Tyco 1540 manual Measuring Ranges, Accuracy, Reference conditions of influence quantities

Page 49

4.2.3 Measuring Ranges

Values of measured quantities for which errors are defined.

Voltage

70

.. 120% of nominal

Current

5 .. 120% of nominal

Frequency

45

.. 66 Hz, 360 .. 440 Hz (Model 0440)

 

Crest values of voltage and current must remain within

 

168% of nominal maximum rms values

4.2.4 Accuracy

Voltage

0.4% of reading ±0.1% of range

 

1% of range maximum for Model 0440

Current

0.4% of reading ±0.1% of range

 

1% of range maximum for Model 0440

Frequency (not 0340)

0.15% of mid frequency

 

1% of mid frequency for Model 0440

Temperature coefficient

0.013%/°C typical

Response time to step input

1.5 seconds approx.

Screen update time

0.5 second approx.

4.2.5 Reference conditions of influence quantities

Values that quantities which affect measurement errors to a minor degree

have to be for the intrinsic (headline) errors for measured quantities to apply.

Ambient temperature

23°C

Input frequency

50 or 60 Hz 2%

Input waveform Sinusoidal

(distortion factor 0.005)

Auxiliary supply voltage Nominal

1%

Auxiliary supply frequency Nominal

1%

Auxiliary supply distortion factor

0.05

Magnetic field of external origin

Terrestrial flux

4.2.6 EMC Standards

EMC Immunity EN61326 for Industrial Locations to performance criterion A

EMC Emissions EN61326 to Class B - Domestic

Integra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03

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Contents Energy Division Crompton Switchboard Integra Contents Setting up Specification Basis of measurement and calculations Serial Communications Maintenance Appendix a CE Declaration of ConformityTHD Introduction3 0440 Unit CharacteristicsIntegra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03 Default display Secondary Voltage Maximum PowerDemand Calculation Pulse Output Option RS485 Serial OptionAnalogue Output Option Layout Display ScreensStart Up Screens System Screen Line to Neutral Voltages System %THD ScreenLine to Neutral Voltage %THD Line to Line Voltages %THD Line to Line VoltagesLine Currents Power Neutral Current, Frequency and Power FactorLine Currents %THD Reactive Energy kVArh Active Energy kWhMaximum Demand DemandOver Range Error Messages Setting upKWh and kVArh Display Range Number Entry Procedure Integra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03 Access with No Password Protection AccessAccess with Password Protection Integra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03 Changing the Password Potential Transformer Primary Voltage Full Scale CurrentIntegra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03 Potential Transformer Secondary Value Demand Integration Time Resets Pulsed Output, Pulse Duration Pulse Rate 12 RS485 Baud Rate 13 RS485 Parity Selection 14 RS485 Modbus Address Second Channel Analogue Output Set UpReverse Operation Reduced output rangeReading A1r or A2r Analogue Output Scaling ExampleReading Top A1rt or A2rt Reading Bottom A1rb or A2rbOutput Bottom A1ob or A2ob Power FactorSummary USA Reading European Convention North American Convention Output Phase Angle L1-L2 Calculated Reading Parameter Selection A1r or A2r Parameter Number WireReading Top A1rt or A2rt Reading Bottom A1rb or A2rb Display Only Versions SpecificationDisplay/Transducer Combined 0240, 0340, 0440 121 240V L-L 70.1 139V L-N Accuracy Measuring RangesReference conditions of influence quantities Display/Tranducer Combined 1000 Auxiliary Power Supply Reference conditions Functional ranges Nominal range of use of influence quantities for measurandsScreen StandardsModbus RS485 Serial Communications OptionIntegra 1540 Only Active Energy Pulsed Output OptionEnergy resolution Reactive and Apparent PowerBasis of measurement and calculations Total Harmonic Distortion 1540 only RS485 Port Modbus or JC N2 Serial CommunicationsModbus Implementation Input Registers Parameter Modbus Start High Low Byte Modbus Holding Registers and Integra set upApplication details RS485 Implementation of Johnson Controls MetasysMetasys release requirements Support for Crompton Integra operation Support for Metasys IntegrationDesign considerations Integra 1560/1580 Point Mapping table Metasys N2 applicationMaintenance Integra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03 Integra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03 Integra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03