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SMVector RS-485 LECOM Communication Module

Communications Interface Reference Guide

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Summary of Contents for SMVector RS-485 LECOM Communication Module

Page 1: ...SMVector RS 485 LECOM Communication Module Communications Interface Reference Guide ...

Page 2: ...ial 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 ...

Page 3: ...Bank 11 5 3 3 Addressing via Input Selection 12 5 3 4 Extended Addressing 12 5 4 Parameter Value V1 to Vn 12 5 5 Block Check Character BCC 14 6 LECOM Message Details 15 6 1 Telegram Response 15 6 2 Receive Telegram 15 6 3 Receive Telegram Response 15 6 4 Send Telegram 16 6 4 Broadcast Multicast 17 7 Commissioning 18 7 1 Drive Monitoring 18 7 2 Drive Programming and Control 18 7 3 Network Watchdog ...

Page 4: ...ive 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 c...

Page 5: ...troller more than once every three minutes Close all protective covers and doors during operation WARNING 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 ...

Page 6: ...its Fixed 7 Parity Stop Bits Fixed Even 1 Typical communications between master and slave would be Write commands from Master Run command Frequency Reference Modification of Drive operating parameters Requests from Master Reporting of drive status Fault status and fault history 2 2 Module Identification Label Figure 1 illustrates the labels on the SMV RS 485 communications module The SMVector RS 4...

Page 7: ...o 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 4 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 7mm _ 2 8 mm2 12 22 AWG 0 5 Nm 4 5 lb in 1 2 3 4 5 NEMA 1 IP31 Models NEMA 4X IP65 Models Figure 2 Installi...

Page 8: ...d twisted pair cable The use of low quality cable will result in excess signal attenuation and data loss 3 3 2 Network Limitations There are several limiting factors that must be taken into consideration when building an RS 485 LECOM network LECOM B networks are limited to 31 devices w o repeaters 90 w repeaters Topology Without repeaters line with repeaters line or tree Maximum total network leng...

Page 9: ...resistors 120W 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 120W 1 4W resistor can be connected as shown in Figure 5 20mm max Connect to drive earth PE 1 2 3 4 5 120Ω 1 4W Figure 5 Network Termination Resistor ...

Page 10: ...ule are working properly 4 Failed Initialization Error 5 Time out Error 6 Initialization Failed Module type mismatch 0 7 Initialization Error Protocol Selection mismatch 0 P403 Module Reset 0 0 No Action 1 Reset Module parameter values to default Returns module parameters 401 499 to the default values shown in this manual P404 Module Time out Action 3 0 Ignore Action to be taken in the event of an...

Page 11: ...int control using code number C0046 or C1061 P420 3 4 drive control using code numbers C0040 and or C0135 P420 4 setting C0140 0 results in Quick Stop Stop commands QUICK STOP INHIBIT will always be accepted 1 Parameter Programming 2 Programming and Setpoint Control 3 Full Control 4 Full Control Special P424 Network Powerup Start Status 0 0 Quick Stop 1 Controller Inhibit P425 Network Message time...

Page 12: ...ETX EOT ENQ ACK BEL BS TAB LF VT FF CR SO SI 1 DLE DC1 DC2 DC3 DC4 NAK SYN ETB CAN EM SUB ESC FS GS RS US 2 space 3 0 1 2 3 4 5 6 7 8 9 4 A B C D E F G H I J K L M N O 5 P Q R S T U V W X Y Z _ 6 a b c d e f g h i j k I m n o 7 p q r s t u v w x y z I DEL Example EOT 02hex 2dec Character 1 31hex 49dec 5 2 Controller address AD1 AD2 One or more bus devices slaves can be selected by means of the con...

Page 13: ...nverted into the ASCII string E if they are transmitted to the controller by a host 5 3 2 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 ...

Page 14: ...gs The ASCII character 21hex 33dec 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 ...

Page 15: ...ng 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 NK4 if required Values from 214748 3648 to 214748 3647 can be displayed NOTE In the ASCII decimal format VD the decimal point must not be transmitted if the value does not have digits after the decimal point Parameter value in ASCII hexadecimal for...

Page 16: ...ing definition BYTE 1st high nibble 2nd low nibble WORD 1st high BYTE 2nd low BYTE DWORD 1st high WORD 2nd low WORD 5 5 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 generated by an XOR link from the following digits of the SEND telegram it starts wi...

