Varec 4000 Safety Agency Approvals, Explosion Proof, Intrinsic Safety, Agency Acronym Requirement

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4000	Specifications

5.2Safety Agency Approvals

5.2.1Explosion Proof

The HART Level Encoder is designed to meet the following safety agency approval requirements for explosion proof installations:

Agency Acronym	Agency	Requirement
(FM)	Factory Manual	Approval StandardClass
		3600, 3615, 810
(CSA)	Canadian Standards Association	Standard C22.2No. 0.0, 0.2,
		0.4, 0.5, 14, 30, 94, 142
(BASEEFA)	CENELEC	CENELEC StandardEN50014,
		EN50018
	(UK)	British StandardBS5501, Part
		1, 5

5.2.2Intrinsic Safety

The ATT is not an intrinsically safe device and must not be opened or wired while power is applied.

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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 Introduction Using This ManualOperation ConfigurationConstruction Installation Part Number Gauge Adapter Kit Mounting the EquipmentConnecting Input Power WiringATT Wiring Wiring PreparationTerminal Block One TB1 Terminal Block Two TB2 Connecting Host CommunicationTypical EIA485 Wiring ATT EIA485 WiringTypical EIA485 System Wiring Typical Mark/Space Field Wiring ATT Mark/Space WiringInstallation Checkout Connecting the RTDConnecting the Handheld Terminal Wiring CompletionFunction Key Description ConfigurationConfiguration Parameters 1200 Hand Held TerminalTerminal Mode Configuration 1200 Hand Held Terminal Terminal Mode OperationMenu Operation Main Menu Description Main MenuSummary Menu Description Summary MenuConfiguration Menu Description Configuration MenuHost Menu Description Host MenuQuick 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 8 0-30 Meters 1800 Series Transmitter Quick Setup Imperial Fractional 1800 Series Transmitter Quick SetupImperial Decimal 1800 Series Transmitter Quick Setup 7 0-20 Meters 1800 Series Transmitter Quick SetupImperial 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 Host Communication Loopback Tests Model 1200 Error MessagesEnvironmental SpecificationsSpecifications and Physical Characteristics Input PowerLevel Measurement Agency Acronym Requirement Safety Agency ApprovalsIntrinsic Safety Explosion ProofMajor System Assemblies and Components Assembly/Component Part NumberCommunications Order CodesOrder Codes CPU Board Theory of OperationHost Communications Interfaces Back-up BatteryStatus Inputs and Outputs Atti Communications PortTemperature Measurement Encoder Battery BackupHost Communication Function Number Mark/Space Host InterfaceNumber Exception Compatibility with Varec Tank Polling Unit Modbus Support over Mark/Space Host InterfaceTheory of Operation Model 4040 Display Unit ATT Family of ProductsDigital Inputs Relay SpecificationsModel 4050 Digital Input/Output Unit Digital OutputsIntroduction Modbus ImplementationImplementation Modbus Implementation Integer Registers Functions and Data FormatsTerm Definition Host Request Integer DataATT Response Character Data Packed Bit Data Coded DataFloating Point Data Floating-Point RegistersFloating-Point Data Two 16-bit Registers FormatOne 32-bit Register Format Exception Response Reason Status BitsStatus Bit Data Exception ResponsesLoopback Test Data Out of RangeHardware Implementation Register Number Type Description Integer Register MapRegister Number Sw Ver0-1 Noise Reject Type Status Bit Register Map Floating Point Register MapModbus Implementation 10.3 4000LJFMO Optional Interfaces10.1 4000TIFMO 10.2 4000GEFMO10.6 4000GMFMO 10.5 4000WBFMOAdv Hi Level GlossaryDband TSU Tank Gauge Transmitter 4000 Your official representative Your offical representative