AutomationDirect DURAPULSE GS3-2010, User Manual

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5–71
Command code: 06H, write 1 word
For example, writing 6000(1770H) to address 0100H of the AC drive with address
01H.
ASCII mode:
RTU mode:
This is an example of using function code 16 for writing to multiple registers.
Command Message Response Message
ADR 01H ADR 01H
CMD 10H CMD 10H
Starting data
address
20H
Starting data
address
20H
00H 00H
Number of registers
00H
Number of data
(Count by word)
00H
02H 02H
Byte count 04H
CRC CHK Low
CRC CHK High
4AH
Content of data
address 2000H
00H 08H
02H
Content of data
address 2001H
02H
58H
CRC CHK Low
CRC CHK High
CBH
34H
Command Message Response Message
STX ':' STX ':' ':'
ADR 1
ADR 0
'0'
ADR 1
ADR 0
'0'
'1' '1'
CMD 1
CMD 0
'0'
CMD 1
CMD 0
'0'
'6' '6'
Data Address
'0'
Data Address
'0'
'1' '1'
'0' '0'
'0' '0'
'1'
Data Content
'1'
'7' '7'
'7' '7'
'0' '0'
LRC CHK 1
LRC CHK 0
'7'
LRC CHK 1
LRC CHK 0
'7'
'1' '1'
END 1
END 0
CR
END 1
END 0
CR
LF LF
Chapter 5:
DURA
PULSE MODBUS Communications
DURA
PULSE AC Drive User Manual 1st Ed. Rev. D 05/2013