Toshiba TOSVERT VF-nC3 Instruction Manual
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Toshiba TOSVERT VF-nC3 Instruction Manual

Toshiba TOSVERT VF-nC3 Instruction Manual

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efesotomasyon.com -Toshiba inverter,drive,servo,plc
E6581657
TOSVERT VF-nC3 Series
RS485 Communication Function
Instruction Manual
Notice
1. Make sure that this instruction manual is delivered to the end user of the inverter.
2. Read this manual before first using the communications function, and keep it handy as a
reference for maintenance and inspections.
* The contents of this manual are subject to change without notice.
© TOSHIBA SCHNEIDER INVERTER CORPORATION 2009
All rights reserved.

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Summary of Contents for Toshiba TOSVERT VF-nC3

  • Page 1 2. Read this manual before first using the communications function, and keep it handy as a reference for maintenance and inspections. * The contents of this manual are subject to change without notice. © TOSHIBA SCHNEIDER INVERTER CORPORATION 2009 All rights reserved.

  • Page 2: Safety Precautions

    “8.Parameter data “) Instruction When using the TOSHIBA inverter protocol and the data does not need to be re- cords, use P command (the data is written only to RAM). ♦ About the handling of the inverter, please follow the instruction manual of the...

  • Page 3: Table Of Contents

    General outlines of the communication function ......................3 Data transmission specifications..........................4 Communication protocol ............................. 5 3.1. About the handling of received frames ......................5 TOSHIBA Inverter Protocol............................6 4.1. Data transmission format..........................7 4.1.1. Data transmission format used in ASCII mode ..................7 4.1.2.

  • Page 4: General Outlines Of The Communication Function

    • Parameter function (used to set parameters and read their settings) As for data communications codes, the TOSVERT VF-nC3 series of inverters support the binary (HEX) code, in addition to the JIS (ASCII) code. The communications function is designed on the...

  • Page 5: Data Transmission Specifications

    Communication baud rate 9600/19200*/38400 bps (selectable using a parameter) Communication protocol TOSHIBA Inverter Protocol * / MODBUS-RTU (selectable using a parameter) Character transmission <ASCII mode> JIS X 0201 8-bit (ASCII) <Binary mode, MODBUS-RTU> Binary codes fixed to 8 bits...

  • Page 6: Communication Protocol

    -Toshiba inverter,drive,servo,plc E6581657 3. Communication protocol This communication protocol supports the TOSHIBA Inverter Protocol and part of MODBUS-RTU protocol. Select the desired protocol from in the following communication protocol selection parameters (f829). “Parameter Name f829, Communication Number. 0829” Data Range: 0, 1 (Initial value: 0)

  • Page 7: Toshiba Inverter Protocol

    -Toshiba inverter,drive,servo,plc E6581657 4. TOSHIBA Inverter Protocol Select “TOSHIBA” (f829=0) in the communication protocol selection parameters. “TOSHIBA” (f829=0) is set for initial communication protocol selection of shipment setting. (See “3. Communication protocol.”) Exchange of data between the computer and the inverter In communication between the computer and the VF-ｎC3 (hereinafter referred to as the inverter),...

  • Page 8: Data Transmission Format

    -Toshiba inverter,drive,servo,plc E6581657 4.1. Data transmission format 4.1.1. Data transmission format used in ASCII mode A communication number is used to specify a data item, all data is written in hexadecimal, and JIS-X-0201 (ASCII (ANSI))-compliant transmission characters are used.
  • Page 9 -Toshiba inverter,drive,servo,plc E6581657 Inverter → computer At time of broadcast communication, returning of data is not executed, except for the inverters to be returned, when the inverter number is not matched, and the inverter number has only one character.
  • Page 10 -Toshiba inverter,drive,servo,plc E6581657 • Data returned when data is not processed normally (ASCII mode) In case an error occurs, communication error command (4EH(N) or 6EH(n)) and the error type number is returned to the computer in addition to the checksum. At time of broadcast communica- tion of the binary mode, returning of data is not executed except for the inverter to be returned (in- verter number 00H) and when the inverter number is not matched.

