Varec 4000 manual Typical EIA485 System Wiring

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Installation	Tank Gauge Transmitter

	RTU 8130
		Model 8130 with optional
		48 VDC power supply.
	Field Junction Box	110/220 VAC 50/60 Hz.
	Area 0
		RS232 To FuelsManager
		or other MODBUS master
	Area 1
	Two 18 AWG
	twisted pair	Host Computer Interface
	cables	Host Computer Interface
	cables	MODBUS interface is
		MODBUS interface is
	Model 4000 ATT	certified by Honeywell
	Model 4000 ATT
	Transmitters*
		RS232 serial port
		50 feet max to FIC
	Field Junction Box

EIA85 comm.

with MODBUS to FIC

Two 18 AWG twisted pair cables

Model 4000 ATT

Transmitters*

* Up to 31 units with

5000 ft. max. wiring distance using good quality wire.

Office Printer

FuelsManager

Figure 2-5: Typical EIA485 System Wiring

8	Installation and Operations Manual

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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 IntroductionConfiguration OperationConstruction Installation Mounting the Equipment Part Number Gauge Adapter KitWiring Preparation WiringATT Wiring Connecting Input PowerConnecting Host Communication Terminal Block One TB1 Terminal Block Two TB2ATT EIA485 Wiring Typical EIA485 WiringTypical EIA485 System Wiring ATT Mark/Space Wiring Typical Mark/Space Field WiringWiring Completion Connecting the RTDConnecting the Handheld Terminal Installation Checkout1200 Hand Held Terminal ConfigurationConfiguration Parameters Function Key DescriptionTerminal Mode Configuration Terminal Mode Operation 1200 Hand Held TerminalMenu Operation Main Menu Main Menu DescriptionSummary Menu Summary Menu DescriptionConfiguration Menu Configuration Menu DescriptionHost Menu Host Menu DescriptionQuick Setup Imperial Fractional 1900 Quick Setup Defaults General ConfigurationHost 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 SetupImperial Modbus Quick Setup Defaults Metric Modbus Quick Setup Defaults Maintenance and Troubleshooting MaintenanceBattery Replacement Troubleshooting ATT Error Status ConditionsError Message Description ATT Configuration Error Checking ATT Status ConditionsStatus Condition Description Model 1200 Error Messages Host Communication Loopback TestsInput Power SpecificationsSpecifications and Physical Characteristics EnvironmentalLevel Measurement Explosion Proof Safety Agency ApprovalsIntrinsic Safety Agency Acronym RequirementAssembly/Component Part Number Major System Assemblies and ComponentsOrder Codes CommunicationsOrder Codes Theory of Operation CPU BoardAtti Communications Port Back-up BatteryStatus Inputs and Outputs Host Communications InterfacesEncoder Battery Backup Temperature MeasurementHost Communication Mark/Space Host Interface Function NumberNumber Exception Modbus Support over Mark/Space Host Interface Compatibility with Varec Tank Polling UnitTheory of Operation ATT Family of Products Model 4040 Display UnitDigital Outputs Relay SpecificationsModel 4050 Digital Input/Output Unit Digital InputsModbus Implementation IntroductionImplementation Modbus Implementation Functions and Data Formats Integer RegistersTerm Definition Integer Data Host RequestATT Response Character Data Coded Data Packed Bit DataTwo 16-bit Registers Format Floating-Point RegistersFloating-Point Data Floating Point DataOne 32-bit Register Format Exception Responses Status BitsStatus Bit Data Exception Response ReasonData Out of Range Loopback TestHardware Implementation Integer Register Map Register Number Type DescriptionRegister Number Sw Ver0-1 Noise Reject Type Floating Point Register Map Status Bit Register MapModbus Implementation 10.2 4000GEFMO Optional Interfaces10.1 4000TIFMO 10.3 4000LJFMO10.5 4000WBFMO 10.6 4000GMFMOGlossary Adv Hi LevelDband TSU Tank Gauge Transmitter 4000 Your official representative Your offical representative