Communication Manual ESV__SMV LECOM RS485 module
Contents
1. EOT 04 End of the previous transmission AD1 AD2 Logic unit address of the slave to be addressed Slaves C1 C2 Code number two ASCII characters or extended addressing ENQ 05 Station request Receive Telegram Response The SMV controller addressed via a RECEIVE telegram generates one of the following responses e The controller could decode the request and is now sending the requested parameter value to the host SIX Ci C2 VI 0 Vn ETX BCC e The controller could decode the request however a check sum fault parity fault occurred during transmission STX t 02 ETX BCC e The controller could not process the request because the requested code number does not exist SIX C1 C2 EOT The abbreviations have the following meanings STX 02 6 Start of text C1 C2 Code number two ASCII characters or extended addressing V1 to Vn Parameter value n ASCII characters ETX 03 End of text BCC Block check character 00 SF i ASCII character EOT 04 End of the previous transmission Structure and meaning of the block check character BCC are described in the corresponding paragraph of the chapter SEND CMVLC401A 15 6 4 Commissioning Example 1 The current speed setpoint code number C46 is to be read with the bus address 01 at the controller The host sends the following RECEIVE telegram EOT 0 1 4 6 ENQ The2. 4 2 RS485 LECOM Specific Parameters Sg NEIE TEE 5 1 LECOM A B Protocol Description 5 2 Controller address AD1 AD2 5 3 Code Number C1 C3 5 3 1 Standard Addressing 5 3 2 Addressing via Code Bank 5 3 3 Addressing via Input Selection AAA 12 5 3 4 engin Cn 12 5 4 Parameter Value V1 to Vn 5 5 Block Check Character BCC LECOM Message Details csccscccccssesssecssessesceeeescesseseesesseseaesesseneaesesseneensesseneessesseaessaessaseessesensensaesesseesansasneneats 6 1 6 2 Receive elen e Na eed God ee Glide aed WA M 6 3 Receive Telegram Response 6 4 Send Telegram 6 4 Broadcast Multicast COMMISSION DEE 7 1 Drive MODITOFIDIG EE 7 2 Drive Programming and Control 7 3 Network Watchdog 7 3 1 Watchdog 7 3 2 Watchdog Time out Period P425 7 3 3 Watchdog Time out Action P426 Drive Registers est ed fd rd dnd fne eee 8 1 Configuration and Control Registers 8 1 1 C1050 Network Controlled Digital Output 8 1 2 C1055 Network Controlled Analog Output 8 1 3 C1099 Parameter Version eese nene ne tenetetetntntntn tnter tn tnter tte te tete tete
3. 20mm max Connect to drive earth PE Figure 4 Connector Wiring Diagram Lenze CMVLC401A je D Aa Installation Gus 3 3 4 Network Termination For an RS 485 network it is essential to install the specified termination resistors 1200 i e one at both ends of a network segment Failure to do so will result in signals being reflected back along the cable which will cause data corruption An external 1200 1 4W resistor can be connected as shown in Figure 5 20mm max Connect to drive earth PE Figure 5 Network Termination Resistor lenze CMVLC401A Commissioning Parameters for use with RS 485 LECOM Drive Communication Parameters The parameters listed in Table 5 are always present on the drive even if there is no communication module installed Table 5 Drive Communication Parameters Code Possible Settings No Name Default Selection ld P400 Network Protocol Not Active 1 Remote Keypad 2 Modbus RTU 7 LECOM B P401 Module Revision 01 0 0 Display reads 01 x x where Read only 01 RS485 Remote Keypad Module x x Module Revision P402 Module Status 0 0 Not Initialized Read only 1 Initialization Module to EPM 2 Initialization EPM to Module 3 Online the communications between the drive and module are working properly 4 Failed Initialization Error 5 Time out Error 6 Initialization F
4. Controller Status Word v Description Reserved Power stage transistors energized Current Limit reached Reserved Setpoint Frequency reached Actual frequency above threshold C17 Actual frequency 0Hz Controller inhibit 0 No controller inhibit 1 Controller inhibit Controller status 0 No error 1 Error Overtemperature fault DC Bus overvoltage Direction of rotation 0 2 1 CCW Read for operation 0 fault not ready for operation 1 no fault ready for operation LECOM Format VH Read only CMVLC401A 21 8 1 1 8 1 2 8 1 3 22 Commissioning Code Parameter Name Default Range of Adjustment Important Number C0200 Software Software identification string Read only Identification example 33SSSMD M_14000 LECOM Format VS C0201 Software Software generation date Read only Generation Date example 2008 10 18 LECOM Format VS C1050 Network Controlled 0 de energized Refer to section 8 1 1 Digital Output 1 energized TB14 Relay bit9 14 state bit10 Relay state other bits are not used C1055 Network Controlled 0 0 0 0 ud 100 0 Refer to section 8 1 2 Analog Output C1060 Keypad Speed 20 0 Hz P102 P103 Command C1061 Network Speed 0 0 Hz P102 P103 Command C1070 Keypad PID 0 0
