Simphoenix DL100 Series - Page 71

DL100 Series Universal Low-Power Inverter
MODBUS Protocol 63
Slave machine response:
PDU PART
06
Register initial address
Register data
High
Low
High
Low
Data length(Byte)
1
1
1
1
1
(3) Function code 10: Rewrite operation command, running frequency and
functional parameter of multiple inverters.
Sent by main machine:
PDU PART
10
Register initial
address
Number of
registers
Content
byte
count
Register
content
High
Low
High
Low
Data length(Byte)
1
1
1
1
1
1
2*Number
of registers
Slave machine response:
PDU PART
10
Register initial address
Number of registers
High
Low
High
Low
Data length(Byte)
1
1
1
1
1
Notice: the inverter starts to store data from the register with lowest address to
that with the highest address, and 6 function codes can be saved at most in one
time; in case of identifying some error, the slave machine will make objection
response.
Objection response:
Objection code indicates error category:
Objection code
Corresponding error
01
Illegal function code
02
Illegal data address
03
Overhanging data
04
Invalid operation of slave machine
20
Too much read-write parameters
21
Reserve read-write, implicit parameter
22
Slave machine running forbids modifying data
23
Data modification is protected by password
24
Failure in read-write parameter
PDU PART
0x80＋Function code
Objection code
Data length(Byte)
1
1