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V1.0 | NRG EtherCAT User Manual | © 2022 | CARLO GAVAZZI LTD.

EN

4.

EtherCAT Configuration

4.1

Installing the ESI file in TwinCAT

The ESI file is required for the configuration of the NRGC-ECAT. Obtain the xml file from

https://gavazziautomation.com/images/PIM/OTHERSTUFF/ESI/ESI_NRGC-ECAT.zip

and relocate it in the TwinCAT

default directory

C:\TwinCAT\3.1\Config\Io\EtherCAT.

4.2

Integrating the NRG in TwinCAT

Launch TwinCAT in configuration mode and reload device descriptions as shown in Figure 11.

Figure 11 Reload Device Descriptions

Right click on EtherCAT Master and click ‘Add New Item…’

Figure 12 Add New Item

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Summary of Contents for NRG EtherCAT

Page 1: ...NRG EtherCAT User Manual Operating instructions Manuale d istruzioni Betriebsanleitung Manuel d instructions Manual de instrucciones Brugervejledning...

Page 2: ...ounding 10 4 EtherCAT Configuration 11 4 1 Installing the ESI file in TwinCAT 11 4 2 Integrating the NRG in TwinCAT 11 4 3 Configuration of the NRG bus chain in TwinCAT 13 4 4 Start up Parameters 14 5...

Page 3: ...equipment Nor can Carlo Gavazzi assume liability for recommendations that appear or are implied in the following description The information in this document is not considered binding on any product w...

Page 4: ...e related national legislation please note that WEEE cannot be disposed of as municipal waste and such waste must be collected and disposed of separately the public or private waste collection systems...

Page 5: ...more solid state relays are needed in a system multiple BUS chains can be utilised Each BUS chain connects to another BUS chain in a line topology via the NRG controllers of the respective BUS chains...

Page 6: ...ation on the functions of each variant refer to Section 6 Through the internal BUS the main controller can read measurement parameters and diagnostics information related to the RG N and its load The...

Page 7: ...the main controller via the 2xRJ45 shielded communication ports The connection between the NRG controller and the solid state relays is through the internal bus cables Each RG N is equipped with 2x mi...

Page 8: ...ny network topology If more than 32 solid state relays are required in an application multiple bus chains can be utilised These can be configured in a line or star topology as deemed fit for the appli...

Page 9: ...tions can be looped from one RG CM N to another since all the loads have the same return path Figure 5 Loads connected between phases Reference connection Ref should always follow the return path of t...

Page 10: ...on on the bus In case of an RG N replacement or any changes to the NRG bus chain the RG Ns have to be re addressed Follow the procedure below Figure 8 to re address the RG Ns on the NRG bus chain manu...

Page 11: ...il must be conductive and grounded Shielded Cat 5e cables fitted with an outer metallic shell should be used The shell should be connected to the wire screen of the cable Figure 9 Metal din clip on NR...

Page 12: ...file from https gavazziautomation com images PIM OTHERSTUFF ESI ESI_NRGC ECAT zip and relocate it in the TwinCAT default directory C TwinCAT 3 1 Config Io EtherCAT 4 2 Integrating the NRG in TwinCAT L...

Page 13: ...LO GAVAZZI LTD V1 0 NRG EtherCAT User Manual 2022 CARLO GAVAZZI LTD EN Find the NRGC ECAT in the EtherCAT device list under Carlo Gavazzi Ltd NRG Controller with EtherCAT Figure 13 Find the NRGC ECAT...

Page 14: ...maximum of 32 RG N solid state relays can be connected to 1 NRGC ECAT In the Slots tab populate the modules depending on which variant of the RG N solid state relays will be installed in the relevant...

Page 15: ...meters can be assigned or re assigned via a service data object Check Communications section for further information If start up parameters are left blank the values saved internally in the RG Ns will...