5. 4 7 Last communication error 0 No fault 1 Check sum error 2 Protocol frame error 3 Reserved 4 Invalid code number 5 Invalid variable 6 No access permission 7 Telegram processing interrupted by a new telegram 15 General fault Control via LECOM enabled Actual frequency above threshold C17 10 Direction of rotation 0 CW 1 CCW 11 Power stage transistors energized 12 Quick STOP active 13 Current Limit 14 Setpoint frequency reached 15 Fault occurred LECOM Format VH Lenze CMVLC401A 19 20 Commissioning Code Parameter Name Default Range of Adjustment Important Number C0135 Controller Control Bit Description Word 0 1 JOG1 JOG2 J0G3 0 C0046 active 1 J0G1 C0037 active 2 J0G2 C0038 active 3 J0G3 C0039 active 2 Rotation command 0 CW 1 CCW 3 Quick Stop 0 QSP not active 1 QSP active 4 8 Reserved Controller inhibit 0 No controller inhibit 1 Controller inhibit 10 Reserved 11 Trip fault reset 0 gt 1 Edge from 0 to 1 causes TRIP reset 12 13 Reserved 14 DC Brake DC injection brake 0 DCB not active 1 DCB active 15 Reserved LECOM Format VH C0140 Frequency Setpoint 0 0 Hz 0 0 500 0 Hz Command CMVLC401A mE Lenze Commissioning Code Number Parameter Name Default Range of Adjustment Important C0150
6. Network Control 0 0 Monitor Only P420 2 3 setpoint control using code Level 1 Parameter Programming number C0046 or C1061 P420 3 4 drive control using code 2 Programming and Setpoint Control numbers C0040 and or C01 d Full Control P420 4 setting C0140 0 results in 4 Full Control Special Quick Stop Stop commands QUICK STOP INHIBIT will always be accepted P424 Network Powerup 0 0 Quick Stop Start Status 1 Controller Inhibit P425 Network Message 50 0 ms 65000 time out P426 Network Message 0 0 Noaction time out action 1 Controller Inhibit 2 Quick Stop 3 Trip Fault F nF1 P427 Valid Network 0 0 messages 9999 e Read only messages e When number of messages exceed Received 9999 counter resets and resumes counting from 0 P494 Communication e Read only Module software e Format x yz version P495 Internal Code e Read only e Alternating Display xxx yy Lenze CMVLC401A 5 2 Commissioning LECOM Protocol Details LECOM A B Protocol Description The LECOM A B protocol is used to exchange data between SMV controllers and a host The LECOM A B protocol is based on DIN 66019 ISO 1745 and ANSI X3 28 category 2 5 and A2 A4 These standards are similar to each other and describe the control mode of a transmission section of a transmission system The host the master can communicate with a slave SMV controller in three modes e RECEIVE refer to 6 2 e SEND refer to 6 3 e BROADCAST MUL
7. No part of this documentation may be copied or made available to third parties without the explicit written approval of Lenze AC Tech Corporation All information given in this documentation has been carefully selected and tested for compliance with the hardware and software described Nevertheless discrepancies cannot be ruled out We do not accept any responsibility nor liability for damages that may occur Any necessary corrections will be implemented in subsequent editions 10 Lenze Contents Safety Information ccecssescssescsscscsecsesesscessssecsesccsesecsesacsesacsesessesacsesaesesaesessesessusassesaesesausesausessesessesaesesausesauseseness 1 1 ET ETC 1 2 Application 1 3 Instzallatton 1 4 Electrical Connection 1 5 HEITE ee E E deele cceeeceeescseeccsssccsesecsecscsessssessssecsesecsesessesessesaesesassesaeseseusessesassesassesauseseusassesassesassesauseseusassesassesausesansess 2 1 Module Specifications 2 2 Module Identification Label DEED BEE EN Mechanical Installation AAA 3 2 RS 485 Terminal 3 3 Electrical Installation 3 3 1 Cable Types 3 3 2 Network Limitations 3 3 3 Connections and Shielding 3 3 4 Network lu LEIT EEN Parameters for use with 5 485 7 4 1 Drive Communication Parameters
8. etes Programming Tel 9 1 Fault History P500 sse 9 2 Drive ID P502 9 3 Terminal and Protection Status P530 9 4 Keypad Status P53 EE Troubleshooting and Fault Elimination essent nente tnter nnne 10 1 Fullscreen nunt 10 2 Troubleshooting CMVLC401A 1 1 1 2 1 3 1 4 Safety Information Safety Information General Some parts of Lenze controllers frequency inverters servo inverters DC controllers can be live moving and rotating Some surfaces can be hot Non authorized removal of the required cover inappropriate use and incorrect installation or operation creates the risk of severe injury to personnel or damage to equipment All operations concerning transport installation and commissioning as well as maintenance must be carried out by qualified skilled personnel IEC 364 and CENELEC HD 384 or DIN VDE 0100 and IEC report 664 or DIN VDE0110 and national regulations for the prevention of accidents must be observed According to this basic safety information qualified skilled personnel are persons who are familiar with the installation assembly commissioning and operation of the product and who have the qualifications necessary for their occupation Application Drive controllers are components designed for installation in electrical systems or machinery They are not to be used as appli
9. of the slave response The master monitors the selected slave The slave must return a response within a defined time Under the following circumstances the slave does not return a response to the master time out e The controller address could not be recognized e The transmission path is faulty A BROADCAST telegram had been sent e The hardware does not work properly If the master does not receive a response within a defined period of time the transmission is tried again The number of repetitions is limited The monitoring time in the master should be approx twice as long as the maximum response time Transmission faults After a transmission fault the master can read C0068 and evaluate the communication error in bit 4 7 CMVLC401A 17 7 2 7 3 7 3 1 7 3 2 7 3 3 Commissioning Commissioning Drive Monitoring The network can always read drive parameters as long as the LECOM communications are enabled i e P400 7 and configured properly see P410 411 For monitor only operation set P420 0 Drive Programming and Control Network Control must be enabled for the network to program drive parameters or take control of a drive This is done by 1 Setting P121 P124 equal to 09 NET ENABLE and asserting the corresponding TB 13x terminal 2 Setting P100 to 00 01 03 04 or 06 Network control cannot be enabled when P100 is set to 02 REMOTE KEYPAD ONLY or 05 TERMINAL STR
