Altivar 310
Contents
1. bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit O 0 to 1 Reserved 0 Reserved 0 0 Free wheel Enable Quick stop Switch on Switch on transition staying in operation Drivecom disabled Fault reset Operation Drivecom state Drivecom state Enabled state activation activation activation bit active at 0 bit active at 0 bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8 Reserved Not assignable Reserved Reserved Direction of Reserved 0 Reserved 0 0 RUN asked rotation asked a erao 0 Forward eter asked 1 Reverse Command Transition Final state bit 7 bit 3 bit 2 bit 1 bit 0 Example akies Fault Enable Quick Switch on Switch on yane reset operation stop disabled Shutdown 2 6 8 3 Ready to x x 1 1 0 16 0006 switch on Switch on 3 4 Switched on x x 1 1 1 16 0007 Enable 4 5 Operation x 1 1 1 1 16 000F operation enabled Disable 5 4 Switched on x 0 1 1 1 16 0007 operation Disable 7 9 10 12 2 Switch on x x x 0 x 16 0000 voltage disabled Quick stop 11 6 Quick stop x x 0 1 x 16 0002 active 7 10 2 Switch on disabled Fault reset 15 2 Switch on 001 x x x x 16 0080 disabled x Value is of no significance for this command 0 o 1 Command on rising edge 20 EAV94278 06 2014 ATV310 state machine Status word description ETA 32012. bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 Reserved Switch on Quick stop Voltage Fault Operation Switched on Ready to always 0 disabled bit active at 0 enabled detection enabled switch on bit always on bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8 0 Motor Stop via STOP Reserved 0 Reserved 0 Reference Reference Local mode Reserved 0 rotation in key exceeded reached bit active at 0 forward lt LSP or gt steady state direction or HSP stopped Status bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 ETA z z E z masked by Switch on Quick stop Voltage Fault Operation Switched Ready to 16 006F 1 disabled enabled detection enabled on switch on 1 Not ready to 0 x x 0 0 0 0 switch on 2 Switch on 1 x x 0 0 0 0 16 0050 disabled 3 Ready to 0 1 x 0 0 0 1 16 0031 switch on 4 Switched on 0 1 1 0 0 1 1 160033 5 Operation 0 1 1 0 1 1 1 1640037 enabled 6 Quick stop 0 0 1 0 1 1 1 1640017 active 7 Fault reaction 0 x x 1 1 1 1 active 8 Fault 0 x x 1 0 0 0 160018 2 or 1640038 x In this state the value of the bit can be 0 or 1 1 This mask can be used by the PLC program to test the chart state 2 Fault following state 6 Quick stop active EAV94278 06 2014 21 Application example Connecting an ATV310 to a M218 PLC Here is an example of an application that shows how to control an ATV310 from a M218 PLC equ
3. 4 DANGER UNINTENDED EQUIPMENT OPERATION Read and understand this manual before installing or operating the ATV310 drive Any changes made to the parameter settings must be performed by qualified personnel Failure to follow these instructions will result in death or serious injury 4 WARNING DAMAGED DRIVE EQUIPMENT Do not operate or install any drive or drive accessory that appears damaged Failure to follow these instructions can result in death serious injury or equipment damage EAV94278 06 2014 5 Before you begin A WARNING LOSS OF CONTROL The designer of any control scheme must consider the potential failure modes of control paths and for critical control functions provide a means to achieve a safe state during and after a path failure Examples of critical control functions are emergency stop overtravel stop power outage and restart Separate or redundant control paths must be provided for critical control functions e System control paths may include communication links Consideration must be given to the implications of unanticipated transmission delays or failures of the link Observe all accident prevention regulations and local safety guidelines a Each implementation of the product must be individually and thoroughly tested for proper operation before being placed into service Failure to follow these instructions can result in death serious inju
