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Modbus Agile

02/2011

14

RS485 and RS232 Interfaces

In some sections – as an alternative to control via the operator panel – settings and display possibili-

ties are described with the help of the VPlus PC-Software. Here, VPlus communicates with the fre-
quency inverter via the X21-Connection or via an optional CM-232 or CM-485 Communication Module.
If the serial interface of an optional CM-232 or CM-485 Communication Module is connected to a PLC,

then simultaneous access to the frequency inverter from the VPlus PC-Software is no longer possible.

In this case the connection to the PC can be made via USB with the help of an optional interface

adapter on the X21-Connection.

Warning!

Via the Modbus-Communication, a control unit can access all of the frequency inverter

parameters.
The changing of parameters, whose meaning is not known to the user, can lead to the

malfunctioning of the frequency inverter and to dangerous situations in the plant.

Caution!

If values are to be written regularly with a high repetition rate, then no entry may be

made to the EEPROM, as it only has a limited number of admissible write cycles (approx.

1 million cycles). If the number of allowed write cycles is exceeded then the EEPROM will

be damaged. See Chapter 8 "Handling of Data Sets / Cyclic Writing".

RS485-Connection

Frequency inverters can be connected to a bus system using CM-485 Communication Modules. The
bus structure is linear and implemented as a 2-wire line. Up to 247 frequency inverters can be ad-

dressed and polled from a bus master via Modbus.
The frequency inverters can be parameterized and controlled via the bus system. During operation

data can be requested and set from a PC or PLC.
RS232-Connection

The RS232-Connection allows a point to point connection between the participants.

5.1

X21-Connection

The X21-Connection with the RJ45-Connector enables the connection to the RS485 interface of a PLC.

With an optional USB-Adapter the USB-Interface of a PC can be connected to the X21 Interface. This
enables parameterization and monitoring using the VPlus PC-Software.

X21 (RJ45)

VPlus

USB

RJ45

Adapter

X21 (RJ45)

PLC

RJ45

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Summary of Contents for Agile

Page 1: ...Agile Modbus Communication manual Frequency inverter 230V 400V ...

Page 2: ......

Page 3: ...ducts 10 2 7 Maintenance and Service 10 2 8 Disposal 10 3 COMMUNICATION OPTIONS 11 4 INSTALLATION OF AN OPTIONAL COMMUNICATION MODULE 12 4 1 Assembly 12 4 2 Disassembly 12 5 RS485 AND RS232 INTERFACES 13 5 1 X21 Connection 14 5 2 Communication Modules 15 5 2 1 Installation Notes 15 5 2 2 Pin Assignment 16 5 2 3 RS485 Bus Termination 17 5 3 Commissioning via the Operator Panel 19 5 3 1 Menu for set...

Page 4: ...n Modes 37 7 4 Time Monitoring Function 42 8 HANDLING OF DATA SETS CYCLIC WRITING 43 9 MODBUS MESSAGE EXAMPLES 45 9 1 Modbus RTU Message Examples 45 9 1 1 16 Bit Parameter access 45 9 1 2 32 Bit Zugriff 48 9 1 3 Function Code 8 Diagnostics 52 9 2 Modbus ASCII Message Examples 53 9 2 1 16 Bit access 53 9 2 2 32 Bit access 56 9 2 3 Function Code 8 Diagnostics 60 9 3 ASCII Table 0x00 0x7F 61 10 CONTR...

Page 5: ...Modbus Agile 5 02 2011 13 2 Warning Messages Application 76 13 3 Error Messages 76 INDEX 77 ...

Page 6: ...on can be requested from the local BONFIGLIOLI representa tive The following instruction manuals are available for the Agile device series Agile Operating Instructions Frequency inverter functionality Agile Quick Start Guide Installation und commissioning Supplied with the device Communication Application Manuals Communication via the RS485 Interface on the X21 Connection RJ45 Instructions for Mod...

Page 7: ... kind of liability for damage injuries or expenditure to be put down to the aforementioned reasons 1 2 Used Pictograms and Signal Words The following pictograms and signal words are used in the documentation Danger Danger refers to an immediate threat Non compliance with the precaution described will result in death serious injury or material damage Warning Warning refers to a possible threat Non ...