10. shown under Range if the specification is selectable the table identifies the Parameter and available range of selections Table 2 LECOM Serial Communication Description Type Range Network Address Selectable P410 1 99 Baud Rate Selectable P411 9600 4800 2400 1200 19200 bps Data Bits Fixed 7 Parity Stop Bits Fixed Even 1 Typical communications between master and slave would be e Write commands from Master Run command Frequency Reference Modification of Drive operating parameters e Requests from Master Reporting of drive status Fault status and fault history Module Identification Label Figure 1 illustrates the labels on the SMV RS 485 communications module The SMVector RS 485 module is identifiable by e Two labels affixed to either side of the module e color coded identifier label in the center of the module Right hand Label Ratings amp Certifications LISTED ESVZARO OOOXX1A10 Fieldbus Identifier R RS 485 Modbus RTU LECOM COMM 1 0 ONLY S N 123456789 Left hand Label Module Data SMV RS 485 A A Fieldbus Protocol TYPE ESVZARO B B Model Number ID NO 12345678 Lenze Order Number D D Firmware Revision ESVZARO 000XXX1ATO E Hardware Revision E Figure 1 RS 485 Module Labels CMVLC401A Lenze Installation Gus 3 Instal
11. 999 3100 0 Read only Setpoint Command C1071 Network PID 00 999 3100 0 Read only Setpoint Command C1072 Actual PID setpoint 0 0 999 3100 0 Read only C1073 PID Setpoint 00 999 3100 0 Read only Command C1074 Feedback 0 0 999 3100 0 Read only 61080 Keypad Torque 100 0 0 a 400 0 Command C1081 Network Torque 0 0 0 400 0 C1099 Parameter Version Refer to section 8 1 3 C1050 Network Controlled Digital Output To control the state of the relay or digital output TB14 Drive Programming Parameter P140 and or P142 must be set to 25 Network Controlled 61055 Network Controlled Analog Output To control the state of the analog output TB30 Drive Programming Parameter P150 must be set to 09 Network Controlled C1099 Parameter Version The Parameter Version identifies the parameter set for the current version of software If the Parameter version is different between two drives it could indicate that a register has been added or deleted a register s min max limits have changed a register s function has been changed or a register s default value has been changed CMVLC401A 9 1 Lenze Programming Parameters Commissioning 2 1 There is an offset of 1000 between the Drive Programming Parameter numbers the code numbers used in the LECOM messages For example if you want to read Drive Programming Parameter P103 Maximum Frequency o
12. IP REMOTE KEYPAD 3 Setting P420 to 01 02 or 03 Network Watchdog Timer Watchdog Timer The SMV is equipped with a Serial Link Watchdog Timer If the Watchdog Timer is enabled the Master MUST PERIODICALLY COMMUNICATE with the drive or the timer will timeout Watchdog timer setup is performed by using parameters P425 and P426 LECOM codes C1425 and C14296 Watchdog Time out Period P425 The maximum amount of time that should be allowed to pass between network messages to a specific drive will vary from one network to the next Therefore we have made the watchdog time out period user settable via Drive Programming Parameter P425 refer to section 4 2 for details NOTE 1 To prevent erroneous timeout trips make sure the time set in parameter P425 C1425 is appropriate for particular network default value of 50ms might be to restrictive Watchdog Time out Action P426 The appropriate action to be taken when a watchdog time out occurs will also vary from one application to the next Therefore we have provided four user selectable time out actions which can be set via Drive Programming Parameter P426 The selections are 0 No action Watchdog timer is disabled 1 Controller inhibit If the drive doesn t receive valid communication for period longer than the time specified in parameter P425 C1425 it will coast to stop and drive display will show inhibit state Stop n2 Quick Stop If the driv
13. Lenze Communications Interface Reference Guide SMVector RS 485 LECOM Communication Module About these instructions This documentation applies to the RS 485 LECOM communications option for the SMVector inverter and should be used in conjunction with the SMVector Operating Instructions Document 5 01 that shipped with the drive These documents should be read in their entirety as they contain important technical data and describe the installation and operation of the drive and this option WARNING The information in this document is based on RS 485 LECOM Communication Module software version 1 20 If a future revision of software contains differences in the register numbering or register definitions drive operation could be seriously affected If drive parameter P494 does not display 1 20 then writing to any drive register over the network MUST NOT BE ATTEMPTED as it would have the potential for unexpected consequences potentially resulting in damage to the equipment or harm to personnel Future releases of module software require that the appropriate documentation be used for implementation NOTE To use the LECOM option of the RS 485 communication module with the SMVector 0 33 10HP requires standard software version 3 0 or later All SMVector 15HP 11kW and higher models support the LECOM option on the RS 485 communication module mie 2008 Lenze AC Tech Corporation
