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Toshiba TOSVERT VF-AS1 instruction manual

Models: TOSVERT VF-AS1 VF-AS1

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E6581315

＊1: Enable the communication command or communication frequency setting before setting these parameters are set. Otherwise, the parameters will not function. See “8.1 Command by communication” for the method to enable them.

＊2: Note that the Communication Number for operation panel operation frequency is FA02 in the VF-S7 and VF-S9 series.

＊3: See “8.1 Communication commands (commande from the computer)” for the detail information.

＊4: See “8.3 Utilizing panel (LEDs and keys) by communication” for the detail information.

Page 65

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Toshiba TOSVERT VF-AS1 instruction manual

Contents

E6581315② Tosvert VF-AS1 Series RS485 Communication FunctionE6581315 Read first Safety precautionsContents Bit Word General outlines of the communication functionBIT15 BIT8BIT7 BIT0 BIT2 Data transmission specificationsMOUBUS-RTU Communication protocolAbout the handling of received frames Toshiba Inverter Protocol Binary mode 2FHData transmission format Data transmission format used in Ascii modeINV-NO CMD Data28H Bytes Checksum area 5bytes BlankData SUM INV-NOData transmission format used in binary mode Returned for the 57H W and 50H P commands Command receivedByte Bytes Sum 1 bytes Checksum not omissible 00H to FFH2FH Byte 4EH6EH Bytes NornTransmission format of Block Communication Page Bytes Blank Start Code INV-NO Dummy data is required for this command CommandsReads the data with the specified communication number Block communication Computer InverterRFE03077BCR RFE03CRPage Communication There is no communication number that matches Transmission errorsFormat error Data transmission format does not match Broadcast communication function VF-AS1 Ascii mode Computer → Inverter Inverter → Computer Examples of the use of communication commandsFrom the computer H = 24d  trip status RFC90CRExamples of Communication programs Next =LENS$ For I=1 to LInput #1,B$ GotoPrint #1,B$ 160 T=TIMER COUNT=TIMER-TIf Count 0 then T=TIMER Page Text2.Text = Text1.Text = End Sub End IfMSComm1.Output = Text2.Text & Chr13 End Sub Inverter number  MODBUS-RTU protocolCRC Read commandMODBUS-RTU transmission format Blank Command 1 byte Write command5bytes Blank Command 1 byte Text size is 8 bytes fixed InverterCRC Generation Error codesBit counter = End Return CRCInter-drive communication Never use pin-7 P11 QWiring 4-wire RS485 communication） E6581315 QWiring 2-wire RS485 communicationPage Parameters relating to the slave side example =0.01% Proportional control of speed90.00Hz 45.00Hz Slave 100.00Hz 00%Slave 100.00Hz1 00% 80.00Hz 40.00HzINV-NO 1 byte Inverter number Transmission format for inter-drive communication0OFF Communication parametersMODBUS-RTU Inverter number Baud rate,  , Parity PC → INV „ Timer Time-out period Computer linkMaster INV To Slave INV INV → PC PC → INVUse this function for the following case Send waiting time , Free notes Communication commands commands from the computer Commands and monitoring from the computerPI OFF OFFForcibly braked Preliminary excitation Electric Power quantityBrake release B Braking answer BAWire RS485 communication FA32 „ FM analog output FA51 „ Terminal board output data FA50„ AM analog output FA52 Output terminal no Specified data outputUnit 0.01% N·m Monitoring from the computerRFD00CR RES „ Input terminal board status FD06, FE06Input terminal function selection 9 f119 BIT15„ Output terminal board status FD07, FE07 ST=ON ST=OFF „ Inverter operating status 1 FD01, FE01„ Inverter operating status 3 FD49, FE49 „ Inverter operating status 2 FD42, FE42Preset speed operation „ Inverter operating command mode status FD45, FE45„ Inverter operating frequency mode status FD46, FE46 Bit Specifications Remarks „ Alarm information monitor FC91„ Cumulative operation time alarm monitor FE79 E6581315 Model Data „ Inverter model capacity code FB05Utilizing panel LEDs and keys by communication LED setting by communicationParameter Name Range Setting „ Block Communication Function for LED Display Blank Ascii LED display data code 00H-1FH are blankFA10=1 Key utilization by communicationFA10=0 Parameter data ROM EEPPage FE02 Frequency command value 01Hz Alarm codeFE19 Torque command FE29 Input powerFE84 Binary input value option Tion FE80 Cumulative power on timeE6581315 FD50 Light-load high-speed torque 01% Can Appendix 1 Table of data codesSUB ESCResponse time „ Data transmission time Appendix 2 Response timeVF-A7 Appendix 3 Compatibility with the communication functionAppendix 4 Troubleshooting Appendix 5 Connecting for RS485 communication RXB RXATXA TXB