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lonworks interface

 

 

 

vacon

 

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24-hour service: +358-40-8371 150 

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Email: [email protected]

 

6. 

LONWORKS INTERFACE 

Features of the LonWorks interface: 

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Direct control of Vacon NX (e.g. Run, Stop, Direction, Speed reference, Fault reset) 

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Full access to all Vacon NX parameters 

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Monitor Vacon NX status (e.g. Output frequency, Output current, Fault code)  
 

6.1 General 

 

Figure 6-1. The Node object diagram. 

 
 
 
 
 

Node Object:0

nv1

nviRequest
SNVT_obj_request  

nv2

nvoStatus
SNVT_obj_status   

Mandatory 

Network 

Variables

Archived Document

Summary of Contents for nxsp

Page 1: ...user s manual nxs p frequency converters l o n w o r k s o p t i o n b o a r d o p t c 4 Archived D ocum ent ...

Page 2: ...ld in OPT C4 8 3 3 Bus termination resistors 10 3 4 LED indications 10 4 INSTALLATION OF VACON NX LonWorks BOARD 12 4 1 Board information sticker 14 5 COMMISSIONING 15 5 1 Fieldbus board parameters 15 5 2 Start up test 16 6 LonWorks INTERFACE 17 6 1 General 17 6 2 Input Network Variables 19 6 3 Output Network Variables 22 6 4 Network Configuration Variables 25 6 5 Process data 27 7 FAULT TRACKING ...

Page 3: ...etwork communicate with each other using LonTalk protocol Interoperable nodes use Standard Network Variable Types SNVT for communicating over the network The definition of an SNVT includes units a range and an increment Vacon option board uses only Standard Network Variable Types for the data types All network variables are either input data is coming from the network to the device or output data ...

Page 4: ...e connector 5 mm Channel type TP FT 10 Transfer cable Twisted pair Communications Baud rate 78 Kbit s Ambient operating temperature 10 C 50 C Storing temperature 40 C 70 C Humidity 95 no condensation allowed Altitude Max 1000 m Environment Vibration 0 5 G at 9 200 Hz Safety Fulfils EN50178 standard Table 2 1 LonWorks technical data Archived D ocum ent ...

Page 5: ...s LPT 10 Link Power Transceiver and these transceivers can communicate with each other on a single twisted pair cable termination termination Figure 2 1 Doubly Terminated Bus Topology termination Figure 2 2 Singly Terminated Bus Topology termination Figure 2 3 Star Topology termination Figure 2 4 Loop Topology Up to 64 FTT 10 transceiver nodes are allowed per network segment the individual segment...

Page 6: ...ds 2 3 Profiles LonMark Functional Profiles describe in detail the application layer interface including the network variables configuration properties and default and power up behaviors required on LonMark devices for specific commonly used control functions 2 3 1 Variable Speed Drive Profile Leading manufacturers of drive technology have jointly defined the LonMark profile The profile specifies ...

Page 7: ...fieldbus through 3 pin pluggable bus connector The communication with the control board takes place through the standard Vacon Interface Board Connector 3 1 LonWorks OPT C4 option board Figure 3 1 Vacon LonWorks option board OPT C4 Signal Connector Description A1 21 Data A2 22 Data 0Shield 23 Shield Table 3 1 OPT C4 bus connector signals 21 22 23 H3 H2 H1 X5 lw1 fh8 Archived D ocum ent ...

Page 8: ... slot E of the control board It is not necessary to detach the whole board for the grounding of the bus cable shield Just detach the terminal block 3 2 1 Grounding the bus cable shield directly to the frequency converter frame using the RC filter 1 Strip about 5 cm of the cable as shown in the picture Figure 3 2 2 Leave no more than 7 mm of the data cable outside the terminal block Figure 3 3 and ...

Page 9: ...ables and the shield in their respective terminals See Table 3 1 Figure 3 5 4 If the LonWorks board was detached from the control unit place it into slot E of the control board see board installation on page 12 Otherwise attach the terminal block Fix the cable on the frame with the clamp Figure 3 6 Archived D ocum ent ...

Page 10: ...ccordingly Use 94 ohm termination resistance when only one termination is needed and 47 ohm for two terminations Figure 3 7 Using jumper X5 to set the bus termination 3 4 LED indications The three LED indications next to the connector show the present statuses of the Neuron green H3 the LonWorks board yellow H2 and the Fieldbus Module green H1 From the user s viewpoint the first two are the most s...