4. ETA 16 xx31 pp Switched on ETA 16 xx33 Bgy Po Operation enabled Quick stop active ETA 16 xx37 ETA 16 xx17 ehe 10 04 Key State Switched on Value of ETA 16 xx33 e status word ta P PO Transition condition Enable i with example of command gt operation 4 ee e BEN CMD 16 xxxF y grap me aaa EAV94278 06 2014 ATV310 state machine State machine description The Altivar control process using the communication bus follows IEC 61800 7 profile status chart compatible with the DRIVECOM standard Each state represents an aspect of the internal behaviour of the drive This chart evolves according to whether the control word is sent CMD W8501 or an event occurs example lock following malfunction The drive status can be identified by the value of the status word ETA W3201 Not ready to switch on Initialization Communication is being initialized Transient state invisible to the communication bus Switch on disabled Configuration Initialization of the drive is complete The configuration and adjustment parameters can be modified The drive is locked Ready to switch on and Switched on Drive initialized The drive is locked The power stage of the drive is ready to operate but voltage has not yet been applied to the output The configuration and adjustment parameters can be modified but modifying a configuration parameter returns the driv
5. 16403 Contain number of holding registers to be written Write Byte count 1 16 06 The byte count specifies the number of bytes to follow in the field Write Register Value Write Registers Value Nx2 Bytes 16HXX Value to be written respectively in 706 0 to 706 2 so the configured N quantity to XXXX example write XXXX CMD LFRD CMI XX Example Slave n Function Read starting Read starting Qty Write starting Write starting Code Address HI Address LOW Address HI Address LOW 1 byte 1 byte 1 byte 1 byte 2 byte 1 byte 1 byte Write byte Writing Writing Value count Value 1 HI id Value Th 1 2 3 0 ee 1 byte 1 byte tbyte tt 1 byte 1 byte 2 byte EAV94278 06 2014 15 Modbus Functions Read Device Identification ID Name Description Type 0x00 VendorName ASCII String 0x01 ProductCode ASCII String 0x02 MajorMinorRevision ASCII String Example Default values to be detailed Request Slave 2B Type of MEI ReadDeviceld Object Id CRC16 no 0E 01 00 1 Hi 1 byte 1 byte 1 byte 1 byte 1 byte 2 bytes Response Slave 2B Type of MEI ReadDeviceld Degree of conformity no 0E 01 02 1 byte 1 byte 1 byte 1 byte 1 byte Number of additional frames Next object Id Number of objects 00 00 03 1 byte 1 byte 1 byte Id of object no 1 Length of obj
6. 247 UFF _ ie 0 OFF broadcast only OFF l 297 Ba 4 8 kbps 4 B MODBUS baud rate 9 6 kbps a 6 _ 102 19 2 kbps 19 2 kbps 19 2 16 1773 06003 38 4 kbps 38 4 MODBUS format 801 8 bits odd parity 1 stop bit Bao I 703 8E1 8 bits even parity 1 stop bit 8E1 BEI 161774 06004 8N1 8 bits no parity 1 stop bit Bn I 8N2 8 bits no parity 2 stop bits End no Timeout Adjustable from 0 1 to 30s 10 0s DL 30 16 1775 06005 189 706 Communication scanner submenus Detailed in the next chapter TOF 7108 The behaviour of the ATV310 when a time out occurs is defined by the E I parameter this parameter can be found in the menu 6 0D see User Manual 4 WARNING LOSS OF CONTROL If Modbus fault management 611 fault ignore 00 communication control will be inhibited For safety reasons inhibition of communication fault should only be used for adjustment or special applications purpose Failure to follow these instructions can result in death serious injury or equipment damage EAV94278 06 2014 IO Scanner configuration parameters Integrated communication scanner The communication scanner is useful when used in combination by the Modbus client device with the function Read Write Multiple registers 23 0x17 which provides in a single telegram a read multiple registers and a write multiple registers The detail of the function 23 is described in the supported Modbus func
7. file with the following data Code Name e Modbus Addresses Category Read write access Type signed numerical unsigned numerical etc Unit Factory setting Minimum value Maximum value Display on the 7 segment integrated display terminal Relevant menu This file offers the option of sorting and arranging the data according to any criterion chosen by the user A DANGER UNINTENDED EQUIPMENT OPERATION Read and understand this manual before installing or operating the ATV310 drive Any changes made to the parameter settings must be performed by qualified personnel The excel file does not describe the behaviour of the parameters Before any modification refer to the ATV310 User Manual Failure to follow these instructions will result in death or serious injury EAV94278 06 2014 7 Presentation The Modbus socket on the ATV310 can be used for the following functions Configuration Settings Control e Monitoring The ATV310 fc drive supports The 2 wire RS485 physical layer The RTU transmission mode 8 EAV94278 06 2014 Connection to RS485 bus Connection to ATV310 Connection accessories should be ordered separately please consult our catalogues Connect the RJ45 cable connector to the ATV310 connector Pin out of the ATV310 RJ45 Connector View from underneath Pin Signal 1 z 2 3 4 D1