Page 8: ... access to the device 2 2 Purpose of the Frequency Inverters Warning The frequency inverters are electrical drive components intended for installation in indus trial plants or machines Commissioning and start of operation is not allowed until it has been verified that the machine meets the requirements of the EC Machinery Directive 2006 42 EEC and EN 60204 In accordance with the CE marking require...

Page 9: ...ion Separate completely isolate the installation from all possible sources of electrical power Fix protect against reconnection Reconnection must be carried out by suitably qualified persons Verify there is no electrical power Verify that there is no voltage against earth on the plant com ponent by measuring with measurement device or voltage tester Ground and connect in a short circuit Connect ea...

Page 10: ...ntion Directives etc No connection work may be performed while the system is in operation 2 6 1 Using external products Please note that Bonfiglioli Vectron does not take any responsibility for the compatibility of external products e g motors cables filters etc To ensure the best system compatibility Bonfiglioli Vectron offers components which simplify commis sioning and provide the best tuning w...

Page 11: ...s for Systembus or CANopen Control terminals for CAN Connection Instructions for Systembus or CANopen 1 X21 Communication Interface2 Instructions for VABus or Modbus 1 The CANopen Communication products fulfill the specifications of the CiA CAN in Automation user organi zation 2 Install an interface adapter for connection to a PC This enables parameterization und monitoring via the VPlus PC Softwa...

Page 12: ... not touch the PCB visible on the back of the module otherwise components may be damaged Remove the cover of the module slot 1 Attach the PE spring 1 using the screw provided on the frequency inverter 2 3 Insert the communication module 2 Screw the communication module 2 onto the fre quency inverter with the screw provided 3 Break off the pre punched cut out from the cover Replace the cover 4 2 Di...

Page 13: ...us communication is possible either via the RJ45 Connector of the X21 Connection or via an optional Communication Module Simultaneous Modbus communication via the X21 Connection and an optional Communication Module is not possible Simultaneous VABus communication is possible via the X21 Connection and an optional Communica tion Module Possible Combinations of VABus with Modbus Communication Module...

Page 14: ... values are to be written regularly with a high repetition rate then no entry may be made to the EEPROM as it only has a limited number of admissible write cycles approx 1 million cycles If the number of allowed write cycles is exceeded then the EEPROM will be damaged See Chapter 8 Handling of Data Sets Cyclic Writing RS485 Connection Frequency inverters can be connected to a bus system using CM 4...

Page 15: ...te The set baud rate applies to the CM 232 and CM 485 communication modules Work Steps Mount the CM 232 CM 485 Communication Module onto the frequency inverter For the CM 232 Communication Module Connect the CM 232 and PC with an RS232 Cable For the CM 485 Communication Module Connect the CM 485 with a RS485 Cable to the RS485 RS232 Interface Adapter Connect the RS232 Connection of the Interface A...

Page 16: ... 7 n c 8 n c 9 n c n c not connected 5 2 2 2 RS485 Communication Module CM 485 DB9 S1 X310 ON The RS232 Interface is connected to a PC or a controller via the 9 pin D Sub socket X310 For details on the pin assignment refer to the following table Bus Connector X310 CM 485 9 pin D Sub Pin Name Function Housing Shield connected with PE 1 Data Line B short circuit proof and functionally insulated max ...

Page 17: ...sive bus termination connection of a termination resistor is required at the physically first and last client It can be activated by the CM 485 and CM 485T DIP Switch S1 By default the bus termination is set to OFF It is important to implement a correct termination Otherwise no communication is possible via the RS485 Interface As an alternative the active bus termination is possible via a correspo...

Page 18: ...1 18 RS485 and RS232 Interfaces Example of wiring with different CM 485 modules M Master i e PC Termination ON 1 Inverter 1 CM 485 DB9 9 pin D Sub Termination OFF 2 Inverter 2 CM 485T 7 pin terminal socket Termination ON ...

Page 19: ... communication interface can be set up in the Setup menu of the Operator Panel Further commu nication parameters can be set in the Para menu 5 3 1 Menu for setting up the Communication The communication interface can be set up quickly and simple via the Operator Panel ...