Page 11: ...for external communication Blinking slow once 5 s Option board is activated and in FAULT state Internal fault on option board Bus status LED H1 GREEN LED is Meaning OFF Fieldbus module is waiting for parameters from the frequency converter No external communication ON Fieldbus module is activated Parameters received and module activated Module is waiting for messages from the bus Blinking very fas...

Page 12: ...NSTALLATION OF VACON NX LONWORKS BOARD NOTE MAKE SURE THAT THE FREQUENCY CONVERTER IS SWITCHED OFF BEFORE AN OPTION OR FIELDBUS BOARD IS CHANGED OR ADDED A Vacon NX frequency converter B Remove the cable cover C Open the cover of the control unit Archived D ocum ent ...

Page 13: ... E on the control board of the frequency converter Make sure that the grounding plate see below fits tightly in the clamp 21 22 23 H3 H2 H1 X5 lw1 fh8 E Make a sufficiently wide opening for your cable by cutting the grid as wide as necessary F Close the cover of the control unit and the cable cover Archived D ocum ent ...

Page 14: ...by the factory includes a sticker shown below Please mark the board type 1 the slot into which the board is mounted 2 and the mounting date 3 on the sticker Finally attach the sticker on your drive Drive modified Option board NXOPT IP54 upgrade Collar in slot Date A B C D E EMC level modified H T T H Date Date 1 2 3 Archived D ocum ent ...

Page 15: ...rd and 2 to reach and edit the parameters associated with the expander board Enter the following menu level G with the Menu button right At this level you can browse through slots A to E with the Browser buttons to see what expander boards are connected On the lowermost line of the display you also see the number of parameter groups associated with the board If you still press the Menu button righ...

Page 16: ...active control place see Vacon NX User s Manual Chapter 7 3 3 Master software 1 Write 100 0 1 to nviDrvSpeedStpt 2 Frequency converter status is RUN and output frequency is 1 00 nviDrvSpeedScale 3 Write 0 0 0 to nviDrvSpeedStpt 4 Frequency converter status is STOP If nvoDrvStats bit 3 1 Status of frequency converter is FAULT Archived D ocum ent ...

Page 17: ...ontrol of Vacon NX e g Run Stop Direction Speed reference Fault reset Full access to all Vacon NX parameters Monitor Vacon NX status e g Output frequency Output current Fault code 6 1 General Figure 6 1 The Node object diagram Node Object 0 nv1 nviRequest SNVT_obj_request nv2 nvoStatus SNVT_obj_status Mandatory Network Variables Archived D ocum ent ...

Page 18: ...lev_percent nv15 nviProcessIN6 SNVT_lev_percent nv16 nviProcessIN7 SNVT_lev_percent nv17 nviProcessIN8 SNVT_lev_percent nv31 nvoProcessOut2 SNVT_lev_percent nv32 nvoProcessOut3 SNVT_lev_percent nv33 nvoProcessOut4 SNVT_lev_percent nv34 nvoProcessOut5 SNVT_lev_percent nv35 nvoProcessOut6 SNVT_lev_percent nv36 nvoProcessOut7 SNVT_lev_percent nv37 nvoProcessOut8 SNVT_lev_percent nv19 nviDigitalIn2 SN...

Page 19: ... object or the Variable Speed Motor Drive object within a node Supported requests are RQ_NORMAL RQ_UPDATE_STATUS RQ_CLEAR_STATUS RQ_REPORT_MASK RQ_DISABLED RQ_ENABLE and RQ_CLEAR_ALARM nviDrvSpeedStpt This input network variable provides control and a low resolution speed setpoint state value command 0 NA Stop 1 0 0 1 1 to 200 0 5 to 100 1 201 to 255 100 0 0xFF NA Auto Table 6 2 nviDrvSpeedScale T...

Page 20: ...ides a mechanism to clear the kWh trip counter or the Drive total running hours trip counter 1 MWh trip counter 2 Operation day trip counter nviProcessIn1 8 These input network variables are sent directly to the application see more detailed explanation in chapter 6 5 Process data The valid range is 0 to 65535 163 840 to 163 835 nviDigitalIn1 8 These input network variables are sent directly to th...

Page 21: ... Values 99 Active Fault Code 100 Not Used 101 899 Parameter 900 999 Reserved Reserved for LonWorks board internal usage 1000 Not Used 1001 1999 Parameter Table 6 5 Grouping of ID numbers Examples Data format in examples is learn selector byte 3 byte 2 byte 1 byte 0 day hour minute second millisecond x meaningless Example1 Write to parameter number 102 Max frequency Basic Application par ID102 valu...