8. output frequency 60 Hz W3103 16 0258 512 2 High speed 50 Hz W3104 16 01F4 LSP Low speed 0 Hz W3105 16 0000 Request 02 03 0C1E 0004 276C Response 02 03 08 0028 0258 01F4 0000 52B0 Value of W3102 W3103 W3104 W3105 Parameters 315 308 512 2 512 0 EAV94278 06 2014 Modbus Functions Write one output word Request Function code 1 Byte 0x06 Register Address 2 Bytes 0x0000 to OxFFFF Register value 2 Bytes 0x0000 to OxFFFF Response Function code 1 Byte 0x06 Register Address 2 Bytes 0x0000 to OxFFFF Register value 2 Bytes 0x0000 to OxFFFF Error Error code 1 Byte 0x86 Exception code 1 Byte 01 or 02 or 03 or 04 see details on page 17 Example Request and response the frame format is identical Slave 06 Word number Value of word CRC16 in Hi Lo Hi Lo Lo Hi 1 byte 1 byte 2 bytes 2 bytes 2 bytes Example write value 16 000D in word W9001 16 2329 in slave 2 ACC 13 s Request and response 02 06 2329 000D 9270 Read write Multiple registers Description Length in byte Value Comment Function code 1 16 17 Read starting address 2 16 XXXX Always Modbus address Quantity to read 2 16403 Contain number of holding registers to be read Write starting address 2 16 XXXX Always Modbus address Quantity to write 2
9. 1 5 DO 1 6 z 7 VP 2 8 Common 1 1 Modbus signals 2 Supply for RS232 RS485 converter or a remote terminal Protection against interference e Use the Schneider Electric cable with 2 pairs of shielded twisted conductors reference TSXCSA100 TSXCSA200 TSXCSA500 Keep the Modbus cable separated from the power cables 30 cm 11 8 in minimum Make any crossovers of the Modbus cable and the power cables at right angles if necessary For more information please refer to the TSX DG KBL E manual Electromagnetic compatibility of industrial networks and fieldbuses RS485 bus schematic The RS485 standard allows variants of different characteristics e polarisation line terminator e distribution of a reference potential number of slaves length of bus The new Modbus specification published on the Modbus org site in 2002 contains precise details of all these characteristics They are also summarised in Standard schematic section The new Schneider Electric devices conform to this specification EAV94278 06 2014 9 Configuration of the Modbus serial port Communication Menu Structure The communication parameters are part of the COM submenu This menu is accessible as follows Communication configuration Parameters decription Parameter description Range or listed values default Possible Value Modbus address MODBUS address of the drive 1 to
10. EAV94278 Altivar 310 Variable speed drives for asynchronous motors Modbus Communication Manual 06 2014 Schneider www schneider electric com ES Electric Contents Important Information Before you begin Documentation structure Presentation Connection to RS485 bus Configuration of the Modbus serial port 10 Scanner configuration parameters Modbus Functions ATV310 state machine Application example Connection to RS485 bus EAV94278 06 2014 Important Information NOTICE Read these instructions carefully and look at the equipment to become familiar with the device before trying to install operate or maintain it The following special messages may appear throughout this documentation or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure The addition of this symbol to a Danger or Warning safety label indicates that an electrical hazard exists which will result in personal injury if the instructions are not followed This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death 4 DANGER DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious injury 4 WARNING WARNING indicates a potentially hazardous situation whi
11. T 2 50 Data structure declaration BM DevicePath ADDM_TYPE ZMW5O DevicePath 0 INT zMWSO DevicePath 1 INT 2MW51 DevicePath 2 INT ZMWBZ DevicePath 3 INT MWw53 DevicePath 4 INT Zw 54 DevicePath 5 INT ZMW 55 DevicePath 6 INT ZMW 56 DevicePath INT MW ReadYarMGT MBMatT able ZMwW40 ReadyarMGT D INT 4MWw40 ReadYarMGT 1 INT ZM Ww ReadYamMGT 2 INT Z2MW42 ReadYamMGT 3 INT A OE EAV94278 06 2014 23 Application example Cyclical exchanges In the example below the application manages 2 requests A read request of 4 words starting at Modbus address 12741 NM1 Modbus function 3 e A write request of 4 words starting at Modbus address 12761 NC1 Modbus function 16 Requests are executed only each N x FAST task to avoid too much activity on the serial line The device can be modified polling several devices by writing in DevicePath 3 Cyclical communication Modbus Requests are sent only each ModbusRequestPeriod X FAST period X n if ModbusRequestPeriod gt 25 then Read request to ATV310 Modbus function 3 IF not ReadVarBusy then READ VAR DevicePath MW 12741 4 ReadVarMGT MW124 4 Devicepath is initialized during Init Sequence END_IF Write request to ATV310 Modbus function 16 IF not WriteVarBusy then WRITE VAR DevicePath MW 12761 4 lt MW120 4 WriteVarMGT END_IF ModbusReque