  • Page 11: Data Transmission Format Used In Binary Mode

    -Toshiba inverter,drive,servo,plc E6581657 4.1.2. Data transmission format used in binary mode A communication number is used to specify a data item, data is written in hexadecimal form, and data in transmission characters are represented by binary codes (HEX codes).
  • Page 12 -Toshiba inverter,drive,servo,plc E6581657 Inverter → computer (binary mode) At time of broadcast communication of the binary mode, returning of data is not executed except for the inverter to be returned (inverter number 00H) and when the inverter number is not matched.
  • Page 13 -Toshiba inverter,drive,servo,plc E6581657 2) Error Processing (Binary mode) In case an error occurs, communication error command (4EH(N) or 6EH(n)) and the error type number is returned to the computer in addition to the checksum. At time of broadcast communica- tion of the binary mode, returning of data is not executed except for the inverter to be returned (in- verter number 00H) and when the inverter number is not matched.

  • Page 14: Transmission Format Of Block Communication

    -Toshiba inverter,drive,servo,plc E6581657 4.1.3. Transmission format of Block Communication What is block communication? Data can be written in and read from several data groups set in one communication by setting the type of data desired for communication in the block communication parameters (f870, f871, f875 to f879) in advance.
  • Page 15 -Toshiba inverter,drive,servo,plc E6581657 Block Write 1, 2 Select data, which is desired to be written in block communication, in block write Data 1 and 2 Pa- rameters (f870, f871). This parameter becomes effective when the system is reset, such as when power is turned off.
  • Page 16 -Toshiba inverter,drive,servo,plc E6581657 Inverter → Computer At time of broadcast communication of the binary mode, returning of data is not executed except for the inverter to be returned (inverter number 00H) and when the inverter number is not matched.
  • Page 17 -Toshiba inverter,drive,servo,plc E6581657 2) Error Processing (Binary mode) In case an error occurs, communication error command (4EH(N) or 6EH(n)) and the error type number is returned to the computer in addition to the checksum. Omissible (3.5bytes “/” INV-NO Norn DATA (3.5bytes...

  • Page 18: Commands

    ♦ Do not write the same parameter to the EEPROM more than 10,000 times. The life time of EEPROM is approximately 10,000 times.(Some parameters are not limited, please refer to the “8.Parameter data “) The lifetime of EEPROM is approximately 10,000 times. When using the TOSHIBA inverter protocol Instruction and the data does not need to be records, use P command (the data is written only to RAM).
  • Page 19 -Toshiba inverter,drive,servo,plc E6581657 P (50 (RAM write) This command is used to rewrite data into the parameter specified using a communication number. It writes data into the RAM only. It cannot be used to write data into any read-only parameters. Each time an attempt to write data is made the inverter checks whether the data falls within the specified range.

  • Page 20: Transmission Errors

    -Toshiba inverter,drive,servo,plc E6581657 4.3. Transmission errors Table of error codes Error name Description Error code Impossible to exe- The command is impossible to execute, though communication was 0000 cute established normally. 1 Writing data into a parameter whose setting cannot be changed during operation (e.g., maximum frequency)

  • Page 21: Broadcast Communication Function

    -Toshiba inverter,drive,servo,plc E6581657 4.4. Broadcast communication function Broadcast communication function can transmit the command (write the data) to multiple inverters by one communication. Only the write (W, P) command is valid and the read (R, G) command is invalid. The inverters subject to the broadcast communication are the same to the independent communication;...
  • Page 22 -Toshiba inverter,drive,servo,plc E6581657 Host computer Block 2 Block 1 Inverter No.20 Inverter No.21 Inverter No.29 Inverter No. 10 Inverter No.11 Inverter No.19 Inverter Inverter Inverter Inverter Inverter Inverter *1: Error signal I/F In broadcast communication, only the representative inverter in each block returns data to the host computer.

