TEC TECDrive20-EU Series - ASCII Mode

TECDrive20-EU Series Inverter Communication protocol
-125-
CMD
10H
High bit of write data
00H
Low bit of write data
04H
High bit of data number
00H
Low bit of data number
02H
Low bit of CRC
C5H
High bit of CRC
6EH
END
T1-T2-T3-T4 (transmission time of 3.5 bytes)
7.3.2 ASCII mode
7.3.2.1 Command code 03H (0000 0011), reading N words (N ≤ 16)
For instance: As for the inverter whose slave address is 01H, the starting address of internal
storage is 0004, read two words continuously, the structure of this frame is listed as below:
ASCII master command message (the
command sent from the master to the
inverter
ASCII slave response message (the
message sent from the inverter to the
master)
START
':'
START
':'
ADDR
'0'
ADDR
'0'
'1'
'1'
CMD
'0'
CMD
'0'
'3'
'3'
High bit of starting address
'0'
Byte number
'0'
'0'
'4'
Low bit of starting address
'0'
High bit of data address 0004H
'1'
'4'
'3'
High bit of data number
'0'
Low bit of data address 0004H
'8'
'0'
'8'
Low bit of data number
'0'
High bit of data address 0005H
'0'
'2'
'0'
LRC CHK Hi
'F'
Low bit of data address 0005H
'0'
LRC CHK Lo
'6'
'0'
END Hi
CR
LRC CHK Hi
'5'
END Lo
LF
LRC CHK Lo
'D'
END Hi
CR
END Lo
LF