Series Transmitter Quick Setup 8 0-30 Meters 1800 Series Transmitter Quick Setup Imperial Modbus Quick Setup Defaults Metric Modbus Quick Setup Defaults Maintenance Maintenance and TroubleshootingBattery Replacement ATT Error Status Conditions TroubleshootingError Message Description ATT Status Conditions ATT Configuration Error CheckingStatus Condition Description Model 1200 Error Messages Host Communication Loopback Tests Input Power SpecificationsSpecifications and Physical Characteristics Environmental Level Measurement Explosion Proof Safety Agency ApprovalsIntrinsic Safety Agency Acronym Requirement Assembly/Component Part Number Major System Assemblies and Components Order Codes Communications Order Codes Theory of Operation CPU Board Atti Communications Port Back-up BatteryStatus Inputs and Outputs Host Communications Interfaces Temperature Measurement Encoder Battery BackupHost Communication Function Number Mark/Space Host InterfaceNumber Exception Modbus Support over Mark/Space Host Interface Compatibility with Varec Tank Polling Unit Theory of Operation ATT Family of Products Model 4040 Display Unit Digital Outputs Relay SpecificationsModel 4050 Digital Input/Output Unit Digital Inputs Introduction Modbus ImplementationImplementation Modbus Implementation Integer Registers Functions and Data FormatsTerm Definition Host Request Integer DataATT Response Character Data Coded Data Packed Bit Data Two 16-bit Registers Format Floating-Point RegistersFloating-Point Data Floating Point Data One 32-bit Register Format Exception Responses Status BitsStatus Bit Data Exception Response Reason Loopback Test Data Out of RangeHardware Implementation Integer Register Map Register Number Type Description Register Number Sw Ver0-1 Noise Reject Type Floating Point Register Map Status Bit Register Map Modbus Implementation 10.2 4000GEFMO Optional Interfaces10.1 4000TIFMO 10.3 4000LJFMO 10.5 4000WBFMO 10.6 4000GMFMO Glossary Adv Hi Level Dband TSU Tank Gauge Transmitter 4000 Your official representative Your offical representative