Tyco 1540 manual Output Bottom A1ob or A2ob, Summary, Power Factor

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3.15.2.6 Output Bottom (A1ob or A2ob)

This is the value of output that will be reached when the measured electrical parameter is at the reading bottom value.

Example: 0mA

3.15.2.7 Summary

In the above example, the analogue output will be 0 mA when the average voltage is 95 volts, 5 mA at 115 volts and 10 mA at 135 volts.

3.15.3 Power Factor

When analogue output current is used to represent power factor, it can indicate the power factor for an inductive or capacitive load on imported or exported power. This can be shown in two dimensions as follows:

The polarity of the power factor reading indicates the direction of power flow:

Positive	PF relates to imported power
Negative	PF relates exported power.

This assumes that the unit is connected for a predominantly ‘import’ application. See Installation sheet for further details.

36 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 Maintenance Appendix a CE Declaration of Conformity Basis of measurement and calculations Serial CommunicationsIntroduction THDUnit Characteristics 3 0440Integra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03 Default display Demand Calculation Maximum PowerSecondary Voltage Analogue Output Option RS485 Serial OptionPulse Output Option Start Up Screens Display ScreensLayout System Screen Line to Neutral Voltage %THD System %THD ScreenLine to Neutral Voltages Line Currents Line to Line VoltagesLine to Line Voltages %THD Line Currents %THD Neutral Current, Frequency and Power FactorPower Active Energy kWh Reactive Energy kVArhOver Range DemandMaximum Demand KWh and kVArh Display Range Setting upError Messages Number Entry Procedure Integra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03 Access with Password Protection AccessAccess with No Password Protection Integra 1540, 1000, 0640, 0440, 0340, 0240 Issue 1 04/03 Changing the Password Full Scale Current Potential Transformer Primary VoltageIntegra 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 Reverse Operation Analogue Output Set UpSecond Channel Reduced output rangeReading Top A1rt or A2rt Analogue Output Scaling ExampleReading A1r or A2r Reading Bottom A1rb or A2rbSummary Power FactorOutput Bottom A1ob or A2ob USA Reading European Convention North American Convention Output Phase Angle L1-L2 Calculated Parameter Number Wire Reading Parameter Selection A1r or A2rReading Top A1rt or A2rt Reading Bottom A1rb or A2rb Specification Display Only VersionsDisplay/Transducer Combined 0240, 0340, 0440 121 240V L-L 70.1 139V L-N Reference conditions of influence quantities Measuring RangesAccuracy Display/Tranducer Combined 1000 Auxiliary Power Supply Reference conditions Screen Nominal range of use of influence quantities for measurandsFunctional ranges StandardsSerial Communications Option Modbus RS485Active Energy Pulsed Output Option Integra 1540 OnlyBasis of measurement and calculations Reactive and Apparent PowerEnergy resolution Total Harmonic Distortion 1540 only Modbus Implementation Serial CommunicationsRS485 Port Modbus or JC N2 Input Registers Parameter Modbus Start Modbus Holding Registers and Integra set up High Low ByteMetasys release requirements RS485 Implementation of Johnson Controls MetasysApplication details Design considerations Support for Metasys IntegrationSupport for Crompton Integra operation Metasys N2 application Integra 1560/1580 Point Mapping tableMaintenance 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

1540 specifications

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