  • Page 23: Examples Of The Use Of Communication Commands

    -Toshiba inverter,drive,servo,plc E6581657 4.5. Examples of the use of communication commands Here are some examples of the use of communication commands provided for the VF-ｎC3 series of inverters. Inverter numbers and checksum used in ASCII mode are omitted from these examples.

  • Page 24: Modbus-Rtu Protocol

    Parameter Setting • Protocol selection (f829) Select “MODBUS－RTU (f829 = 1) in the communication selection parameters. “TOSHIBA” (f829=0) is set for communication protocol selection in initial shipment setting. (See “3. Com- munication protocol.”) • Inverter number ( f802 Inverter numbers.

  • Page 25: Modbus-Rtu Transmission Format

    -Toshiba inverter,drive,servo,plc E6581657 5.1.MODBUS-RTU transmission format MODBUS-RTU sends and receives binary data without a frame-synchronizing start code and de- fines the blank time to recognize the start of a frame. MODBUS-RTU decides the data that is first received subsequently as the first byte of a frame after a blank time for 3.5 bytes at the on-going communication speed.

  • Page 26: Read Command (03H)

    -Toshiba inverter,drive,servo,plc E6581657 5.1.1. Read command (03H) Computer → Inverter *The text size is 8 bytes fixed. Communication No. Number of Data CRC16 Inverter Com- Groups mand high high high 1) Inverter No. (1 byte) : --- 2) Command (1 byte) : Set the read command (03H fixed).

  • Page 27: Block Read Command：indirect (03H)

    -Toshiba inverter,drive,servo,plc E6581657 5.1.2. Block Read command：Indirect (03H) Select read data, which is desired to be read in block communications, in Block Communication Read Data 1 and 5 Parameters (f875 to f879). This parameter becomes effective when the system is reset, such as when power is turned off. When the setting is completed , turn off and then on the power.
  • Page 28 -Toshiba inverter,drive,servo,plc E6581657 Inverter → Computer (Abnormal return) *The text size is 5 bytes fixed. Inverter CRC16 Command Error Code high 1) Inverter No (1 byte) : --- 2) Command (1 byte) : 83H fixed (Read command error) (Command + 80H) 3) Error code (1 byte) : See ”5.3.

  • Page 29: Block Read Command：direct (03H)

    -Toshiba inverter,drive,servo,plc E6581657 5.1.3.Block Read command：Direct (03H) The data of consecutive ommunication number from the specified communication number is read. Eight data or less is read. When a consecutive communication number doesn't exist, the data of 8000H is sent back.
  • Page 30 -Toshiba inverter,drive,servo,plc E6581657 Example: direct block read of 5 words < Parameter > f802 (Inverter number) = 1 f829 (Selection of communication protocol) = 1:modbus f130 = 4 f131 : nonexistent f132 = 10 f133 : nonexistent f134 : nonexistent (Computer →...

  • Page 31: Write Command (06H , 10H)

    -Toshiba inverter,drive,servo,plc E6581657 5.1.4. Write command (06H , 10H) Notice ♦ Do not write the same parameter to the EEPROM more than 10,000 times. The life time of EEPROM is approximately 10,000 times.(Some parameters are not limited, please refer to the “8.Parameter data “) The lifetime of EEPROM is approximately 10,000 times.
  • Page 32 -Toshiba inverter,drive,servo,plc E6581657 5.1.4.2. Write command (10H) Computer → Inverter *The text size is 11 bytes fixed. Inverter Command Communication number of word number Write Data CRC16 of byte high high high high 1) Inverter No. (1 byte) : --- 2) Command (1 byte) : Set the write command (10H fixed).

