Toshiba Tosvert RS485 user manual

User manual for the device Toshiba Tosvert RS485

Device: Toshiba Tosvert RS485
Category: Power Supply
Manufacturer: Toshiba
Size: 0.55 MB
Added : 10/6/2013
Number of pages: 73
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Abstracts of contents
Summary of the content on the page No. 1

E6581315
TOSVERT VF-AS1 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 2005
All rights reserved.

Summary of the content on the page No. 2

E6581315 Read first Safety precautions This manual and labels on the inverter provide very important information that you should bear in mind to use the inverter properly and safely, and also to avoid injury to yourself and other people and damage to property. Read the safety precautions in the instruction manual for your inverter before reading this manual and strictly follow the safety instructions given. Reference Notice ♦ Insert an electromagnetic contactor between the inverter and the power

Summary of the content on the page No. 3

E6581315 Contents 1. General outlines of the communication function......................................................................................................... 3 2. Data transmission specifications ................................................................................................................................ 4 3. Communication protocol.....................................................................................................................................

Summary of the content on the page No. 4

E6581315 1. General outlines of the communication function This manual explains the RS485 communication function provided for the TOSVERT VF-AS1 series of industrial inverters. (1) RS485 communication by the use of a two-wire RS485 communication port (standard function) (2) RS485 communication by the use of a four-wire RS485 communication port (standard function) (1) 2-wire RS485 communication connector (2) 4wire RS485 communication connector By using these communication functions in combinatio

Summary of the content on the page No. 5

E6581315 2. Data transmission specifications Items Specifications Transmission scheme Half-duplex *: Standard Synchronization scheme Start-stop synchronization default setting *1 Communication baud rate 9600/19200*/38400 bps (selectable using a parameter) *1 Communication protocol TOSHIBA Inverter Protocol * / MODBUS-RTU (selectable using a parameter) Character transmission JIS X 0201 8-bit (ASCII) Binary codes fixed to 8 bits *3 Stop bit length Receiv

Summary of the content on the page No. 6

E6581315 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 (, ). “Parameter Name   and , Communication Number. 0807 and 0829” Data Range: 0, 1 (Initial value: 0) 0: TOSHIBA (Includes inter-drive communication) 1: MOUBUS-RTU * A parameter change is reflected when the inverter is reset, such as in power off. 3.1.

Summary of the content on the page No. 7

E6581315 4. TOSHIBA Inverter Protocol Select “TOSHIBA” (, = ) in the communication protocol selection parameters. “TOSHIBA” (, = ) 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-AS1 (hereinafter referred to as the inverter), the inverter is always placed in wait states and acts as a slave that operates on a reque

Summary of the content on the page No. 8

E6581315 4.1. Data transmission format Note: The term “trip status” used in this manual includes retry waiting status and trip retention status. 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. Computer → Inverter Omissible in one-to-one communication For the W and P commands only Omissible (3.5bytes "(" INV-NO CMD Com

Summary of the content on the page No. 9

E6581315 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. This is because there will be a risk of that the returned data may be deformed. Data returned when data is processed normally (ASCII mode) Omissible in one-to-one communication Omissible (3.5bytes "(" INV-NO CMD Communication

Summary of the content on the page No. 10

E6581315 • 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 num- ber is returned to the computer in addition to the checksum. 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. This is because there will be a risk that the returned data may be deforme

Summary of the content on the page No. 11

E6581315 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). Computer → Inverter (binary mode) Omissible in one-to-one communication No data for the 52H (R) command (3.5bytes “/” INV-NO CMD Communication No. DATA SUM (3.5bytes Blank) (2FH) 1 byte 1 byte 2 bytes 2 bytes 1 byte Blank) Checksum area Not omissible

Summary of the content on the page No. 12

E6581315 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. This is because there will be a risk that the returned data may be deformed. • Data returned when data is processed normally (Binary mode) Omissible (3.5bytes “/” INV-NO CMD Communication No. DATA SUM (3.5bytes Blank) (2FH) 1 byte 1 byte 2 bytes 2 bytes 1 by

Summary of the content on the page No. 13

E6581315 2) Error Processing (Binary mode) In case an error occurs, communication error command (4EH(N) or 6EH(n)) and the error type num- ber is returned to the computer in addition to the checksum. 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. This is because there will be a risk that the returned data may be deformed. Omissible (3.5b

Summary of the content on the page No. 14

E6581315 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 ( , ,  to ) in advance. Block communication can save the communication time. Data is transmitted hexadecimal using the binary (HEX) code transmission characters. “Computer → inverter” is for writing only, while “Inverte

Summary of the content on the page No. 15

E6581315 Block Write 1, 2 Select data, which is desired to be written in block communication, in block write Data 1 and 2 Pa- rameters ( , ). 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. No. Block Write Data For data details, see: 0 Deselect 1 Command information 1 (FA00) 2 Command information 2 (FA20) 3 Frequency Command (FA01) “8.1 Command by communication” 4 Terminal boar

Summary of the content on the page No. 16

E6581315 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. This is because there will be a risk that the returned data may be deformed. 1) Normal processing Omissible Number of read data groups x 2 bytes (3.5 Start INV CMD Write Read Read Read Read Read Read Read Read Read Read SUM (3.5 Number bytes Code of Read No. “Y” Status data1

Summary of the content on the page No. 17

E6581315 2) Error Processing (Binary mode) In case an error occurs, communication error command (4EH(N) or 6EH(n)) and the error type num- ber is returned to the computer in addition to the checksum. Omissible (3.5bytes “/” INV-NO Norn DATA SUM (3.5bytes Blank) (2FH) 1 byte (4EH)(6EH) 2 bytes 1 byte Blank) Checksum area Not omissible “N” or “n” (1 byte) : Communication error command. Also for che

Summary of the content on the page No. 18

E6581315 4.2. C ommands Here are the communication commands available. Command Function R command Reads the data with the specified communication number. W command Writes the data with the specified communication number. (RAM and EEPROM). P command Writes the data with the specified communication number. (RAM). Reads the data with the specified communication number. (For binary mode only. G command Dummy data is required for this command.) X command Block communication (Computer -> Inverter) Y c

Summary of the content on the page No. 19

E6581315 *1 P (50H) (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. If this check reveals that the data falls outside the range, the inverter will reject it and return an error code. - Ex.: Entering the emergency stop command (c

Summary of the content on the page No. 20

E6581315 When Command “s” (lowercase letter) is received, the slave side judges that the master side is tripped and operates in accordance with the inter-drive communication parameter ( , ). For detail, see "7. Communication parameters ". - Examples: 50% frequency command (2-wire RS485 communication) (If maximum frequency = Frequency for operation at 80Hz = 40Hz: 50% = 5000d = 1388H) Master inverter → Slave inverter Slave inverter → Master inverter 2F 53 FA 01 13 88 18 No


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