Toshiba RS485, VF-AS1 Series instruction manual

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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)

<Binary mode>
Master inverter → Slave inverter	Slave inverter → Master inverter
2F 53 FA 01 13 88 18	No return

X(58H)/Y (59H) (Block Communication Command)

Data selected in the block communication write parameters (,) is written in the RAM. When returning data, data selected in block communication read parameters ( to ) is read and is returned.

For detail, see "4.1.3. Transmission format of Block Communication ".

- Examples: 60Hz operation command from communication and monitoring (Monitoring when al- ready operating at 60Hz)

(Parameter Setting:  = , = ,  = ,  = ,  = ,  = , = )

<Binary mode>
Computer → Inverter	Inverter → Computer
2F 58 02 05 C4 00 17 70 D9	2F 59 05 00 64 00 17 70 1A 8A 24 FD 00 00 3D

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Contents Tosvert VF-AS1 Series RS485 Communication Function E6581315②Read first Safety precautions E6581315Contents Bit Word General outlines of the communication functionBIT15 BIT8BIT7 BIT0 Data transmission specifications BIT2MOUBUS-RTU Communication protocolAbout the handling of received frames Binary mode 2FH Toshiba Inverter ProtocolData transmission format used in Ascii mode Data transmission formatINV-NO CMD Data5bytes Blank 28H Bytes Checksum areaINV-NO Data SUMData transmission format used in binary mode Command received Returned for the 57H W and 50H P commandsByte Bytes Sum 1 bytes Checksum not omissible 00H to FFHNorn 2FH Byte 4EH6EH BytesTransmission format of Block Communication Page Bytes Blank Start Code INV-NO Commands Dummy data is required for this commandReads the data with the specified communication number Block communication Computer InverterRFE03CR RFE03077BCRPage Communication There is no communication number that matches Transmission errorsFormat error Data transmission format does not match Broadcast communication function VF-AS1 Examples of the use of communication commands Ascii mode Computer → Inverter Inverter → ComputerFrom the computer H = 24d  trip status RFC90CRExamples of Communication programs =LENS$ For I=1 to L NextInput #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 MODBUS-RTU protocol Inverter number CRC Read commandMODBUS-RTU transmission format Write command Blank Command 1 byte5bytes Blank Command 1 byte Text size is 8 bytes fixed InverterError codes CRC GenerationBit counter = End Return CRCInter-drive communication E6581315 QWiring 2-wire RS485 communication Never use pin-7 P11 QWiring 4-wire RS485 communication）Page Parameters relating to the slave side example Proportional control of speed =0.01%Slave 100.00Hz 00% 90.00Hz 45.00HzSlave 100.00Hz1 00% 80.00Hz 40.00HzTransmission format for inter-drive communication INV-NO 1 byte Inverter numberCommunication parameters 0OFFMODBUS-RTU Baud rate,  , Parity  Inverter number„ Timer Time-out period Computer link PC → INVMaster INV To Slave INV INV → PC PC → INVUse this function for the following case Send waiting time , Free notes Commands and monitoring from the computer Communication commands commands from the computerPI OFF OFFElectric Power quantity Forcibly braked Preliminary excitationBrake release B Braking answer BAWire RS485 communication FA32 „ Terminal board output data FA50 „ FM analog output FA51„ AM analog output FA52 Output terminal no Specified data outputUnit 0.01% N·m Monitoring from the computerRFD00CR „ Input terminal board status FD06, FE06 RESInput terminal function selection 9 f119 BIT15„ Output terminal board status FD07, FE07 „ Inverter operating status 1 FD01, FE01 ST=ON ST=OFF„ Inverter operating status 2 FD42, FE42 „ Inverter operating status 3 FD49, FE49Preset 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 „ Inverter model capacity code FB05 Model DataUtilizing panel LEDs and keys by communication LED setting by communicationParameter Name Range Setting „ Block Communication Function for LED Display Ascii LED display data code 00H-1FH are blank BlankFA10=1 Key utilization by communicationFA10=0 Parameter data EEP ROMPage Alarm code FE02 Frequency command value 01HzFE19 Torque command FE29 Input powerFE84 Binary input value option Tion FE80 Cumulative power on timeE6581315 FD50 Light-load high-speed torque 01% Appendix 1 Table of data codes CanSUB ESCAppendix 2 Response time Response time „ Data transmission timeAppendix 3 Compatibility with the communication function VF-A7Appendix 4 Troubleshooting Appendix 5 Connecting for RS485 communication RXA RXBTXA TXB