  • Page 33: Block Write Command (10H)

    -Toshiba inverter,drive,servo,plc E6581657 5.1.5. Block Write command (10H) Select data, which is desired to be written in block communications, in Block Communication Write Data 1 and 2 Parameters (f870, f871). This parameter becomes effective when the system is reset, such as when power is turned off. When the setting is completed, turn off and then on the power.
  • Page 34 -Toshiba inverter,drive,servo,plc E6581657 Inverter → Computer (Abnormal return) *The text size is 5 bytes fixed. Inverter CRC16 Command Error Code high 1) Inverter No (1 byte) : --- 2) Command (1 byte) : 90H fixed (Read command error) (Command + 80H) 3) Error code (1 byte) : See ”5.3.

  • Page 35: Block Write And Read Command (17H)

    -Toshiba inverter,drive,servo,plc E6581657 5.1.6.Block Write and Read command (17H) Select data, which is desired to be written in block communications, in Block Communication Write Data 1 and 2 Parameters (f870, f871). Then, Select read data, which is desired to be read in block communication, in block read data 1 and 5 Parameters (f875 to f879).
  • Page 36 -Toshiba inverter,drive,servo,plc E6581657 Inverter → Computer (Normal return) *The text size is variable. Inverter Number Read data 1 Read data 8 CRC16 Com- mand of data high … high high 04－16 1) Inverter No. (1 byte) : --- 2) Command (1 byte) : 10H (fixed).

  • Page 37: Identification Command (2Bh)

    The total responce size is variable. The three objects contained in the responce correspond to the following objects: Object no.1: Manufacturer name (”TOSHIBA”). Object no.2: Device reference (ASCII string ; ex. :” VFｎC3-2007PL”). note) See Appendix 3. Object no.3: Device version (4-byte ASCII string; for example: “0510” for version 510).
  • Page 38 4) CRC16 (2 bytes) : --- Example: Reading Identification Inverter No = 01H Manufacturer name = “TOSHIBA”(7 bytes) Device name = “VFnC3-2007PL” (12 bytes) Device version = “0510” (4 bytes) (Computer → inverter) 01 2B 0E 01 00 70 77 (Inverter →...

  • Page 39: Crc Generation

    -Toshiba inverter,drive,servo,plc E6581657 5.2. CRC Generation “CRC” is a system to check errors in communication frames during data transmission. CRC is composed of two bytes and has hexadecimal-bit binary values. CRC values are generated by the transmission side that adds CRC to messages. The receiving side regenerates CRC of received messages and compares generation results of CRC regeneration with CRC values actually re- ceived.

  • Page 40: Error Codes

    -Toshiba inverter,drive,servo,plc E6581657 5.3. Error codes In case of the following errors, the return commands from the inverters are added 80h to the com- mands received by the inverters. The following error codes are used. Error Code Description - Command error...

  • Page 41: Communication Parameters

    -Toshiba inverter,drive,servo,plc E6581657 6. Communication parameters The settings of communication-related parameters can be changed from the operation panel and the external controller (computer). Note that there are two types of parameters: parameters whose settings take effect immediately after the setting and parameters whose settings do not take effect until the inverter is turned back on or reset.

  • Page 42: Baud Rate(F800) , Parity (F801)

    Parameters can be selected between 0 and 247. Note that the communication protocols limit inverter numbers as follows: ● TOSHIBA Inverter Protocol ASCII mode: 0 to 99 ● TOSHIBA Inverter Protocol Binary mode: 0 to 63 ● MODBUS Protocol: 0 to 247 (0: Broadcast communication)

  • Page 43: Communication Time-Out Detection (F803) (F804) (F808)

    -Toshiba inverter,drive,servo,plc E6581657 6.3. Communication time-out detection (f803) (f804) (f808) The timer function is mainly used to detect a break in a cable during communication, and if no data is sent to an inverter within the preset time, this function makes the inverter trip ( ) or issue an alarm ( ).

