INVT GD270-030-4 User Manual

Goodrive270 series VFD for fan and pump Communication
-276-
CRC CHK LSB
ADH
CRC CHK MSB
14H
END
T1-T2-T3-T4 (transmission time of 3.5 bytes)
9.4.4 Command code 10H, continuous writing
The command code 10H is used by the master to write data to the VFD. The quantity of data to be
written is determined by "Data quantity", and a maximum of 16 pieces of data can be written.
For example, to write 5000 (1388H) and 50 (0032H) respectively to 0004H and 0005H of the VFD
whose slave address is 02H, the frame structure is as follows.
RTU master command (from the master to the VFD)
START
T1-T2-T3-T4 (transmission time of 3.5 bytes)
ADDR
02H
CMD
10H
MSB of data writing address
00H
LSB of data writing address
04H
Data count MSB
00H
Data count LSB
02H
Number of bytes
04H
MSB of data to be written to 0004H
13H
LSB of data to be written to 0004H
88H
MSB of data to be written to 0005H
00H
LSB of data to be written to 0005H
32H
CRC LSB
C5H
CRC MSB
6EH
END
T1-T2-T3-T4 (transmission time of 3.5 bytes)
RTU slave response (from the VFD to the master)
START
T1-T2-T3-T4 (transmission time of 3.5 bytes)
ADDR
02H
CMD
10H
MSB of data writing address
00H
LSB of data writing address
04H
Data count MSB
00H
Data count LSB
02H
CRC LSB
C5H
CRC MSB
6EH
END
T1-T2-T3-T4 (transmission time of 3.5 bytes)

INVT GD270-030-4 Specifications

General

Brand	INVT
Model	GD270-030-4
Category	Water Pump
Language	English