Page 20: ... the arrow keys CANopen Profibus1 Systembus Modbus VABus ENT 5 3 3 Set the Communication Parameters Parameter Display 1376 Modbus Address Node ID 1504 Modbus Baud Rate 1503 Modbus Mode RTU or ASCII 1375 Modbus Parity 395 Interface Setting Protocol CM X21 Select Modbus for the X21 Service Interface Or Set an optional Communication Module CM 232 or CM 485 for Modbus 1 The selection is only possible ...

Page 21: ...X21 VABus The slot for an optional Communication Module and the X21 Connection RJ45 are set to the VABus communication protocol Factory setting 1 CM VABus X21 Modbus The slot for an optional Communication Module is set to the VABus communication protocol The X21 Connection RJ45 is set to the Modbus communication protocol 2 CM Modbus X21 VABus The slot for an optional Communication Module is set to...

Page 22: ...ion max Line Length1 1 2400 Baud Transfer rate 2400 Baud 30 m 2 4800 Baud Transfer rate 4800 Baud 30 m 3 9600 Baud Transfer rate 9600 Baud 30 m 4 19200 Baud Transfer rate 19200 Baud 30 m 5 57600 Baud Transfer rate 57600 Baud 10 m 6 115200 Baud Transfer rate 115200 Baud 10 m 7 230400 Baud Transfer rate 230400 Baud 10 m Caution Changes are effective immediately and without a restart of the frequency...

Page 23: ...es For details on addressing see Chapter 7 1 Address Representation 1505 Modbus Watchdog Timer The communication can be monitored If the communication fails then no data or incorrect data will be transferred This state will be detected by the Communication Watchdog The Watchdog Function monitors the time within which no correct communication occurs This time can be set with Parameter Modbus Watchd...

Page 24: ... addressed simultaneously Address 0 is also referred to as the Broadcast Address 7 2 Message Structure A MODBUS message is made up of the following fields Address Function Code Data CRC or LRC The Address field contains the slave address in the Modbus message Valid slave node addresses are in the range of 0 247 decimal The individual slave devices are assigned addresses in the range of 1 247 A mas...

Page 25: ...function codes are defined Function Code 3 Read two 16 bit 32 Bit wide data Read Holding Register Function Code 16 Write two 16 bit 32 Bit wide data Preset Multiple Register Function Code 100 Read ONE 32 bit wide data Function Code 101 Read ONE 32 bit wide data Note The Modbus specification doesn t specify the handling of 32 bit values The implemented han dlings and function codes to access 32 Bit...

Page 26: ...Start Address Data Set Para No 2 Bytes 0x0000 0x963F No of Registers 2 Bytes 0x0002 CRC or LRC Endframe Response 32 Bit parameter read Start Frame RTU oder ASCII mode Address 1 Byte 1 0xF7 247 Function Code 1 Byte 0x03 No of Bytes 1 Byte 0x04 Register Value Parameter Value 4 Bytes 0 0xFFFFFFFF CRC or LRC Endframe Exception Response Start Frame RTU oder ASCII mode Address 1 Byte 1 0xF7 247 Error Co...

Page 27: ...nding on the number of decimal places the values are multiplied by 10 100 or 1000 Example A current value of 10 3A is transmitted The numerical value actually transmitted is 103 which corres ponds to 0x67 in HEX format Exception Code The following exception codes can occur 2 ILLEGAL DATA ADDRESS No of Registers field not equal to 1 Parameter unknown 3 ILLEGAL DATA VALUE No of bytes in the data fie...

Page 28: ...47 Error Code 1 Byte 0x86 Exception Code 1 Byte 2 3 or 4 CRC or LRC Endframe Start Address This field is used to store the parameter number and data set number The parameter number ranges from 0 1599 and is stored in the lower 12 bits the data set number ranges from 0 9 and is stored in the upper 4 bits e g Parameter 372 hex 0x174 data set 2 hex 0x2 is stored as hex 0x2174 Start Address Data Set P...

Page 29: ...963F No of Registers 2 Bytes 0x0001 No of Bytes 1 Byte 0x02 Register Value Parameter Value 2 Bytes 0 0xFFFF CRC or LRC Endframe Response Start Frame RTU oder ASCII mode Address 1 Byte 1 0xF7 247 Function Code 1 Byte 0x10 Start Address Data Set Para No 2 Bytes 0x0000 0x963F No of Registers 2 Bytes 0x0001 CRC or LRC Endframe Exception Response Start Frame RTU oder ASCII mode Address 1 Byte 1 0xF7 24...

