Tyco 1540 manual Maximum Demand, Over Range

Page 19

2.15 Demand

0240

0340

0440

0640

1000

1540

This screen displays the present demand, i.e. the maximum power and the maximum current demanded during the defined integration window period. See Section 3.8 Demand Integration Time.

System Total Active Power Demand (kWD)

System Total Current Demand (AD)

Key >> moves to the next screen.

2.16 Maximum Demand

0240

0340

0440

0640

1000

1540

This screen displays the maximum power and the maximum current that has been demanded since the unit was last reset (see Section 3.9 Resets).

Maximum System Total Active Power Demand (kWD)

Maximum System Total current Demand (AD)

Key >> returns to the start of the sequence with the System

Screen

2.17 Over Range

The displayed values must be in the range –999 x 1000 to 9999 x 1000. Any parameter value outside this range will cause the display to show overrange.

This situation will be indicated by displaying four bars in the appropriate line:

The value on the middle line is over range.

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

17

Image 19

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 Voltages Line 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 Reduced output range Analogue Output Set UpSecond Channel Reverse OperationReading Bottom A1rb or A2rb Analogue Output Scaling ExampleReading A1r or A2r Reading Top A1rt or A2rtOutput 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 Standards Nominal range of use of influence quantities for measurandsFunctional ranges ScreenModbus 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