14. Quick stop or Inhibit Modify the setting of time out time P425 or the reaction to the time out P426 26 CMVLC401A Lenze Lenze AC Tech Corporation 630 Douglas Street e Uxbridge MA 01569 e USA Sales 508 278 9100 Service 508 217 9100 www lenzeamericas com Document CMVLC401A en1
15. SCII hexadecimal format VH H VH1 VH2 VH3 VH4 VH5 VH6 VH7 VH8 e String format VS S vsi VS2 VS3 VS4 VS5 VS6 VS240 e Octet string format for data blocks VO 0 voi VO2 VO3 VO4 VO5 voe VO240 nm CMVLC401A lenze Commissioning The abbreviations have the following meanings VK1 to VK6 Integers Decimal point if required NK1 to NK4 Decimal codes if required H 48hex Character H transfer of parameter values in the ASCII hexadecimal format VH1 to VH8 1 to 8 hexadecimal characters each 0 to 9 A to F S b3hex Character S transfer of parameter values in the string format VS1 to VS240 1 to 12 visible ASCII characters each no control characters 4Fhex Character 0 transfer of parameter values in the octet string format VO to V0240 Data block in hexadecimal code each character corresponds to a nibble of the data block Parameter value in the ASCII decimal format 110 The ASCII decimal format VD is most often used The values consist of the following 1 leading negative sign if required 6 digits before the decimal point VK1 to VK6 1 decimal point if required 4 digits after the decimal point NK1 to if required Values from 214748 3648 to 214748 3647 can be displayed D NOTE In the ASCII decimal format VD the decimal point must not be transmitted if the value does not have dig
16. TICAST refer to 6 4 The controllers communicate by means of the ASCII code 0 1 2 3 4 5 6 7 8 9 0 B C D F 0 NUL SOH STX ETX EOT ENQ ACK BEL BS TAB LF VT FF CR SO SI 1 DLE DC1 DC2 DC3 DC4 SYN ETB CAN EM SUB ESC FS GS RS US 2 space i amp i 3 0 1 2 3 4 5 6 7 8 9 lt gt H 4 A B C D E F G H L M N 0 5 P Q R T U V W X Y Z _ 6 a b C d e f g h i j k m n 0 7 p q r S t u V w X y Z DEL Example EOT O2 ex 2 Character 1 31 49 Controller address AD1 AD2 One or more bus devices slaves can be selected by means of the controller address which is 2 bytes AD1 AD2 long The LECOM A B protocol supports the broadcast telegrams i e a telegram is sent to a group or all other bus devices For this controller addresses are reserved refer to BROADCAST 6 4 Controller addresses have the following structure AD2 The abbreviations have the following meanings AD1 ASCII ten digit of the slave address 0 9 30 20 AD2 ASCII one digit of the slave address 0 9 30 39 lid CMVLC401A 5 3 5 3 1 5 3 2 Le 2 6 Commissioning Code Number C1 C2 Standard Addressing The meaning of the code numbers and the assigned parameters can be obtained from the code table i
17. ailed Module type mismatch 1 7 lnitialization Error Protocol Selection mismatch P400 P403 Module Reset 0 0 NoAction 1 Reset Module parameter values to Returns module parameters 401 499 to default the default values shown in this manual P404 Module Time out 3 0 Ignore e Action to be taken in the event of an Action 1 STOP referto 2111 SPI Time out 2 Quick Stop e SPI Time out is fixed at 200ms 3 Fault tt ott P405 Network Fault 0 0 No Fault Read only see P425 and P426 1 Network Time out E nF P406 Proprietary Module specific Read only i NOTE If this parameter returns a value of 16 the software version in this SMVector drive does not support the LECOM functionality Contact factory technical support P498 Missed Messages Read only Drive to Module P499 Missed Messages Read only Module to Drive CMVLC401A Lenze Commissioning oN 4 2 RS485 LECOM Specific Parameters The parameters listed in Table 6 are only present in the drive if there is RS485 communication module installed P400 7 and the module is online P402 3 Table 6 RS485 LECOM Specific Parameters Code Possible Settings No Name Default Selection IMPORTANT P410 Network address 1 1 99 The values 00 10 20 30 90 must not be used since they are reserved for group addressing see section 6 4 P411 Network 0 0 9600 bps Baud Rate 1 4800 bps 2 2400 bps 3 1200 bps 4 19200 bps P420
18. ances They are intended exclusively for professional and commercial purposes according to EN 61000 3 2 The documentation includes information on compliance with EN 61000 3 2 When installing the drive controllers in machines commissioning i e the starting of operation as directed is prohibited until it is proven that the machine complies with the regulations of the EC Directive 2006 42 EC Machinery Directive EN 60204 must be observed Commissioning i e starting drive as directed is only allowed when there is compliance to the EMC Directive 2004 108 EC The drive controllers meet the requirements of the Low Voltage Directive 2006 95 EC The harmonised standards of the series EN 50178 DIN VDE 0160 apply to the controllers The availability of controllers is restricted according to EN 61800 3 These products can cause radio interference in residential areas In the case of radio interference special measures may be necessary for drive controllers Installation Ensure proper handling and avoid excessive mechanical stress Do not bend any components and do not change any insulation distances during transport or handling Do not touch any electronic components and contacts Controllers contain electrostatically sensitive components which can easily be damaged by inappropriate handling Do not damage or destroy any electrical components since this might endanger your health When installing the drive ensure optimal airflow by observing al