Page 17: ...owing meanings EOT 04hex 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 05hex Station request 6 3 Receive Telegram Response The SMV controller addressed via a RECEIVE telegram generates one of the following responses The controller could decode the request and is now sending the reque...

Page 18: ...eanings EOT 04hex End of the previous transmission AD1 AD2 Logic unit address of the slave to be addressed Slaves STX 02hex Start of text C1 C2 Code number two ASCII characters V1 to Vn Parameter value n ASCII characters ETX 03hex End of text BCC Block check character 00 FFhex In the text section of the telegram which is embedded between the control characters STX and ETX the code number C1 C2 and...

Page 19: ...or 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 STX 4 0 0 ETX BCC The controllers do not return an acknowledgement Monitoring 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...

Page 20: ...de the watchdog time out period user settable via Drive Programming Parameter P425 refer to section 4 2 for details NOTE 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 7 3 3 Watchdog Time out Action P426 The appropriate action to be taken when a watchdog time out occurs will also ...

Page 21: ...t with the control word C0135 C0046 Frequency Setpoint 0 0 500 0 Hz Read only C0050 Actual Output Frequency 0 0 500 0 Hz Read only C0068 Operating Status Bit Word Bit Description Read only 0 3 The 10th digit of the LECOM fault number is displayed Example TRIP OH 5 LECOM no 50 4 7 Last communication error 0 No fault 1 Check sum error 2 Protocol frame error 3 Reserved 4 Invalid code number 5 Invalid...

Page 22: ...active 3 JOG3 C0039 active 2 Rotation command 0 CW 1 CCW 3 Quick Stop 0 QSP not active 1 QSP active 4 8 Reserved 9 Controller inhibit 0 No controller inhibit 1 Controller inhibit 10 Reserved 11 Trip fault reset 0 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 Command 0 0 Hz 0 0 50...

Page 23: ...imit reached 3 Reserved 4 Setpoint Frequency reached 5 Actual frequency above threshold C17 6 Actual frequency 0Hz 7 Controller inhibit 0 No controller inhibit 1 Controller inhibit 8 11 Controller status 0 No error 1 Error 12 Overtemperature fault 13 DC Bus overvoltage 14 Direction of rotation 0 CW 1 CCW 15 Read for operation 0 fault not ready for operation 1 no fault ready for operation LECOM For...

Page 24: ... setpoint 0 0 99 9 3100 0 Read only C1073 PID Setpoint Command 0 0 99 9 3100 0 Read only C1074 PID Feedback 0 0 99 9 3100 0 Read only C1080 Keypad Torque Command 100 0 0 400 0 C1081 Network Torque Command 0 0 0 400 0 C1099 Parameter Version Refer to section 8 1 3 8 1 1 C1050 Network Controlled Digital Output To control the state of the relay or digital output TB14 Drive Programming Parameter P140 ...

Page 25: ...ynamic Brake Over Temperature 12 F SF Single Phase Fault 13 F EF External Fault 14 F CF Control Fault 15 F UF Start Error Power loss 16 F cF Incompatibility Fault 17 F F1 Internal Fault 1 EPM 18 F F2 Internal Fault 2 19 F F3 Internal Fault 3 20 F F5 Internal Fault 5 stack overflow 21 F F5 Internal Fault 5 stack underflow 22 F F6 Internal Fault 6 23 F F7 Internal Fault 7 24 F F8 Internal Fault 8 25...

Page 26: ... HP 1 1 kW 25 2 HP 1 5 kW 26 3 HP 2 2 kW 28 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 42 480 VAC Three Phase 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 5 HP 4 kW 50 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 69 600 VAC Three Phase 1 HP 0 75 kW 71 2 HP 1 5 kW 72 3 HP 2 2 kW 74 5 HP ...

Page 27: ...served 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 Data Low Byte LOCAL Drive Keypad 0 UP Push button State Data High Byte REMOTE Keypad 8 UP Push button State 1 DOWN Push button State 9 DOWN ...

Page 28: ...n from the drive Module is not initialized properly Verify the module connection Check P400 and P402 Incorrect LECOM settings Use P403 to reset LECOM parameters Verify P410 and P411 Improper wiring Check wiring between the LECOM Network and communication module Ensure that terminal block is properly seated Check connection between module and drive LECOM write commands are ignored or return excepti...

Page 29: ...Lenze AC Tech Corporation 630 Douglas Street Uxbridge MA 01569 USA Sales 508 278 9100 Service 508 217 9100 www lenzeamericas com Document CMVLC401A en1 ...

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