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Summary of Contents for Crompton integra 1530
- Page 1 Crompton INTEGRA 1530, 1560, 1580 Communications Guide Crompton Instruments Freebournes Road Witham Essex CM8 3AH England Tel: +44 (0) 1376 509 509 Fax: +44 (0) 1376 509 511 E-Mail: crompton.info@tycoelectronics.com Integra Comms Issue 1 Jan 2006...
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Page 2: Table Of Contents
Analogue Output setting via Modbus 2 RS485 Implementation of Johnson Controls Metasys Application details Metasys release requirements Support for Metasys Integration Support for Crompton Integra operation Design considerations METASYS N2 Integra Point Mapping table 3 Integra Profibus Interface GSD file... - Page 3 Contents Page 4.8.1 Demand Ammeter Network Variables 4.8.2 Demand Ammeter Configuration Properties Demand Power Meter Functional Profile 4.9.1 Demand Power Meter Network Variables 4.9.2 Demand Power Meter Configuration Properties 4.10 Power Quality Meter 4.10.1 Power Quality Network Variables 4.10.2 Power Quality Meter Configuration Properties 4.11 Common Problems Integra Comms Issue 1 Jan 2006...
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Page 4: Modbus
1 Modbus Modbus Overview This section provides basic information for interfacing the Integra to a Modbus network. If background information or more details of the Integra implementation is required please refer to our “Guide to RS485 Communications and the Modbus Protocol”, available on our CD catalogue or from any recognised supplier. -
Page 5: Input Registers
Input Registers Input registers are used to indicate the present values of the measured and calculated electrical quantities. Each parameter is held in two consecutive 16 bit registers. The following table details the 3X register address, and the values of the address bytes within the message. A tick (√) in the column indicates that the parameter is valid for the particular wiring system. - Page 6 Modbus Start Address Parameter 3 Ø 3 Ø 1 Ø 1 Ø Address Hex Parameter (Register) Number High Byte Low Byte 4 W √ √ √ √ √ √ √ 30003 Volts 2 (L2 – N 4W or L2 – L3 3W) √...
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Page 7: Modbus Tm Holding Registers And Integra Set Up
Modbus Holding Registers and Integra set up Holding registers are used to store and display instrument configuration settings. All holding registers not listed in the table below should be considered as reserved for manufacturer use and no attempt should be made to modify their values. - Page 8 Modbus Start Address Parameter Address Hex Parameter (Register) Number High Valid range Mode Byte Byte Analogue 3 Output See table below 40345 Parameter (section1.4) r/wp Analogue 3 Parameter 40347 Analogue 3 Parameter 40349 Analogue 3 Reading 40351 Analogue 3 Parameter Max r/wp Analogue 3 Reading 40353 Bottom...
- Page 9 System Type is set to '1' for single phase 2 wire, '2' for 3 Phase 3 Wire, '3' for 3 Phase 4 Wire or 4 for single phase 3 wire. Relay Pulse Width is the width of the relay pulse in multiples of 20 ms. However, only values of 3 (60 ms), 5 (100 ms) or 10 (200 ms) are supported.
- Page 10 and maximum output currents that the instrument analogue output hardware is capable of. Analogue 1 Output Parameter indicates the number of the input parameter that is to be output on analogue output 1. A value of zero signifies the analogue output is unused. Analogue 1 Parameter Maximum is the maximum value that the selected input parameter can reach.
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Page 11: Analogue Output Setting Via Modbus
Analogue Output setting via Modbus This section summarises Modbus control of analogue outputs. A more detailed explanation of analogue operation and user settings to achieve the desired output ranges is included in the Integra Installation and Operating Instructions. Review of the relevant section of the Integra instructions in conjunction with the description here may be helpful. - Page 12 Parameter System Type No. Name 3 Ø 4 wire 3 Ø 3 wire 1 Ø 3 wire 1 Ø 2 wire Volts 1 0 – 1.2 * Vs 0 – 1.2 * Vs 0 – 1.2 * Vs 0 – 1.2 * Vs Volts 2 0 –...