12. ch if not avoided can result in death or serious injury 4 CAUTION CAUTION indicates a potentially hazardous situation which if not avoided can result in minor or moderate injury NOTICE NOTICE used without the safety alert symbol indicates a potentially hazardous situation which if not avoided can result in property damage PLEASE NOTE The word drive as used in this manual refers to the controller portion of the adjustable speed drive as defined by NEC Electrical equipment should be installed operated serviced and maintained only by qualified personnel No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material O 2014 Schneider Electric All Rights Reserved 4 EAV94278 06 2014 Before you begin Read and understand these instructions before performing any procedure with this drive A A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH Only appropriately trained persons who are familiar with and understand the contents of this manual and all other pertinent product documentation and who have received safety training to recognize and avoid hazards involved are authorized to work on and with this drive system Installation adjustment repair and maintenance must be performed by qualified personnel The system integrator is responsible for compliance with all local and national electrical code requirements as wel
13. e to the Switch on disabled state Operation enabled Operational The drive is unlocked and voltage can be applied to the motor terminals Auto tuning tUn requires an injection of current The drive must therefore be in this state to perform this command The adjustment parameters can be modified even if a run command or a DC injection current is present However a configuration parameter can only be modified if the motor is stopped and this returns the drive to the Switch on disabled state Quick stop active Emergency stop active Fast stop Restarting is only possible after the drive has changed to the Switch on disabled state Malfunction reaction active Reaction on fault Transient state during which the drive performs an action appropriate to the type of fault detection Malfunction Fault The drive is locked Summary State Power supplied to motor Modification of configuration parameters 1 Not ready to switch on No Yes 2 Switch on disabled No Yes 3 Ready to switch on No Yes 4 Switched on No Yes return to 2 Switch on disabled state 5 Operation enabled Yes except at zero reference or halt No 6 Quick stop active Yes during fast stop No 7 Fault reaction active Depends on fault managment configuration 8 Fault No Yes EAV94278 06 2014 19 ATV310 state machine Command word description CMD 8501
14. ect no 1 Value of object no 1 00 12 Schneider Electric 1 byte 1 byte 18 bytes Id of object no 2 Length of object no 2 Value of object no 2 01 0B ATV310H037N4 1 byte 1 byte 11 bytes Id of object no 3 Length of object no 3 Value of object no 3 02 04 0201 1 byte 1 byte 4 bytes CRC16 Lo Hi 1 byte 1 byte The total response size equals 49 bytes The three objects contained in the response correspond to the following objects e Object no 1 Object no 2 Object no 3 Note The response to function 43 may be negative in this case the response located at the top of the next page is sent by the ATV310 ASCII string for example 0201 for version 2 1 rather than the response described above Manufacturer name always Schneider Electric ie 18 bytes Device reference ASCII string for example ATV310H037N4 ie 11 bytes Device version in MMmm format where MM represents the determinant and mm the subdeterminant 4 bytes EAV94278 06 2014 Modbus Functions Error management Exception responses An exception response is returned by a slave when it is unable to perform the request which is addressed to it Format of an exception response Slave Response Error CRC16 no code code Lo Hi 1 byte 1 byte 1 byte 2 bytes Response code request function code 16480 Error code 1 The funct