  • Page 44: Commands And Monitoring From The Computer

    -Toshiba inverter,drive,servo,plc E6581657 7. Commands and monitoring from the computer Across the network, instructions (commands and frequency) can be sent to each inverter and the operating status of each inverter can be monitored. 7.1. Communication commands (commands from the computer)
  • Page 45 -Toshiba inverter,drive,servo,plc E6581657 Communication command2 (Communication Number : FA20) This command is enabled only when the communication command is enabled. Set Bit 15 of Communication Command 1 (communication Number: FA00) to “1” (enable). When enabling the communication command by Communication Command 1, commands by communication can be given the priority irrespective of the setting of the command mode selection parameter (cm0d).
  • Page 46 -Toshiba inverter,drive,servo,plc E6581657 Terminal board output data (FA50) The output terminal board on each inverter can be directly controlled with the computer. To use this function, select functions 92,93 in advance for the output terminal function selection parameters f130、f132. If bit 0 through bit 6 of terminal board output data (FA50) are set with the computer, data specified (0 or 1) can be sent to any output terminal.

  • Page 47: Monitoring From The Computer

    -Toshiba inverter,drive,servo,plc E6581657 7.2.Monitoring from the computer This section explains how to monitor the operating status of the inverter from the computer. Monitoring of the output frequency from the computer (FD00, FE00) Output frequency (current status): “Communication Number FD00” (minimum unit: 0.01Hz) Output frequency (status immediately before the occurrence of a trip): “Communication Number...
  • Page 48 -Toshiba inverter,drive,servo,plc E6581657 Input terminal board status (FD06, FE06) Input terminal board status (current status): “Communication Number FD06” Input terminal board status (status immediately before the occurrence of a trip): “Communication Number FE06” Using terminal function selection parameters, functions can be assigned individually to the terminals on the input terminal board.
  • Page 49 -Toshiba inverter,drive,servo,plc E6581657 Output terminal board status (FD07, FE07) Output terminal board status (current status): “Communication Number FD07” Output terminal board status (status immediately before the occurrence of a trip): “Communication Number FE07” Using terminal function selection parameters, functions can be assigned individually to the terminals on the output terminal board.
  • Page 50 -Toshiba inverter,drive,servo,plc E6581657 Inverter operating status 1 (FD01, FE01) Inverter status 1 (current status): Communication Number FD01 Inverter status 1 (status immediately before the occurrence of a trip): Communication Number FE01 Specifications Remarks Failure FL No output Output in progress...
  • Page 51 -Toshiba inverter,drive,servo,plc E6581657 Inverter operating status 2 (FD42, FE42) Inverter status 2 (current status): Communication Number FD42 Inverter status 2 (status immediately before the occurrence of a trip): Communication Number FE42 Function Remarks (Reserved) (Reserved) (Reserved) (Reserved) Preliminary excitation...
  • Page 52 -Toshiba inverter,drive,servo,plc E6581657 Inverter operating command mode status (FD45, FE45) The monitor of the command mode that the present condition is enabled Command mode status (current status): “Communication Number FD45” Command mode status (status immediately before the occurrence of a trip): “Communication...
  • Page 53 -Toshiba inverter,drive,servo,plc E6581657 Alarm information monitor 1(FC91) Remarks Specifications (Code displayed on the panel) Over-current alarm Normal Alarming flickering flickering Inverter overload alarm Normal Alarming flickering Motor overload alarm Normal Alarming flickering Overheat alarm Normal Alarming flickering Overvoltage alarm...
  • Page 54 -Toshiba inverter,drive,servo,plc E6581657 Output phase failure epho Overvoltage during acceleration Overvoltage during deceleration Overvoltage during constant speed operation Over-LOAD in inverter Over-LOAD in motor Overheat Emergency stop EEPROM fault eep1 Initial read error eep2 Initial read error eep3 Inverter RAM fault...