Page 30: ...xception Codes Example of a Modbus ASCII telegram see chapter 9 2 1 3 Example of a Modbus RTU telegram see chapter 9 1 1 3 7 3 4 Function Code 16 Write 32 Bit Parameter Function code 16 can be used to to write the value of 16 Bit parameter in the inverter Request 32 Bit parameter write Start Frame RTU oder ASCII mode Address 1 Byte 1 0xF7 247 Function Code 1 Byte 0x10 Start Address Data Set Para N...

Page 31: ...A frequency value of 123 45 Hz is to be transmitted The numerical value actually transmitted is 12345 which corresponds to 0x3039 in HEX format Exception Code The following exception codes can occur 2 ILLEGAL DATA ADDRESS Parameter unknown 3 ILLEGAL DATA VALUE No of bytes in the data field too small or too large 4 SLAVE DEVICE FAILURE Error on writing the parameter Exception Codes are described in...

Page 32: ... 0 0 Bin 2 1 7 4 No of Registers This field is used to store the 32 bit parameter value Note Parameter Values with decimal places are transferred without the decimal point Depending on the number of decimal places the values are multiplied by 10 100 or 1000 Example A frequency value of 100 25 Hz is to be transmitted The numerical value actually transmitted is 10025 which corresponds to 0x2729 in H...

Page 33: ...me Start Address This field is used to store the parameter number and data set number The parameter number ranges from 0 1599 and is stored in the lower 12 bits the data set number ranges from 0 9 and is stored in the upper 4 bits e g Parameter 372 hex 0x174 data set 2 hex 0x2 is stored as hex 0x2174 Start Address Data Set Parameter number Bits 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 For the above e...

Page 34: ... Function Name Description 0x0A Clear all counters Sets all counters to zero 0x0B Return Bus Message Count No of valid messages received with all addresses 0x0C Return Bus Communication Error Count No of messages with CRC or Parity Framing Overrun error 0x0D Return Bus Exception Error Count No of Exception Responses sent 0x0E Return Slave Message Count No of messages received with slave address 0x...

Page 35: ...b function 2 Bytes 0x000B 0x0012 Data 2 Bytes 0x0000 CRC or LRC Endframe Response Start Frame RTU oder ASCII mode Address Function Code 1 Byte 0x08 Sub function 2 Bytes 0x000B 0x0012 Data 2 Bytes 0 0xFFFF CRC or LRC Endframe Exception Response Start Frame RTU oder ASCII mode Address Error Code 1 Byte 0x88 Exception Code 1 Byte 1 3 or 4 CRC or LRC Endframe Data This field is always set to 0x0000 in...

Page 36: ...icant bit MSB of 0 their values are all below 0x80 hexadecimal In an exception response the inverter sets the MSB of the function code to 1 This makes the function code value in an exception response exactly 0x80 hexadecimal higher than the value would be for a normal response With the function code s MSB set the master can recognize the exception response and can examine the data field for the ex...

Page 37: ...ted serially on the line They determine how infor mation is packed into the message fields and decoded The transmission mode and serial port parameters must be the same for all devices on a MODBUS Serial Line The transmission mode for the Modbus Communication can be selected via Parameter Modbus Mode 1503 See Chapter 6 Modbus 7 3 10 1 RTU Transmission When devices communicate on a MODBUS serial li...

Page 38: ...16 bit value implemented as two 8 bit bytes The CRC field is appended to the message as the last field in the message It is appended in the se quence low order byte high order byte The CRC high order byte is the last byte to be sent in the message The CRC value is calculated by the sending device which appends the CRC to the message The re ceiving device recalculates a CRC during receipt of the me...

Page 39: ...ExOR CRC 1000 0100 1111 1110 7 shift right 0100 0010 0111 1111 0 no ExOR 8 shift right 0010 0001 0011 1111 1 ExOR 0xA001 1010 0000 0000 0001 ExOR CRC 1000 0001 0011 1110 2 char 0000 0000 0000 0111 0x07 ExOR CRC 1000 0001 0011 1001 1 shift right 0100 0000 1001 1100 1 ExOR 0xA001 1010 0000 0000 0001 ExOR CRC 1110 0000 1001 1101 2 shift right 0111 0000 0100 1110 1 ExOR 0xA001 1010 0000 0000 0001 ExOR...