Page 16: ...mit are mutually exclusive 0 255 0 25 5s Default 0s OFF time to soft start only for RGx1P N 0x2xx2 02 Set the non firing time before soft start is reactivated 0 soft start with occur on power up only...

Page 17: ...voltage used to compensate for deviations in voltage when Voltage Compensation is activated 0 Voltage compensation is disabled 42 600 V reference voltage for voltage compensation 0 42 600V Default 0...

Page 18: ...t 0 Mains loss alarm Flag Bit 1 Load loss SSR open circuit alarm Flag Bit 2 RG N short circuit alarm Flag Bit 3 Voltage out of range alarm Flag Bit 4 Current out of range alarm Flag Bit 5 Frequency ou...

Page 19: ...ble error Flag Bits 12 15 Not used shall be 0 0xF100 0xF100 xx xx RG N position on bus chain in hex Device Status 1 byte Bit 0 Substitute submodule Module type does not match installed RG N variant co...

Page 20: ...eps of 0 01 therefore a value of 1745 17 45A Check Measurements section for more information 0 RG N model dependent UCL value Default RG N model dependent Under current limit UCL 0x2xx1 05 0 RG N mode...

Page 21: ...6 Set the firing mode that the RG N shall use at the output 0 External only for RGx1A N 1 ON OFF 2 Burst 3 Advanced full cycle 4 Distributed full cycle 5 Phase Angle only for RGx1P N RGx1A N default O...

Page 22: ...eading 0 default SSR ON time read only 0x2xx6 03 Holds the accumulated time in hours that the output of the RG N was switched ON 0 default Control level feedback only for RGx1P N read only 0x2xx7 01 H...

Page 23: ...tput OFF and a control level of 100 indicates SSR output ON The advantages of this mode are It is effectively a direct replacement of the A1 A2 i e for existing systems the control algorithm within th...

Page 24: ...ing mode 33 control level Output with Distributed firing mode 50 control level Output with Distributed firing mode 66 control level The advantage of Distributed over Burst is the reduction in thermal...

Page 25: ...d heater applications AFC has the disadvantage of worse harmonics emissions than Burst and also slightly worse than Distributed Phase Angle Firing mode The Phase angle switching mode is available only...

Page 26: ...e mode The soft start will apply the power smoothly to the load over a time period of maximum 25 5s This is settable via the communication system Soft start ramping time setting Soft start with curren...

Page 27: ...ue of 50 means 0 5A and a value of 1747 means 17 47A If a fault occurs in the system such that it is not possible to measure the current this value is 0 This reading is updated every half cycle but is...

Page 28: ...m the initial value at power up the running hours during this power up The reading is updated in steps of 1hour hence a value of 1034 would mean 1034h that the output was ON during its lifetime In the...

Page 29: ...lickering Invalid configuration General Configuration error Possible reason State change commanded by master is impossible due to register or object settings Double Flash Application watchdog timeout...

Page 30: ...rror Description This alarm is issued if the NRG controller detects that the BUS between the NRG controller and the RG Ns is not correctly terminated This can be due to An internal fault in the NRG co...

Page 31: ...Iref registers will be updated by measuring the present current and voltage over a period of time The TEACH command is refuted in case of alarms present on the system If the TEACH is unsuccessful the...

Page 32: ...sued if this condition is present for 10 seconds Though indicated as an alarm condition this alarm has no effect on the function on the RG N and it is up to the user to decide what to do when this ala...

Page 33: ...ceived by the RG N and or replies will not be correctly received by the NRGC and or main controller Diagnose Confirm presence of 24V supply voltage on the NRG Controller US terminals Otherwise replace...

Page 34: ...k it is important to turn it off by pressing again the blue button 2 5 secs otherwise PLC cannot communicate with the NRG bus chain 8 2 Replacing an RG N When an RG N has to be replaced 1 Connect the...

Page 35: ...REF terminal however this will constitute some limitations as listed below 1 The following readings are not available RMS Voltage Real Power and Apparent Power 2 The TEACH operation cannot be executed...

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