Toshiba RS485, VF-AS1 Series instruction manual Modbus-Rtu

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							E6581315

Com-
munica-	Title	Function	Adjustment range	Unit	Default	Valid	Reference
tion	Title	Function	Adjustment range	Unit	setting	Valid	Reference
tion					setting
Number.
			0:Slave (issues a 0Hz command if some-
			thing goes wrong with the master)
			1:Slave (continues operation if something
		Inverter-to-inverter	goes wrong with the master)
		Inverter-to-inverter	2:Slave (trips for emergency stop if
0826		communication	something goes wrong with the master)	-	0	After reset.	Chapter 6
0826		setting (4-wire	something goes wrong with the master)	-	0	After reset.	Chapter 6
		RS485)	3:Master (sends a frequency command)
		RS485)	4:Master (sends an output frequency)
			4:Master (sends an output frequency)
			5.Master (sends a torque command)
			6.Master (sends an output torque com-
			mand)
0829		Protocol selection	0: TOSHIBA	-	0	After reset.	Chapter 3
0829		(4-wire RS485)	1: MODBUS-RTU	-	0	After reset.	Chapter 3
0870		Block write data 1	0: Deselect
0870		Block write data 1	1: Command information 1 (FA00)


			2: Command information 2 (FA20)
			3: Frequency command (FA01)	-	0	After reset.	Section
0871		Block write data 2	4: Terminal board output data	-	0	After reset.	4.1.3
			4: Terminal board output data				4.1.3
			(FA50)
			(FA50)
			5: Communication analog data
			(FA51)
0875		Block read data 1	0: Deselect
0875		Block read data 1	1: Status information (FD01)

0876		Block read data 2
0876		Block read data 2	2: Output frequency (FD00)
			3: Output current (FD03)
0877		Block read data 3	3: Output current (FD03)
0877		Block read data 3	4: Output voltage (FD05)
0878		Block read data 4	5: Alarm information (FC91)
0878		Block read data 4	6: PID feedback value (FD22)


			7: Input terminal board monitor (FD06)
			8: Output terminal board monitor (FD07)
			9: VI/IIterminal board monitor (FE36)	-	0	After reset.	Section
			10: RR/S4 terminal board monitor (FE35)	-	0	After reset.	4.1.3
			10: RR/S4 terminal board monitor (FE35)				4.1.3
			11:RX terminal board monitor (FE37)
0879		Block read data 5	12:Input voltage (DC detection) (FD04)
0879		Block read data 5	13:Speed feedback frequency (FD16)
			14:Torque (FD18)
			15:MY monitor 1 (FE60)
			16:MY monitor 2 (FE61)
			17:MY monitor 3 (FE62)
			18:MY monitor 4 (FE63)
			19:Free notes (F880)
0880		Free notes	0-65535	1	0	Real time	Section 7.5

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Contents Tosvert VF-AS1 Series RS485 Communication Function E6581315②Read first Safety precautions E6581315Contents General outlines of the communication function BIT15 BIT8BIT7 BIT0Bit Word Data transmission specifications BIT2Communication protocol About the handling of received framesMOUBUS-RTU Binary mode 2FH Toshiba Inverter ProtocolINV-NO CMD Data transmission format used in Ascii modeData transmission format Data5bytes Blank 28H Bytes Checksum areaINV-NO Data SUMData transmission format used in binary mode Byte Bytes Command receivedReturned for the 57H W and 50H P commands Sum 1 bytes Checksum not omissible 00H to FFHNorn 2FH Byte 4EH6EH BytesTransmission format of Block Communication Page Bytes Blank Start Code INV-NO Reads the data with the specified communication number CommandsDummy data is required for this command Block communication Computer InverterRFE03CR RFE03077BCRPage Transmission errors Format error Data transmission format does not matchCommunication There is no communication number that matches Broadcast communication function VF-AS1 From the computer H = 24d  trip status Examples of the use of communication commandsAscii mode Computer → Inverter Inverter → Computer RFC90CRExamples of Communication programs Input #1,B$ =LENS$ For I=1 to LNext Goto160 T=TIMER COUNT=TIMER-T If Count 0 then T=TIMERPrint #1,B$ Page End If MSComm1.Output = Text2.Text & Chr13 End SubText2.Text = Text1.Text = End Sub MODBUS-RTU protocol Inverter number Read command MODBUS-RTU transmission formatCRC 5bytes Blank Command 1 byte Write commandBlank Command 1 byte Text size is 8 bytes fixed InverterBit counter = Error codesCRC Generation 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 100.00Hz1 00% Slave 100.00Hz 00% 90.00Hz 45.00Hz 80.00Hz 40.00HzTransmission format for inter-drive communication INV-NO 1 byte Inverter numberCommunication parameters 0OFFMODBUS-RTU Baud rate,  , Parity  Inverter numberMaster INV To Slave „ Timer Time-out period Computer linkPC → INV INV INV → PC PC → INVSend waiting time ,  Free notesUse this function for the following case PI OFF Commands and monitoring from the computerCommunication commands commands from the computer OFFBrake release B Electric Power quantityForcibly braked Preliminary excitation Braking answer BAWire RS485 communication FA32 „ AM analog output FA52 „ Terminal board output data FA50„ FM analog output FA51 Output terminal no Specified data outputMonitoring from the computer RFD00CRUnit 0.01% N·m Input terminal function selection 9 f119 „ Input terminal board status FD06, FE06RES 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, FE49„ Inverter operating command mode status FD45, FE45 „ Inverter operating frequency mode status FD46, FE46Preset speed operation „ Alarm information monitor FC91 „ Cumulative operation time alarm monitor FE79Bit Specifications Remarks E6581315 „ Inverter model capacity code FB05 Model DataLED setting by communication Parameter Name Range SettingUtilizing panel LEDs and keys by communication „ Block Communication Function for LED Display Ascii LED display data code 00H-1FH are blank BlankKey utilization by communication FA10=0FA10=1 Parameter data EEP ROMPage FE19 Torque command Alarm codeFE02 Frequency command value 01Hz FE29 Input powerTion FE80 Cumulative power on time E6581315 FD50 Light-load high-speed torque 01%FE84 Binary input value option SUB Appendix 1 Table of data codesCan 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 TXA RXARXB TXB