Page 40: ... 4673 0x1241 CRC Low Byte 0x41 CRC High Byte 0x12 The Modbus CRC sequence is CRC Low Byte High Byte 0x41 0x12 7 3 10 2 ASCII Transmission When devices are setup to communicate on a MODBUS serial line using 7 bit ASCII American Stan dard Code for Information Interchange mode each 8 bit character in a message is sent as two ASCII characters This mode is used when the physical communication link or t...

Page 41: ...acter until it detects the End of Frame EoF character Intervals of up to one second may elapse between characters within the message Unless the user has configured a longer timeout an interval greater than 1 second means an error has occurred A typical message frame is shown below SoF Address Function Data LRC EoF 1 char 2 chars 2 chars 0 up to 2 252 chars 2 chars 2 chars CR LF 7 3 10 2 3 LRC Chec...

Page 42: ...verter has been completed or the timeout time has expired After a frequency inverter has sent a message a waiting time of 2 ms must be kept This time is needed by the frequency inverter in order to switch off the RS485 transmitter The bus master may not send a new message until this time has elapsed Attention If the degree of utilization of the CPU is high 90 the response time can be more than 500...

Page 43: ...an be sent Regardless of the signal status of the error register reading access read requests is still possible The values are entered into the EEPROM automatically on the controller If values are to be written cyclically with a high repetition rate there must be no entry into the EEPROM as it only has a limited number of admissible writing cycles about 1 million cycles Caution If the number of ad...

Page 44: ...Modbus Agile 02 2011 44 Handling of Data Sets Cyclic Writing ...

Page 45: ...esponse Frequency Inverter Master Field Addr Func No Bytes Par Value CRC Hex 01 03 02 05 6E 3A F8 The hexadecimal value sent is 0x056E 1390 Parameter Rated Speed 372 has no decimal places Therefore the rated speed is 1390 min 1 Example 2 Reading parameter Rated Speed 372 0x0174 in data set 0 from the frequency inverter with address 1 and No of Regs field set to 2 invalid value Request Master Frequ...

Page 46: ... Addr Funk DSatz Par Nr Par Wert CRC Hex 03 06 41 78 00 0F 5C 09 Response Frequency Inverter Master Field Addr Func DSet Par No Par Value CRC Hex 03 06 41 78 00 0F 5C 09 The response is an echo of the request message Example 2 Writing out of range value 0 to parameter 376 0x0178 in data set 2 to the frequency inverter with address 3 Request Master Frequency Inverter Field Addr Func DSet Par No Par...

Page 47: ...RC Hex 01 10 41 78 00 01 02 00 0F BD 28 Response Frequency Inverter Master Field Addr Func DSet Par No No of registers CRC Hex 01 10 41 78 00 01 95 EC The response contains the no of registers written Example 2 Writing out of range value 0 to parameter Rated Mech Power 376 0x0178 in data set 2 to the fre quency inverter with address 1 Request Master Frequency Inverter Field Addr Func DSatz Par Nr ...

Page 48: ...Par Value CRC Hex 01 03 04 00 00 03 E8 FA 8D The hexadecimal value sent is 0x03E8 1000 Parameter Fixed Frequency 481 has two decimal places Therefore the frequency is 10 00 Hz Example 2 Reading parameter Fixed Frequency 2 481 0x01E1 in data set 0 from the frequency inverter with address 1 and No of Regs field set to 1 invalid value Request Master Frequency Inverter Field Addr Func DSet Par No No o...

Page 49: ...ter Field Addr Func DSet Par No No Registers CRC Hex 01 10 91 E2 00 02 CD 02 The response contains the no of registers written Example 2 Writing parameter Fixed Frequency 3 482 0x01E2 in data set 9 RAM for data set4 to the fre quency inverter with address 1 The frequency is to be set to the invalid value 2000 00 Hz Parameter Fixed Frequency 3 482 has two decimal places Therefore the value to be se...

Page 50: ...alue CRC Hex 01 64 00 00 03 E8 70 BC The hexadecimal value sent is 0x000003E8 1000 Parameter Fixed Frequency 2 481 has two de cimal places Therefore fixed frequency 2 10 00 Hz Example 2 Reading unknown parameter 1600 0x0640 in data set 2 from the frequency inverter with address 1 Request Master Frequency Inverter Field Addr Func DSet Par No CRC Hex 01 64 26 40 5B 97 Error Response Frequency Invert...