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Page 13: Rs485 Implementation Of Johnson Controls Metasys
When integrating the Crompton equipment into a Metasys Network, keep the following considerations in mind. • Make sure all Crompton equipment is set up, started and running properly before attempting to integrate with the Metasys Network. • A maximum of 32 devices can be connected to any one NCM N2 Bus. -
Page 14: Metasys N2 Integra Point Mapping Table
METASYS N2 Integra Point Mapping table Address Parameter Description Units Voltage 1 Volts Voltage 2 Volts Voltage 3 Volts Current 1 Amps Current 2 Amps Current 3 Amps Voltage average Volts Current average Amps Power (Watts) Sum VA Sum var Sum kvar Power Factor average Frequency... - Page 15 PF 3 PA 1 degrees PA 2 degrees PA 3 degrees A Sum amps VLL Ave volts Exp Wh (6 digits max) Exp Wh (less param 51) Exp VArh (6 digits max) kVArh Exp VArh (less param 53) GVArh Command Register See note below VAh (6 digits max) kVAh...
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Page 16: Integra Profibus Interface
(e.g. “VA Phase 1”) with configuration data. GSD file A copy of the GSD file may be accessed via the website : www.crompton-instruments.com, on the same page as Integra instruction and operation manuals. Floating Point Format As with Modbus, data transfer occurs using IEEE floating point format. -
Page 17: Writing
holding register’ (the value 3) is written to the command field. The slave checks for a change in the command field as indication that there is a command to action and that the rest of the fields are valid and ready for use. The slave will return the appropriate value in the data field, together with a confirmation/rejection value in the status field. -
Page 18: The Lonworks Interface
Node object which is used by network management tools and/or customised device plug-ins (Windows application) to manage the eight primary objects. XIF File A copy of the XIF file may be accessed via the website : www.crompton-instruments.com, on the same page as Integra instruction and operation manuals. Overview and Device Functional Profile A device using these object profiles will typically be used in industrial power and energy metering applications. -
Page 19: Node Object
Node Object 4.3.1 Network Variables Object Request network input SNVT_obj_request nviRequest Refer to the L Application Layer Interoperability Guidelines for definition. 4.3.2 Object Status network output SNVT_obj_status nvoStatus Refer to the L Application Layer Interoperability Guidelines for definition. 4.3.3 Configuration Properties Device Label network input config SNVT_str_ascii nciDeviceLabel This configuration property can optionally be used to provide more descriptive physical location... -
Page 20: Voltmeter Network Variables
4.4.1 Voltmeter Network Variables Voltage Between Phases (Corresponds to Modbus register 101,102,103,1,2,3) network output SNVT_volt_f nvoVoltsL12 This output network variable reports the voltage measured from phase L1 to phase L2 in a 3 phase power system. network output SNVT_volt_f nvoVoltsL23 This output network variable reports the voltage measured from phase L2 to phase L3 in a 3 phase power system. -
Page 21: Ammeter Functional Profile
Default Value: The default value is 0. SCPT/UCPT Reference: UCPTsendDeltaVolts (02) Minimum Send Time network input config SNVT_time_sec nciMinSendTime; Indicates the minimum period between output network variable transmissions. Valid Range: The valid range is any value between 0.0 seconds and 6553.4 seconds. Setting the value to 0 allows the maximum refresh according to the SendOnDelta value. -
Page 22: Ammeter Configuration Properties
Valid Range: -1E38….1E38 (Amperes) Default Service Type: Acknowledged Average Current (Corresponds to Modbus register– 24) network output SNVT_amp_f nvoCurrentAve; This output network variable, if provided, is used to report the average of the three phase currents (IL1, IL2, & IL3) in the Power System. Valid Range: -1E38….1E38 (Amperes) Default Service Type: Acknowledged Neutral Current (Corresponds to Modbus register 113) -
Page 23: Energy Meter Functional Profile
Energy Meter Functional Profile 4.6.1 Energy Meter Network Variables Energy Import (Corresponds to Modbus register 37) network output SNVT_elec_whr_f nvoWhrImport This output network variable reports the 3 phase Energy Import measured in a 3 phase power system. Energy Export (Corresponds to Modbus register 38) network output SNVT_elec_whr_f nvoWhrExport This output network variable reports the 3 phase Energy Export measured in a 3 phase power system. - Page 24 SNVT_elec_whr_f can change without an update occurring on the associated network variable. Valid Range: 0 to 1E38 (Watt hour) Default Value: The default value is 0. SCPT/UCPT Reference: UCPTsendDeltaWhr (04) Current Send on Delta network input config UCPTsendDeltaAmp nciSendOnDeltaF Specifies the maximum amount that any of the retrieved Energy Meter points of SNVT type SNVT_amp_f can change without an update occurring on the associated network variable.