19. command is issued over the LECOM network to Programming Parameter P530 code number 1530 the Terminal and Protection Status data returned can be interpreted as follows 0 TB 13D Input Status 8 TB 13C Input Status 1 reserved 9 TB 14 Output Status 2 Protection Status 10 Relay Output Status E 3 Fast Current Limit Status 2 11 Charge Relay State 4 Input TB 1 Status 12 Assertion Level Switch State 5 5 reserved 8 13 reserved 6 TB 13A Input Status 14 reserved 7 TB 13B Input Status 15 reserved 9 4 Keypad Status P531 When a read command is issued over the LECOM network to Programming Parameter P531 code number 1531 the Keypad Status data returned can be interpreted as follows 0 A UP Push button State 8 A UP Push button State 1 v DOWN Push button State 9 v DOWN Push button State H 2 M MODE Push button State 10 M MODE Push button State T FWD REV Push button State 5 11 FWD REV Push button State 5 5 4 STOP Push button State 12 STOP Push button State 2 5 T START Push button State Su 1 START Push button State 6 em CTRL Push button 14 em CTRL Push button 7 Unused 15 Unused Lenze CMVLC401A 25 Troubleshooting and Fault Elimination 10 Troubleshooting and Fault Elimination 10 1 Faults Table 11 lists the fault
20. controller can respond in three different ways SIX 4 6 3 5 4 ETX BCC Valid request The current value of the parameter C46 is 35 4 Hz or SIX 4 6 ETX BCC Invalid request A check sum fault parity fault occurred during data transmission or SIX 4 6 EOT Invalid request Parameter C46 does not exist in this controller Send Telegram The command SEND is used to transmit data from the master to the slave The master then sends a telegram with the following structure EOT AD1 02 STX C1 c2 Vi 0 Vn ETX BCC The abbreviations have the following meanings EOT 4 End of the previous transmission AD1 AD2 Logic unit address of the slave to be addressed Slaves STX 02 6 Start of text C1 C2 Code number two ASCII characters V1 to Vn Parameter value n ASCII characters ETX 03 End of text BCC Block check character 00 FF In the text section of the telegram which is embedded between the control characters STX and ETX the code number C1 C2 and the corresponding parameter value V1 to Vn are transmitted to the slave Example for a SEND telegram The maximum speed code number C1103 is to be set to the value 95 2 Hz via the bus address 34 at the controller The host must send the following SEND telegram EOT 3 4 SIX 0 1 9 5 2 ETX BCC The cont
21. e doesn t receive valid communication for period longer than the time specified in parameter P425 C1425 it will ramp to stop and drive display will show stop state Stop Trip fault F nF1 If the drive doesn t receive valid communication for period longer than the time specified in parameter P425 C1425 it trips with fault F nF1 WARNING Disabling the watchdog timer may cause injury to personnel and or damage to equipment The watchdog timer should only be disabled during configuration or diagnosis to prevent nuisance timeout trips CMVLC401A Commissioning oN 8 Drive Registers 8 1 Configuration and Control Registers Registers 1 through 1099 are reserved for registers that are only available over the network and cannot be accessed via the drive s local keypad Table 9 Configuration amp Control Registers Code Parameter Name Default Range of Adjustment Important Number C0040 Controller Inhibit 0 0 Controller inhibited The controller can also be enabled 1 Controller enabled with the control word C0135 C0043 Fault Reset 0 0 NoAction The fault can also be reset with 1 Reset Fault the control word C0135 C0046 Frequency Setpoint 0 0 500 0 Hz Read only C0050 Actual Output 0 0 500 0 Hz Read only Frequency C0068 Operating Status Bit Bit Description Read only Word 0 3 10th digit of the LECOM fault number is displayed Example TRIP OH 5 LECOM no 50
22. its after the decimal point Parameter value in ASCII hexadecimal format VH The LECOM A B protocol supports the transmission of hexadecimal parameter values with a length of e 2characters byte value e 4 characters word integer value e 8 characters double word long integer In the ASCII hexadecimal format VH1 is the most significant and VH8 the least significant hexadecimal character Parameter value in the string format VS By means of the string format VS of the protocol it is possible to transmit strings with a maximum of 20 characters in both directions The SMV inverter can only send the string parameters e g C200 CMVLC401A 13 9 5 Commissioning Parameter values in the octet string format VO The LECOM A B protocol includes the octet string format VO with which it is possible to transfer data blocks The character sequence corresponds to the filing in the memory ascending order i e the character transmitted first is the data block nibble with the lowest address The data structure of the data block corresponds to the Intel memory format with the following definition BYTE 1st high nibble 2nd low nibble WORD 1st high BYTE 2nd low BYTE DWORD 1st high WORD 2nd low WORD Block Check Character BCC The block check character BCC is used to store the transmitted data and is generated according to DIN 66219 chapter 3 Because of the program the block check character is genera
