Contents
Main
Read first Safety precautions
Notice
Contents
1. General outlines of the communication function
2. Data transmission specifications
3. Communication protocol
3.1.
4. TOSHIBA Inverter Protocol
4.1. Data transmission format
4.1.1. Data transmission format used in ASCII mode
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4.1.2. Data transmission format used in binary mode
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4.1.3. Transmission format of Block Communication
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4.2. Commands
W (57H) (RAM*1 /EEPROM*2 write)
Notice
P (50H) (RAM*1 write)
R (52H) (Data read)
G (47H) (Data read)
S (53 H)/ s (73 H) Inter-drive communication command(RAM*1 Write)
X(58H)/Y (59H) (Block Communication Command)
4.3. Transmission errors
4.4. Broadcast communication function
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4.5. Examples of the use of communication commands
4.6. Examples of Communication programs
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5. MODBUS-RTU protocol
Inverter number (
5.1. MODBUS-RTU transmission format
5.1.1. Read command (03)
5.1.2. Write command (06)
Note
5.2. CRC Generation
5.3. Error codes
6. Inter-drive communication
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QWiring (2-wire RS485 communication)
* Never use pin-7 (P11). QWiring (4-wire RS485 communication)
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6.1. Proportional control of speed
fcsideMaster (%)fc 10000
10000
FHsideSlave(%)datareceiveSlave )Hz(fc
=
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6.2. Transmission format for inter-drive communication
Specify FA01 for two-wire RS485 communication. Specify FA05 for four-wire RS485 communication.
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7. Communication parameters
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7.1. Baud rate(, ) , Parity ()
7.2. Inverter number()
7.3.
f804
Communication time-out action (
),
(
Send waiting time (, )
Computer link PC INV
INVPC Inter-drive communication
7.5. Free notes()
8. Commands and monitoring from the computer
8.1. Communication commands (commands from the computer)
Communication command2 (Communication Number : FA20, FA22)
Frequency setting from the computer Communication Number: FA01, FA05
Torque command setting from the computer 2-wire RS485 communication: FA30,
4-wire RS485 communication: FA32
Terminal board output data (FA50)
FM analog output (FA51)
AM analog output (FA52)
8.2. Monitoring from the computer
Monitoring of the output frequency from the computer (FD00, FE00)
Monitoring of the output current with the computer (FD03, FE03)
Input terminal board status (FD06, FE06)
Output terminal board status (FD07, FE07)
Monitoring of the analog input with the computer (FE35 to FE39)
Inverter operating status 1 (FD01, FE01)
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, FE46)
Alarm information monitor (FC91)
Cumulative operation time alarm monitor (FE79)
Trip code monitor (current status: FC90: historic records: FE10 to FE13)
Inverter model (capacity) code (FB05)
8.3. Utilizing panel (LEDs and keys) by communication
8.3.1. LED setting by communication
Block Communication Function for LED Display
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ASCII LED display data code (00H-1FH are blank.)
8.3.2. Key utilization by communication
KPP EASY ENT MODE DOWN UP STOP RUN
- EASY ENT MODE DOWN UP STOP RUN
KPP EASY ENT MODE DOWN UP STOP RUN
9. Parameter data
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Appendix 1 Table of data codes
Appendix 2 Response time
Appendix 3 Compatibility with the communication function
of the VF-A7
Notice
Appendix 4 Troubleshooting
-I s -
Appendix 5 Connecting for RS485 communication