Page 51: ...6 C5 Response Frequency Inverter Master Field Addr Func DSet Par No Par Value CRC Hex 01 65 21 77 00 00 03 E8 46 C5 The response is an echo of the request message Example 2 Writing out of range value 9 00 Hz to parameter 375 in data set 2 of the frequency inverter with ad dress 1 Parameter Rated Frequency 375 has 2 decimal places The value to be sent is 900 0x0384 Request Master Frequency Inverter...

Page 52: ...ve Message Count Sub function 0x0E from the frequency inverter with address 1 Request Master Frequency Inverter Field Addr Func Sub function Data CRC Hex 01 08 00 0E 00 00 81 C8 Response Frequency Inverter Master Field Addr Func Sub function Data CRC Hex 01 08 00 0E 00 01 40 08 The counter value is 1 as this is the 1st message received after setting all counters to zero Example 2 Reading unknown D...

Page 53: ...2 0 5 6 E 8 7 CR LF Hex 3A 30 31 30 33 30 32 30 35 36 45 38 37 0D 0A The hexadecimal value sent is 0x056E 1390 Parameter Rated Speed 372 has no decimal places Therefore the rated speed is 1390 min 1 Example 2 Reading parameter Rated Speed 372 0x0174 in data set 0 from the frequency inverter with address 1 and No of Regs field set to 2 invalid value Field SoF Addr Fct Code DSet Par No No of Regs LR...

Page 54: ...cy Inverter Master Field SoF Addr Fct Code DSet Par No Para Value LRC EoF ASC 0 3 0 6 4 1 7 8 0 0 0 F 2 F CR LF Hex 3A 30 33 30 36 34 31 37 38 30 30 30 46 32 46 0D 0A The response is an echo of the request message Example 2 Writing out of range value 0 to parameter Rated Mech Power 376 0x0178 in data set 2 of the fre quency inverter with address 3 Request Master Frequency Inverter Field SoF Addr F...

Page 55: ...nse Frequency Inverter Master Field SoF Addr Fct Co de DSet Par No Para Value LRC EoF ASC 0 1 1 0 4 1 7 8 0 0 0 F 3 5 CR LF Hex 3A 30 31 31 30 34 31 37 38 30 30 30 46 33 35 0D 0A Example 2 Writing out of range value 0 to parameter Rated Mech Power 376 0x0178 in data set 2 of the fre quency inverter with address 3 Request Master Frequency Inverter Field SoF Addr Fct Co de DSet Par No No Registers N...

Page 56: ... 30 31 31 30 30 34 30 30 30 30 30 33 45 38 30 33 0D 0A The hexadecimal value sent is 0x03E8 1000 Parameter Fixed Frequency 481 has two decimal places Therefore the frequency is 10 00 Hz Example 2 Reading parameter Fixed Frequency 2 481 0x01E1 in data set 0 from the frequency inverter with address 1 and No of Regs field set to 1 invalid value Request Master Frequency Inverter Feld SoF Addr Fct Code...

Page 57: ...No Registers LRC EoF ASC 0 1 1 0 9 1 E 2 0 0 0 2 7 A CR LF Hex 3A 30 31 31 30 39 31 45 32 30 30 30 32 37 41 0D 0A Example 2 Writing parameter Fixed Frequency 3 482 0x01E2 in data set 9 RAM for data set4 to the fre quency inverter with address 1 The frequency is to be set to the invalid value 2000 00 Hz Parameter Fixed Frequency 3 482 has two decimal places Therefore the value to be sent is 20000 0...

Page 58: ...LF Hex 3A 30 31 36 34 30 30 30 30 30 33 45 38 42 30 0D 0A The hexadecimal value sent is 0x000003E8 1000 Parameter Fixed Frequency 2 481 has 2 decimal places Therefore fixed frequency 2 10 00 Hz Example 2 Reading unknown parameter 1600 0x0640 in data set 2 from the frequency inverter with address 1 Request Master Frequency Inverter Field SoF Addr Fct Code DSet Par No LRC EoF ASC 0 1 6 4 2 6 4 0 3 5...