23. l clearance distances in the drive s user manual Do not expose the drive to excessive vibration temperature humidity sunlight dust pollutants corrosive chemicals or other hazardous environments Electrical Connection When working on live drive controllers applicable national regulations for the prevention of accidents e g VBG 4 must be observed The electrical installation must be carried out in accordance with the appropriate regulations e g cable cross sections fuses PE connection Additional information can be obtained from the regulatory documentation The regulatory documentation contains information about installation in compliance with EMC shielding grounding filters and cables These notes must also be observed for CE marked controllers The manufacturer of the system or machine is responsible for compliance with the required limit values demanded by EMC legislation Lenze CMVLC401A 1 5 Lenze Operation Systems including controllers must be equipped with additional monitoring and protection devices according to the corresponding standards e g technical equipment regulations for prevention of accidents etc You are allowed to Safety Information adapt the controller to your application as described in the documentation DANGER e After the controller has been disconnected from the supply voltage do not touch the live components and power connection until the capacitors have discharged Please
24. lation 3 1 Mechanical Installation 1 2 3 Ensure that for safety reasons the AC supply has been disconnected before opening the terminal cover Insert the RS 485 option module in the terminal cover and securely click into position as illustrated in Figure 2 Wire the network cables to the connector provided as detailed in paragraphs 3 2 RS 485 Terminal Block and 3 3 Electrical Installation and plug the connector into the option module Align terminal cover for re fitting connect the module umbilical cord to the drive then close the cover and secure as shown in Figure 3 0 5 Nm 4 5 e 2 8 mm mmm ZWEE AWG 7mm NEMA 1 IP31 Models NEMA 4X IP65 Models Figure 2 Installing the RS 485 Communications Module NEMA 1 IP31 Models NEMA 4X IP65 Models Figure 3 Re installing the Terminal Cover CMVLC401A 5 P am lt gt 3 2 3 3 3 3 1 3 3 2 3 3 3 Installation RS 485 Terminal Block For a LECOM network wire the RS 485 connector as detailed in Table 3 Table 3 RS 485 Pin Designation Terminal Description Important RS 485 Connector 1 Earth ground shield For reliable communication make sure terminal is connected to the LECOM network GND common If only two wires are used TXA and TXB in the network connect Terminal 1 to chassis earth ground 2 TXA If controller is located at ei
25. mmissioning 9 2 ID P502 This register returns an index value that is associated with the voltage and power rating of the drive Table 10 lists the drive configuration by Index number Table 10 Drive ID Index Input Voltage Power Rating 8 240 VAC Single Phase 0 33 HP 0 25 kW 12 1 5 HP 1 1 kW 19 Single or Three Phase EHE 14 3 HP 2 2 kW 21 0 5 HP 0 37 kW 23 1 HP 0 75 kW 24 1 5 HP 1 1 kW 25 2 HP 1 5 kW 26 240 VAC 3 HP 2 2 kW 28 Three Phase 5 HP 4 kW 29 7 5 HP 5 5 kW 30 10 HP 7 5 kW 31 15 HP 11 kW 32 20 HP 15 kW 42 0 5 HP 0 37 kW 44 1 HP 0 75 kW 45 1 5 HP 1 1 kW 46 2 HP 1 5 kW 47 3 HP 2 2 kW 49 480 VAC 5 HP 4 kW 50 Three Phase 7 5 HP 5 5 kW 51 10 HP 7 5 kW 52 15 HP 11 kW 53 20 HP 15 kW 54 25 HP 18 5 kW 55 30 HP 22 kW 69 1 HP 0 75 kW 71 2 HP 1 5 kW 72 3 HP 2 2 kW 74 5 HP 4 kW 75 600 VAC 7 5 HP 5 5 kW 76 Three Phase 10 HP 7 5 kW 77 15 HP 11 kW 78 20 HP 15 kW 79 25 HP 18 5 kW 80 30 HP 22 kW 91 0 33 HP 0 25 kW 92 Gee 0 5 HP 0 37 kW 94 1 HP 0 75 kW All unused Index values are reserved for future use 24 CMVLC401A Lenze Commissioning oN 9 3 Terminal and Protection Status P530 When a read
26. n section 9 and the SMV Operating Instructions Manual 5 01 section10 When transmitting data the code number is coded as follows The following calculation determines the two ASCII digits from the code number value range 0 6229 value range 48 127 1 INTEGER REMAINDER code number 790 Y10 48 C2 REMAINDER REMAINDER code number 790 10 INTEGER code number 790 x 10 48 e The INTEGER is the digit before the decimal point the REMAINDER is an integer Example 13 5 2 remainder 3 INTEGER 13 5 2 REMAINDER 13 5 3 Example Convert code number 1002 in ASCII code C1 and C2 Choy INTEGER REMAINDER 1002 790 10 48 INTEGER 212 10 48 21 48 69 45hex E y C2 so REMAINDER REMAINDER 1002 790 10 INTEGER 1002 790 x 10 48 REMAINDER 212 10 1 10 48 2 10 48 60 3C lt ASCII The code number C1002 is converted into the ASCII string E lt if they are transmitted to the controller by a host Addressing via Code Bank With previous LECOM A B drivers only code numbers in the range from 0 to 255 could have been addressed since these drivers used only one byte as code number To achieve the addressing of the wider code number range with these drivers use the code banking The code number range 0 255 is displayed as a window over the whole code number range This is controlled via the code C0249 code bank Code C0249 can always be accessed via number 249 indepe