15. gisters 23 Read write multiple registers Max PDU length 4 words W 4 words R 16 17 Sub function 43 14 Encapsulated interface transport Read device Identification 16 2B Read device identification 16 0E EAV94278 06 2014 13 Modbus Functions The following paragraphs describes each supported function Read Holding registers Request Function code 1 Byte 0x03 Starting Address 2 Bytes 0x0000 to OxFFFF Quantity of Registers 2 Bytes 1 to 63 0x 3F Response Function code 1 Byte 0x03 Byte count 1 Byte 2xN Register value N x 2 Bytes N Quantity of Registers Error Error code 1 Byte 0x83 Exception code 1 Byte 01 or 02 or 03 or 04 see details on page 17 Example Note Hi high order byte Lo low order byte This function can be used to read all ATV310 words both input words and output words Request Slave 03 No of first word Number of words CRC16 Hi Lo Hi Lo Lo Hi 1 byte 1 byte 2 bytes 2 bytes 2 bytes Response Slave 03 Number of First word value Last word value CRC16 no pytesiread Hi Lo Hi Lo Lo Hi 1 byte 1 byte 1 byte 2 bytes 2 bytes 2 bytes Example read 4 words W3102 to W3105 16 0C1E to 16 0C21 in slave 2 using function 3 where 315 Switching frequency 4 kHz W3102 16 0028 308 Maximum
16. interrogates each of the slaves in succession No slave can send a message unless it is invited to do so The master repeats the question when there is an incorrect exchange and declares the interrogated slave absent if no response is received within a given time period If a slave does not understand a message it sends an exception response to the master The master may or may not repeat the request coral Direct slave to slave communications are not possible For slave to slave communication the application software must therefore be designed to interrogate a slave and send back data received to the other slave Two types of dialogue are possible between master and slaves the master sends a request to a slave and waits for its response e the master sends a request to all slaves without waiting for a response broadcasting principle Addresses The drive Modbus address can be configured from 1 to 247 Address 0 coded in a request sent by the master is reserved for broadcasting ATV310 drives take account of the request but do not respond to it Supported Modbus functions The ATV310 supports the following Modbus functions Function name Code Description Remarks Read holding registers 03 Read N output words Max PDU length 63 words 16 03 Write one output word 06 Write one output word 16 06 Write multiple registers 16 Write N output word Max PDU length 61 words 16 10 Read write Multiple re
17. ion requested is not recognized by the slave 2 The bit or word addresses indicated in the request do not exist in the slave 3 The bit or word values indicated in the request are not permissible in the slave 4 The slave has started to execute the request but cannot continue to process it completely CRC16 calculation The CRC16 is calculated on all the message bytes by applying the following method Initialize the CRC 16 bit register to 16 FFFF Enter the first to the last byte of the message CRC XOR lt byte gt gt CRC Enter 8 times Move the CRC one bit to the right If the output bit 1 enter CRC XOR 16 A001 gt CRC End enter End enter The CRC obtained will be transmitted with the low order bytes sent first followed by the high order ones unlike the other data contained in Modbus frames XOR exclusive OR EAV94278 06 2014 17 ATV310 state machine Status chart based on IEC 61800 7 The state machine below describes the interaction between the drive s state machine monitored by the status word ETA parameter and the Command Word CMD CIAO and CANopen are registered Community Trademarks of CAN in Automation e V Since 2007 CiA402 profile is part of the IEC standard 61800 7 Therefore DriveCom or CiA402 terminology is no more used Entry into F Not ready to switch on Fault reaction active Switch on disabled Fault ETA 16 xxx8 ETA 16 xx50 06 Ready to switch on
18. ipped with a Modbus master serial port The program provides a control of the drive from an operator screen designed under Unity The example illustrates also the previous chapter Configuration of the Modbus Master The default settings of the serial port used as a Modbus master are compliant with the default settings of the ATV310 amp Project X Configuration RR 0 PLCbus M 0 Bmx xep 0800 Mt P P Bmx CPS 2000 f 0 BMXP34 2010 O CANopen sSeriaipor MED Transmission speed 13200 bests X Delay between frames Y Default E ms Data Stop ASCH 7 bits ibt RTU S bits C 2bis Parity Even C Odd C None RTSICTS delay 22 EAV94278 06 2014 Application example Initialization The communication is based on the READ_VAR WRITE_VAR functions During the first execution of the MAST task you can initialize the data structures used by these two functions Devicepath describes the path to the device including its slave address ReadVarMgt and WriteVarMat are arrays used respectively by READ_VAR and WRITE_VAR Only the 3rd element of these arrays is modifiable by the user To define the time out duration of the requests deta anitialization Communication path to Modbus slave device at 3 The device path can be modified later by the app MSB of DevicePath 3 contains the device address DevicePath ADDM 0 0 0 3 Time out duration ReadVarMGT 2 50 WriteVarMG