Page 59: ...EoF ASC 0 1 6 5 2 1 7 7 0 0 0 0 0 3 E 8 1 7 CR LF Hex 3A 30 31 36 35 32 31 37 37 30 30 30 30 30 33 45 38 31 37 0D 0A The response is an echo of the request message Example 2 Writing out of range value to 9 00 Hz to parameter Rated Frequency 375 0x0177 in data set 2 of the frequency inverter with address 1 Parameter Rated Frequency 375 has 2 decimal places The value to be sent is 900 0x0384 Request...

Page 60: ...e Message Count Sub function 0x0E from the frequency inverter with address 1 Field SoF Addr Fct Code Sub function Data LRC EoF ASC 0 1 0 8 0 0 0 E 0 0 0 0 E 9 CR LF Hex 3A 30 31 30 38 30 30 30 45 30 30 30 30 45 39 0D 0A Response Frequency Inverter Master Field SoF Addr Fct Code Sub function Data LRC EoF ASC 0 1 0 8 0 0 0 E 0 0 0 1 E 8 CR LF Hex 3A 30 31 30 38 30 30 30 45 30 30 30 31 45 38 0D 0A Ex...

Page 61: ...65 e 16 10 59 3B 102 66 f 17 11 60 3C 103 67 g 18 12 61 3D 104 68 h 19 13 62 3E 105 69 i 20 14 63 3F 106 6A j 21 15 NAK 64 40 107 6B k 22 16 65 41 A 108 6C l 23 17 66 42 B 109 6D m 24 18 67 43 C 110 6E n 25 19 68 44 D 111 6F o 26 1A 69 45 E 112 70 p 27 1B ESC 70 46 F 113 71 q 28 1C 71 47 G 114 72 r 29 1D 72 48 H 115 73 s 20 1E 73 49 I 116 74 t 31 1F 74 4A J 117 75 u 32 20 SPACE 75 4B K 118 76 v 33...

Page 62: ...00 Long With the Control Word 410 data type uInt control commands are sent to the frequency inverter With the Reference Frequency RAM 484 data type Long Hz or Reference Percentage RAM 524 data type Long the reference line value is sent Via the Status Word 411 data type uInt the status of the frequency inverter is read out M Master z B PC Inverter Release external Release SPS Sollwert Controller Re...

Page 63: ...over between the different operation modes 414 Data Set Selection The data set switch over can be carried out via control contacts at the digital inputs of the frequency inverter or via the bus For data set change over via the bus parameter Data Set Selection 414 is used Parameter Setting No Name Min Max Factory Setting 414 Data Set Selection 0 5 0 With the default setting Data Set Selection 414 0...

Page 64: ...3 2 1 0 Bit 0 STOA und STOB 1 IN1D 2 IN2D 3 IN3D 4 IN4D 5 IN5D 6 MFI1D 7 MFI2D 8 9 10 11 12 13 14 15 If the operation mode Control via Remote Contacts is used then the Controller Release STOA STOB must be switched on and bit 0 of the Control Word must be set in order to start the drive With the use of Remote Contacts the signal sources digital inputs or multifunctional inputs set as digital inputs...

Page 65: ...12 13 14 15 Warning 2 Note The frequency inverter supports an external 24 V voltage supply for the control electronics of the fre quency inverter Communication between the controlling device PLC and the frequency inverter is still possible even when the mains supply has been switched off Bit 4 Voltage enabled in the Status Word indicates the current status of the mains supply Bit 4 Voltage enabled...

Page 66: ...to 0 in the case of the control via contacts Bit 10 Reference value reached is set when the specified reference value is reached In the spe cial case of power failure regulation the bit is also set when the power failure regulation reaches the frequency 0 Hz For Reference value reached there is a hysteresis tolerance range which can be set via parameter Reference Value Reached Hysteresis 549 Bit 1...

Page 67: ...on enabled is only possible if the Controller Release via STOA and STOB and one of the digital inputs for Start Right or Start Left is set Control Word 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Bit 0 Switch On 1 Enable Voltage 2 Quick Stop 3 Enable Operation 4 no function 5 no function 6 no function 7 Reset fault 8 no function 9 no function 10 no function 11 no function 12 no function 13 no function 1...