27. ndent of the currently set code bank Table 7 Code Bank Assignment Code bank Code offset Code number range 0 0 0 255 1 250 250 505 2 500 500 755 3 750 750 1005 4 1000 1000 1255 5 1250 1250 1505 6 1500 1500 1755 7 1750 1750 2005 NOTE Code banking is only active when the standard addressing is being used If the selected code numbers are higher than 255 the code number range increases correspondingly Only the corresponding code number offset is selected by means of the code bank me Example Set the code bank INTEGER 1002 250 4 in 60249 to address the code number 1002 C1002 is then accessed via the code number C02 CMVLC401A 11 5 3 4 5 4 Commissioning Addressing via Input Selection Simple LECOM A B drivers which only use the standard addressing cannot address subcodes The input selection C0248 has been developed to offer the possibility of addressing the subcodes When using the standard addressing the value entered in 60248 is always considered as the subcode The code C0248 can always be accessed via number 248 independent of the currently set code bank and the sub code used Example Enter value 1 in 6024810 address the JOG value 1 in subcode 1 Now subelement 1 is always addressed when accessing C39 D NOTE 1 After a sub element has been accessed through C0248 C0248 should be reset to 0 to avoid
28. observe the corresponding notes on the controller e not continuously cycle input power to the controller more than once every three minutes e Close all protective covers and doors during operation WARNING AN Network control permits automatic starting and stopping of the inverter drive The system design must incorporate adequate protection to prevent personnel from accessing moving equipment while power is applied to the drive system Table 1 Pictographs used in these instructions Pictograph Signal Word Meaning Consequences if Ignored DANGER Warning of Hazardous Electrical Voltage Reference to an imminent danger that may result in death or serious personal injury if the corresponding measures are not taken A WARNING Impending or possible danger for persons Death or injury STOP Possible damage to equipment Damage to drive system or its surroundings NOTE Useful tip If observed it will make using the drive easier CMVLC401A 2 1 2 2 Introduction Introduction This reference guide assumes that the reader has a working knowledge of the LECOM Protocol and familiarity with the programming and operation of motion control equipment This guide is intended as a reference only Module Specifications Table 2 identifies the LECOM serial communication specifications If the specification is fixed non adjustable the value is
29. roller can respond with one of two acknowledgements ACK The command was processed correctly The current value of the parameter C1103 is 95 2 Hz or NAK The request could not be processed correctly The value of parameter C1103 has not been changed CMVLC401A 6 4 Lenze Commissioning oN Broadcast Multicast In a bus network the command BROADCAST is to address all devices or a group of devices multicast at the same time The structure of the BROADCAST telegram is similar to the structure of the SEND telegram The only exception is that it does not return an acknowledgement The devices can be selected via their controller addresses The controller addresses listed in Table 8 are reserved for a BROADCAST telegram Table 8 Controller Addresses for Broadcast Telegram Controller address Controller address ASCII character reserved of groups AD1 AD2 00 all 0 0 10 11 to 19 1 0 20 21 to 29 2 0 30 31 to 39 p 40 41 to 49 4 0 50 511059 5 0 60 61 to 69 6 0 70 71 to 79 7 0 80 811089 8 0 90 91 to 99 g 0 Example for a BROADCAST telegram All controllers are to be stopped when setting controller enable code number C40 0 The host sends the following BROADCAST telegram EOT 0 0 SIX 4 0 0 ETX BCC The controllers do not return an acknowledgement Monitoring
30. s common to the LECOM communications module Table 11 Faults Fault Code Fault Cause Remedy E ott Module to Drive communication time out Connection between drive and Check cable and connection module is not made between module and drive 1 Network Time out Fault Drive under NETWORK contro See parameters P425 P426 have been lost and network communications 10 2 Troubleshooting Table 12 lists some common LECOM communications problems and possible corrective action Table 12 Troubleshooting commands are ignored or return exceptions open or not configured Symptom Possible Cause Remedy No communication Module is not initialized properly Verify the module connection from the drive e Check P400 and P402 Incorrect LECOM settings e Use P403 to reset LECOM parameters e Verify P410 and P411 Improper wiring e Check wiring between the LECOM Network communication module e Ensure that terminal block is properly seated e Check connection between module and drive LECOM write Network Enabled terminal is either Configure one of the input terminals P121 P124 to Network Enabled function selection 9 and close the corresponding contact Network Control Level set to monitor only P420 0 Set P420 1 2 30r 4 Drive stops without obvious reason LECOM message monitoring time out occurred The timeout reaction is set to
