Tyco 1540 manual 13 RS485 Parity Selection

Page 34

3.13 RS485 Parity Selection

0240

0340

0440

0640

1000

1540

Option

This screen allows setting of the parity and number of stop bits of the RS485 Modbus/JC II port.

Where the transducer unit is separate from the display unit, the transducer has two Modbus ports, one of which may be used for communicating with a display. The RS485 Parity Selection option only sets the parity for a port that is not communicating with a display unit. The port characteristics for communication with a display are preset.

If the JC NII protocol is to be used, this parameter must be set to No parity and One stop bit.

Press >> to accept the currently displayed value. The next Set- up screen will then appear.

To change the parity press .

Use the key to scroll through the available values:

odd – odd parity with one stop bit

E – even parity with one stop bit

no 1 – no parity one stop bit,

no 2 – no parity two stop bits.

Edit

Select the required setting and press >> to confirm your selection. The Confirmation screen will appear.

Press >> to accept the new setting. The next Set-up screen will appear.

Press to return to the Edit screen.

Confirmation

32 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 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 Active Energy kWh Reactive Energy kVArhMaximum 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 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 A2rbOutput Bottom A1ob or A2ob Power FactorSummary 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 Accuracy Measuring RangesReference conditions of influence quantities 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 OnlyEnergy 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 Modbus Holding Registers and Integra set up High Low ByteApplication details RS485 Implementation of Johnson Controls MetasysMetasys release requirements Support for Crompton Integra operation Support for Metasys IntegrationDesign considerations 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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