Page 22: ... h 65535 Status word nvoDrvStatus SNVT state n a n a kWh trip counter nvoDrvEnrgy SNVT elect kwh 0kWh 65535kWh Active fault code nvoActFault SNVT count 0 41 Process Out nvoProcessOut1 8 SNVT lev percent 0 65535 Digital Out nvoDigitalOut1 8 SNVT switch 0 4 Parameter Out nvoParResp SNVT preset Table 6 6 Network output variables NvoStatus This output network variable reports the status for Node objec...

Page 23: ...on Value 0 Value 1 0 Not Ready Ready 1 FC stopped Running 2 Clockwise Counterclockwise 3 No fault Fault active 4 No warning Warning active 5 Reference Actual value Reference Actual value Table 6 8 Status word bit descriptions nvoDrvEnrgy This output network variable provides the drive resettable energy consumption counter The maximum value for used SNVT is 65535 kWh On the frequency converter the ...

Page 24: ...t1 8 These output network variables are sent directly from the application see more detailed explanation in chapter 6 5 Process data state value command 0 0 off 0 0 1 200 0xC8 on 200 1 1 0XfF any invalid NULL Table 6 9 nvoParResp explained in chapter nviParSet Archived D ocum ent ...

Page 25: ...centage of nominal speed in RPM as defined by the Nominal Speed nciNmlSpeed configuration value The value of the maximum speed must be validated against the value of the minimum speed as follows 163 840 minimum speed maximum speed 163 830 nciMinSpeed This configuration property is used to define the minimum speed of the motor The value is entered as a percentage of nominal speed in RPM as defined ...

Page 26: ...MinSpeed nciMaxSpeed entered as a percentage of nominal speed nciNmlFreq This configuration property is used to provide the nominal frequency for the motor nciRampUpTm Defines the acceleration time for Vacon NX The valid range is 0 0 to 6 553 4 sec 0 1 sec nciRampDownTm Defines the deceleration time for Vacon NX The valid range is 0 0 to 6 553 4 sec 0 1 sec nciDrvSpeedScale This configuration prop...

Page 27: ...t 5 bit 6 bit 7 bit 10 bit 11 bit 12 nviDigitaln 2 nviDigitaln 3 nviDigitaln 4 nviDigitaln 5 nviDigitaln 6 nviDigitaln 7 nviDigitaln 8 bit 1 FBGeneralStatusWord bit 2 bit 3 bit 4 bit 5 bit 6 bit 7 bit 0 nvoDigitaOut 1 nvoDigitaOut 2 nvoDigitaOut 3 nvoDigitaOut 4 nvoDigitaOut 5 nvoDigitaOut 6 nvoDigitaOut 7 nvoDigitaOut 8 Aplication LonWorks Figure 6 3 Control of frequency converter through LonWork...

Page 28: ...heck the installation If installation is correct contact the nearest Vacon distributor Please visit http www vacon com wwcontacts h tml 54 Slot fault Defective option board or slot Check the board and slot Contact the nearest Vacon distributor Please visit http www vacon com wwcontacts h tml Table 7 1 LonWorks option board faults You can define with parameters how the frequency converter shall rea...

Page 29: ... Voltage V 0 1 V Process data OUT 7 DC link voltage V 1 V Process data OUT 8 Active Fault Code The Multipurpose Control Application has a selector parameter for every Process Data The monitoring values and drive parameters can be selected using the ID number see NX All in One Application Manual Tables for monitoring values and parameters Default selections are as in the table above Process Data IN...

Page 30: ...ontrol and Pump and fan control applications Data Value Unit Step Process Data IN1 Reference for PID controller 0 01 Process Data IN2 Actual Value 1 to PID controller 0 01 Process Data IN3 Actual Value 2 to PID controller 0 01 PD4 PD8 Not Used Archived D ocum ent ...

Page 31: ...adbecker Strasse 425 45329 Essen telephone 49 0 201 806 700 fax 49 0 201 806 7099 india Vacon India Flat no T1 3rd floor VNS Ashok Apartment Plot no 9A New Beach Road Thiruvanmiyur Chennai 600041 Tel 91 44 245 150 18 italy Vacon S p A Via F lli Guerra 35 42100 Reggio Emilia telephone 39 0522 276811 fax 39 0522 276890 the netherlands Vacon Benelux BV Weide 40 4206 CJ Gorinchem telephone 31 0 183 64...

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