31. ted by an XOR link from the following digits of the SEND telegram e it starts with the character directly after the STX control character e it ends directly after the ETX control character BCC can accept the value 00 FF EOT AD1 AD2 STX Ci C2 VI 0 Vn ETX BCC BCC or with expanded addressing STX CH1 CH2 0 SC2 ETX BCC BCC CMVLC401A 6 2 6 3 Lenze Commissioning LECOM Message Details Telegram Response The SMV controller must return an acknowledgement to the host The only exceptions to this are when a broadcast telegram is received or when the controller address is not correct These telegrams do not require an acknowledgement The SMV controller sends two types of acknowledgements e Negative acknowledgement 15hey if a fault e g parity fault was detected in one or more characters including the character ENQ aninvalid command or variable address has been recognized the variable value is not within the permissible range e Otherwise Positive acknowledgement ACK 06 Receive Telegram The command RECEIVE is to request parameter values of the SMV controllers The code numbers of the requested parameter are transmitted via the RECEIVE telegram using the following structure EOT ADi 02 C1 C2 ENQ The abbreviations have the following meanings
32. the addressing of a subelement by accident when accessing another code Extended Addressing Another possibility is the direct addressing of parameters by means of expanded addressing CH1 CH2 CH3 SC1 502 The abbreviations have the following meanings The ASCII character 21 33 shows that the expanded addressing is used CH1 to CH4 Code number in hexadecimal code each character corresponds to a nibble of the code numbers CH1 is the highest CH4 is the lowest nibble SC1 SC2 Subcode number in hexadecimal code each character corresponds to a nibble of the code number word SC1 is the highest and SC2 the lowest nibble The following characters can be displayed in the ASCII code ASCII 0 1 2 3 4 5 6 7 8 9 A B Dec 48 49 50 51 52 53 54 55 56 57 65 66 67 68 69 70 Hex 30 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46 Acode number range from 0 to 65535 can be addressed by means of these characters A maximum of 255 subelements field elements can be accessed via one subcode number of each code Example 1002 03EA00 Parameter Value V1 to Vn Parameter values can be transmitted in four different formats with the following structures ASCII decimal format VD V2 VK3 VK4 VK5 VK6 NK1 NK2 NK3 NK4 e A
33. ther end of the network 3 No connection a terminating resistor 1200hm typical should be 4 TXB connected across TXA and TXB 5 No connection Protection against contact All terminals have basic isolation single insulating distance e Protection against contact can only be ensured by additional measures i e double insulation Electrical Installation Cable Types For RS 485 LECOM B networks use a quality shielded twisted pair cable The use of low quality cable will result in excess signal attenuation and data loss Network Limitations There are several limiting factors that must be taken into consideration when building an RS 485 LECOM network e LECOM B networks are limited to 31 devices w o repeaters 90 w repeaters e Topology Without repeaters line with repeaters line or tree e Maximum total network length is 1200 m depending on the baud rate and cable used e Minimum of 1 meter of cable between nodes Connections and Shielding To ensure good system noise immunity all networks cables should be correctly grounded e Minimum grounding recommendation ground the network cable once in every cubical e ideal grounding recommendation ground the network cable on or as near to each drive as possible e For wiring of cable to the connector plug the unscreened cable cores should be kept as short as possible recommended maximum of 20mm The shield connection of terminal 1 should also be wired to earth PE
34. ver the LECOM network you would read code number 1103 Fault History P500 Value Display Fault Message 0 No Fault 1 TMP Output Fault 2 Output Transistor Fault 3 E DEI Ground Fault 4 E HE High Drive Temperature 5 F rF Flying Start Fault 6 E HE High DC Bus Voltage 7 F LF Lo DC Bus Voltage 8 E DE Motor Thermal Overload 9 ELE Fault 10 iL egal Setup 11 F_dbF Dynamic Brake Over Temperature 12 E GE Single Phase Fault 13 F_EF External Fault 14 F_CF Control Fault 15 E UE Start Error Power loss 16 F_cF Incompatibility Fault 17 FEI Internal Fault 1 EPM 18 F Fg Internal Fault 2 19 EE Internal Fault 3 20 EF Ep Internal Fault 5 stack overflow 21 F F5 Internal Fault 5 stack underflow 22 F FB Internal Fault 6 23 FEI Internal Fault 7 24 FER Internal Fault 8 25 FE Internal Fault 9 26 F bF Personality Fault 27 F_F 12 Internal Fault AD Offset 28 F_JF Internal Fault Remote Keypad Lost 29 E H Assertion Level switched during Operation Fault 30 E Eu Internal Fault 4 FGD Missing 31 Internal Fault 0 PW Missing 32 F_Fot Follower Lost 33 F F11 150 Comm Fault 34 F ntF Internal Fault Module Communication SPI Timeout 35 F Fnr Internal Fault FNR Invalid Message Received 36 E ot Network Time out CMVLC401A 23 ON Co
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