Page 68: ...rer dependent Warning 2 Bit 4 Voltage enabled in the Status Word indicates the current status of the mains supply Bit 4 Voltage enabled 0 signals no mains supply and that starting the drive is not possible Bit 4 Voltage enabled 1 signals mains supply switched on and drive ready for starting Note The frequency inverter supports an external 24 V voltage supply for the control electronics of the fre ...

Page 69: ...Modbus Agile 69 02 2011 10 2 1 Statemachine diagram ...

Page 70: ...time It signals a device internal warning The active warning can be read out from the Warning Status with Parameter Warnings 270 Bit 9 Remote is set if the operation mode Control via Statemachine Local Remote 412 1 is set and the Controller Release is switched on Logical combination of the digital control signals STO STOA and STOB AND Start Right OR Start Left The frequency inverter can only be co...

Page 71: ...tical operating state which will result in a fault switch off of the fre quency inverter within a short time This bit is set if there is a delayed warning relating to the motor temperature heat sink inside temperature Ixt monitoring or mains phase failure ...

Page 72: ...drive is brought to a standstill via the emergency stop ramps Emergency Stop Clockwise 424 or Emergency Stop Anticlockwise 425 fs Start Quick Stop OFF change of state t Switch off Threshold Stop Fct 637 Emergency Stop Clockwise 424 425 Emergency Stop Anticlockwise Holdig Time Stop Function 638 If the frequency speed reaches the value zero during the switch off time the drive continues to be suppli...

Page 73: ...et for state transition 5 392 is also changed if necessary If state transition 5 392 was triggered with value 1 Direct current brake a new Control Word will only be accepted after the transition process is complete The change of state from Operation re leased to Switched On is carried out after the Braking Time 632 parameterized for the DC brake has elapsed If parameter state transition 5 392 2 ra...

Page 74: ... Ramp Frequency Hz 999 99 999 99 11 Bus Control 411 Status Word 0 0xFFFF 10 12 2 Parameters Para Menu Parameter No Description Units Value Range Chapter Bus Control 392 state transition 5 Selection 10 4 RS485 RS232 395 Protocol CM X21 Selection 5 4 Bus Control 410 Control Word 0 0xFFFF 10 412 Local Remote Selection 10 414 Data Set Selection 0 4 10 Fixed Frequency Values 484 Reference Frequency RAM...

Page 75: ...perature Ti 5 0x0020 Warning I Limit 6 0x0040 Warning Init 7 0x0080 Warning Motor Temperature 8 0x0100 Warning Mains Phase Failure 9 0x0200 Warning Motor Protective Switch 10 0x0400 Warning Fmax 11 0x0800 Warning Analog Input MFI1A 12 0x1000 Warning Analog Input MFI2A 13 0x2000 Warning Systembus Slave in Fault 14 0x4000 Warning Udc 15 0x8000 Warning Application 1 2 Bit 0 Warning Ixt is set if Bit ...

Page 76: ...d 3 0x0008 reserved 4 0x0010 reserved 5 0x0020 reserved 6 0x0040 SERVICE 7 0x0080 User 1 8 0x0100 User 2 9 0x0200 reserved 10 0x0400 reserved 11 0x0800 reserved 12 0x1000 reserved 13 0x2000 reserved 14 0x4000 reserved 15 0x8000 reserved Note The meaning of the individual warnings are described in detail in the operating instruc tions 13 3 Error Messages VABus F20 10 Watchdog for X21 Connection Com...

Page 77: ...ocal Remote 63 Longitudinal Redundancy Checking 41 LRC 41 M Master Slave 24 Message Structure 24 Modbus Address 23 Baud rate 22 Mode 22 Parity 22 Watchdog Timer 23 Modbus Address 23 Modbus Baud rate 22 Modbus Mode 22 Modbus Parity 22 Modbus Watchdog Timer 23 P Parameter List 74 Parity 22 Protocol 21 24 Protocol CM X21 21 R RAM Access 43 Reference Frequency RAM 62 Reference Percentage RAM 62 Refere...

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Page 80: ...eno Bologna Italy tel 39 051 647 3111 fax 39 051 647 3126 bonfiglioli bonfiglioli com www bonfiglioli com VEC 691 R1 Bonfiglioli has been designing and developing innovative and reliable power transmission and control solutions for industry mobile machinery and renewable energy applications since 1956 ...

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