TECO F510 series - Page 409

4-320

Data Format Frame
 Data Frame for ASCII Mode
STX(3AH) Start Bit = 3AH
Address Hi
Communication Address (Station):
2-digit ASCII Code
Address Lo
Function Hi
Function Code (command):
2-digit ASCII Code
Function Lo
Command Start Address
Command Start Byte:
4-digit ASCII Code
Command Start Address
Command Start Address
Command Start Address
Data length
The length of the command:
4-digit ASCII Code
Data length
Data length
Data length
LRC Check Hi
LRC Check Code:
2-digit ASCII Code
LRC Check Lo
END Hi
End Bit:
END Hi = CR(0DH) , END Li = LF(0AH)
END Lo
 Data Frame for RTU Mode
Master (PLC etc.) sends request to follower (inverter), and the follower sends a response to the
master (PC, PLC). The data received is illustrated here.
The data length varies depending on the command (Function).
Node Address
Function Code
DATA
CRC CHECK
Signal Interval
** The inverter response time is 10ms.
 Node Address
00H: Broadcast to all the drivers
01H: to the No. 01 inverter
0FH: to the No.15 inverter
10H: to the No.16 inverter and so on...., max to No. 254 (FEH)
 Function Code
03H: Read the register contents
06H: Write a WORD to register
08H: Loop test
10H: Write several data to register (complex number register write)