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Page 25: Power Meter Functional Profile
Power Meter Functional Profile 4.7.1 Power Meter Network Variables Watts Sum (Corresponds to Modbus register 27) network output SNVT_power_f nvoWattSum This output network variable reports the total 3 phase instantaneous real power measured in a 3 phase power system. VA Sum (Corresponds to Modbus register 29) network output SNVT_power_f nvoVASum This output network variable reports the total 3 phase instantaneous power measured in a 3 phase power system. -
Page 26: Power Meter Configuration Properties
network output SNVT_power_f nvoWattL3 This output network variable reports the instantaneous real power measured on Phase 3 of a 3 phase power system. Power Factor L1.L2,L3 (Corresponds to Modbus register 16, 17, 18) network output SNVT_pwr_fact_f nvoPwrFactL1 This output network variable reports the Power Factor measured on Phase 1 of a 3-phase power system. -
Page 27: Demand Ammeter Functional Profile
Demand Ammeter Functional Profile 4.8.1 Demand Ammeter Network Variables Demand Current (Corresponds to Modbus register 53) network output SNVT_amp_f nvoADemand This output network variable reports the demand current Valid Range: -1E38 .. 1E38 Amps Default Service Type: Acknowledged Maximum Demand Current (Corresponds to Modbus register 54) network output SNVT_amp_f nvoAMaxDemand This output network variable reports the maximum demand current Valid Range: -1E38 .. -
Page 28: Demand Power Meter Functional Profile
Demand Power Meter Functional Profile 4.9.1 Demand Power Meter Network Variables Power Demand (Corresponds to Modbus register 51) network output SNVT_power_f nvoVAdemand VA demand. Power Max Demand (Corresponds to Modbus register 52) network output SNVT_power_f nvoVAMaxDmnd VA Maximum demand. Valid Range: -1E38 .. 1E38 watts Default Service Type: Acknowledged Reactive Power Demand (Corresponds to Modbus register 47) network output SNVT_power_f nvoVarDmdImp... -
Page 29: Demand Power Meter Configuration Properties
Valid Range: 0 Default Service Type: Acknowledged 4.9.2 Demand Power Meter Configuration Properties Demand Period (Modbus holding – 2) network input config UCPTdemandPeriod nciDmdPeriod This input network configuration variable specifies the time interval used when calculating the power demand. Valid Range: 8, 15, 20 or 30 minutes Default Value: The default value is 30 minutes SCPT/UCPT Reference: UCPTdemandPeriod(09) Power Send on Delta... -
Page 30: Power Quality Meter
4.10 Power Quality Meter 4.10.1 Power Quality Network Variables Quality of Phase Voltages (Corresponds to Modbus register 118, 119, 120) network output SNVT_lev_percent nvoQV1 This output network variable reports the Total Harmonic Distortion (THD) of the voltage on Phase 1 in a 3 phase power system. -
Page 31: Power Quality Meter Configuration Properties
a 3 phase power system. Valid Range: 0% .. 100% (0.5%) the SNVT has a range of -163.84% .. 163.83% (0.005%) Default Service Type: Acknowledged Quality of Current to Neutral (Corresponds to Modbus register 124) network output SNVT_lev_percent nvoQANt This output network variable reports the Total Harmonic Distortion (THD) of the current with respect to Neutral.
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