19. l as all other applicable regulations with respect to grounding of all equipment Many components of the product including the printed circuit boards operate with mains voltage Do not touch Use only electrically insulated tools Donottouch unshielded components or terminals with voltage present Motors can generate voltage when the shaft is rotated Before performing any type of work on the drive system block the motor shaft to prevent rotation ACvoltage can couple voltage to unused conductors in the motor cable Insulate both ends of unused conductors of the motor cable Donotshort across the DC bus terminals or the DC bus capacitors or the braking resistor terminals Before performing work on the drive system Disconnect all power including external control power that may be present Place a Do Not Turn On label on all power switches Lock all power switches in the open position Wait 15minutes to allow the DC bus capacitors to discharge The DC bus LED is not an indicator of the absence of DC bus voltage that can exceed 800Vdc Measure the voltage on the DC bus between the DC bus terminals using a properly rated voltmeter to verify that the voltage is lt 42Vac Ifthe DC bus capacitors do not discharge properly contact your local Schneider Electric representative e Install and close all covers before applying voltage Failure to follow these instructions will result in death or serious injury
20. nfigured as follow 706 0 706 1 705 O 105 are used with their default values 706 2 is configured with the address of C N Extended control word Modbus 8504 1642138 705 2 is is configured with the address of E E I Extended control word Modbus 3206 16 0C86 How to read the diagram below Example for 706 2 106 2 O contain the logical address 2 38 of C N Extended control word O Communication scanner menu TEE e submenu TAO THE Extended control word N 2 EN 1 Extended control word End Control word Leip el Speed reference via the bus signed value ESE Status word ler El Speed reference via the bus signed value The required telegram to perform the exchange is the Modbus function 23 Obviously a sequence of requests based on Modbus functions 03 and 16 is also possible See also the chapters Modbus Functions and ATV310 and M218 12 EAV94278 06 2014 Modbus Functions Modbus Protocol The transmission mode used is RTU mode The frame contains no message header byte nor end of message bytes It is defined as follows The data is transmitted in binary code CRC16 cyclical redundancy check The end of the frame is detected on a silence greater than or equal to 3 characters Principle The Modbus protocol is a master slave protocol Master Only one device can transmit on the line at any time The master manages the exchanges and only it can take the initiative It
21. ry or equipment damage a For USA Additional information refer to NEMA ICS 1 1 latest edition Safety Guidelines for the Application Installation and Maintenance of Solid State Control and to NEMA ICS 7 1 latest edition Safety Standards for Construction and Guide for Selection Installation and Operation of Adjustable Speed Drive Systems 6 EAV94278 06 2014 Documentation structure The following Altivar 310 technical documents are available on the Schneider Electric website www schneider electric com ATV310 Quick Start Guide EAV94272 The Quick Start describes how to wire and configure the drive to start motor quickly and simply for simple applications This document is delivered with the drive with an Annex S1A58684 for Short Circuit Current Ratings SCCR and branch circuit protection ATV310 User manual EAV94277 This manual describes how to install program and operate the drive ATV310 Modbus Communication manual EAV94278 This manual describes the assembly connection to the bus or network signaling diagnostics and configuration of the communication specific parameters via the 7 segment LED display It also describes the communication services of the Modbus protocol This manual includes all Modbus addresses It explains the operating mode specific to communication state chart ATV310 Modbus parameters description file EAV94279 All the parameters are grouped together in an Excel