  • Page 55: Utilizing Panel (Leds And Keys) By Communication

    -Toshiba inverter,drive,servo,plc E6581657 7.3.Utilizing panel (LEDs and keys) by communication The VF- ｎ C3 can display data that is not related to the inverters through an external controller or other means. Input by key operations can also be executed. The use of inverter resources re- duces the cost for the entire system.
  • Page 56 -Toshiba inverter,drive,servo,plc E6581657 Block Communication Function for LED Display To display LED data for ASCII display that is synchronized to each digit, set data for each digit and validate this set data by display selection by communication (Communication Number FA65).
  • Page 57 -Toshiba inverter,drive,servo,plc E6581657 ■ ASCII LED display data code (00H-1FH are blank.) Hex Code Display Char. Hex Code Display Char. Hex Code Display Char. Hex Code Display Char. BLANK BLANK BLANK BLANK BLANK BLANK BLANK BLANK BLANK BLANK BLANK...

  • Page 58: Key Utilization By Communication

    -Toshiba inverter,drive,servo,plc E6581657 7.3.2.Key utilization by communication The VF- ｎ C3 can use the panel keys on the inverters through external communication. Key Monitoring Procedure Set panel key selection (Communication Number: FA10) to “1” to set the external key mode.

  • Page 59: Parameter Data

    -Toshiba inverter,drive,servo,plc E6581657 8.Parameter data Explanation of parameters for VF- ｎ C3 series is described here. For communication purposes, see the parameter list on inverter's instruction manual regarding the communication number, adjustment range and so forth. Referring to the parameter list <Example of excerpts from the inverter’s instruction manual>...
  • Page 60 -Toshiba inverter,drive,servo,plc E6581657 Command parameters For those parameters that contain data only in the RAM and not in the EEPROM, their data return to initial values when the power is turned off, in failure resetting, or when standard shipment settings are set.
  • Page 61 -Toshiba inverter,drive,servo,plc E6581657 Monitor parameters *These Parameters are read-only (monitor-only) parameters. Communication No. Function Unit Remarks Current value Trip data held FC00 Monitor of key data (Effective － Refer to Section － data) 7.3. FC01 Monitor of inverter keypad data －...

  • Page 62: Appendix 1 Table Of Data Codes

    -Toshiba inverter,drive,servo,plc E6581657 Appendix 1 Table of data codes • JIS (ASCII) codes Higher orde Lower order (DLE) (SP) ０ ＠ Ｐ 、 ｐ (SOH) １ Ａ Ｑ ａ ｑ (STX) ” ２ Ｂ Ｒ ｂ ｒ (ETX) ＃...

  • Page 63: Appendix 2 Response Time

    -Toshiba inverter,drive,servo,plc E6581657 Appendix 2 Response time The communication response time can be calculated from data communication time and inverter processing time. When wishing to know the communication response time, calculate using the following as a reference Interval corresponding to 3.5 bytes...

  • Page 64: Appendix 3 Type And Form

    -Toshiba inverter,drive,servo,plc E6581657 Appendix 3 Type and Form ■ 1-phase 120V class Type and Form Voltage / Capqacity VFnC3S-1001P 1ph 200V 0.1kW VFnC3S-1002P 1ph 200V 0.2kW VFnC3S-1004P 1ph 200V 0.4kW VFnC3S-1007P 1ph 200V 0.75kW ■ 1-phase 240V class Type and Form...

  • Page 65: Appendix 4 Troubleshooting

    To make them take effect, turn the inverter off tempo- rarily, then turn it back on. The setting of a parameter was When using the TOSHIBA Inverter Protocol, use the W command to Section 4.2 changed, but it returns to its write data into the EEPROM.

  • Page 66: Appendix 5 Connecting For Rs485 Communication

    -Toshiba inverter,drive,servo,plc E6581657 Appendix 5 Connecting for RS485 communication Connector diagram for 2-wire RS485 communication Pin-1 Pin-8 Signal name Pin number Description RXD+/TXD+ Same phase reception data (positive line) RXD-/TXD- Anti-phase reception data (negative line) Ground line of signal data Open (Do not connect the cable.)

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