22. st Period 0 END IF The key data are highlighted address and lengh in the device source and destination of the data in the PLC The time out can be managed by the application in a separate way by testing the activity of the 2 bits ReadVarBusy and WriteVarBusy Overview of the communication tables Name Type v Address y Value Comment ATv12_NC ATV310I0SCAN MW120 ATvai0 com scanner IN PLC gt ATV ATV310_NCI O INT MWw1 20 default ATV310 CMD Control Word ATV310_NCI1 INT 2Mw121 default ATV310 LFRD Frequency reference ATv310_NC 2 INT zMw122 ATV310_NC 3 INT zMWw123 BM ATVI12_NM ATV310I0SCAN ZM w124 ATV310 COM scanner OUT ATY gt PLC ATv310_Nm 0 INT zMw124 default ATV310 ETA status word ATV310_NMI1 INT 2Mw125 default ATV310RFRD Output speed ATV310_NMI 2 INT 2Mw126 ATV310_NM 3 INT 2Mw127 24 EAV94278 06 2014 Connection to RS485 bus Standard schematic The standard schematic corresponds to the Modbus specification published on the Modbus org site in 2002 Modbus_over_serial_line_V1 pdf Nov 2002 and in particular to the schematic of the 2 wire multidrop serial bus The ATV310 drive follows this specification Schematic diagram Master 1 Common N 7 en l l i i l l l I I I I l 1 l l I I l Type of trunk cable Shielded cable with 1 t
23. tions Local configuration of the communication scanner The communication scanner is accessible via the following menus 700 and 705 706 submenus The 4 output variables and the 4 input variables are assigned by means of parameters 706 Oto 7106 Jand 7105 Oto 705 3 An 706 or 70 5 parameter with a value of zero indicates that the parameter is not active These 8 parameters are described in the table NCA or NMA defines the addresses All these parameters are Modbus eligible addresses Destination drive address of the 1st output word 1642135 Submenu On the local HMI it is parameter description Factory setting parameter Modbus address a5 NMA1 7085 0 Address of ETA 3201 705 0 address Source drive address of the 1st input word 16 0C81 16 319D 12701 NMA2 705 Address of RFRD 8604 705 1 address Source drive address of the 2nd input word 16 219C 16 319E 12702 NMA3 705 2 0 705 2 address Source drive address of the 3rd input word 16 319F 12703 NMA4 7105 3 0 705 3 address Source drive address of the 4th input word 16 31A0 12704 IRB NCA1 705 D Address of CMD 8501 706 0 address 16 31B1 12721 NCA2 706 1 Destination drive address of the 2nd output word Address of LFRD 8602 16 219A 706 1 address 16 31B2 12722 NCA3 7106 2 Destination drive address of the 3rd output word 0 706 2 address 16 31B3 12723 NCA4 706 3 Destination drive address of the 4th ou
24. tput word 706 3 address 16 31B4 12724 Monitoring the communication scanner It is also possible to monitor the parameters value that have been configured in the communication scanner accessible via the following menus 700 and 10 7 708 submenu This monitored values are The 4 output variable values and the 4 input variable values are located into parameters 704 Oto 708 Jand 70 7 Oto 707 3 Submenu On the local HMI it is parameter description Factory setting parameter Modbus address Ta I NM1 701 0 ETA value 707 0 address Source drive value of the 1st input word 16 31C5 12741 NM2 701 I 707 1 address Source drive value of the 2nd input word RERO Valle 16 31C6 12742 NM3 70 7 2 0 707 2 address Source drive value of the 3rd input word 16 31C7 12743 NM4 707 3 0 707 3 address Source drive value of the 4th input word 16 31C8 12744 7108 NC1 708 0 CMD value 708 0 address Destination drive value of the 1st input word 16 31D9 12761 NC2 7108 1 LFRD value 708 1 address Destination drive value of the 2nd input word 16 31DA 12762 NC3 708 2 0 708 2 address Destination drive value of the 3rd input word 16 31DB 12763 NC4 704 3 0 708 3 address Destination drive value of the 4th input word 16 31DC 12764 EAV94278 06 2014 11 IO Scanner configuration parameters Configuration example In this example the communication scanner is co
25. wisted pair and at least a 3 conductor Maximum length of bus 1000 m at 19200 bps with the Schneider Electric TSX CSAeee cable Maximum number of stations without 32 stations ie 31 slaves repeater Maximum length of tap links 20 m for one tap link 40 m divided by the number of tap links on a multiple junction box Bus polarisation One 450 to 650 pulldown resistor at 5 V 650 Q recommended One 450 to 650 pulldown resistor at the Common 650 Q recommended This polarisation is recommended for the master Line terminator One 120 Q 0 25 W resistor in series with a 1nF 10 V capacitor Common polarity Yes Common connected to the protective ground at one or more points on the bus EAV94278 06 2014 25 26 EAV94278 06 2014 EAV94278 ATV310_Modbus_EN_EAV94278_01 06 2014
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