Communication
2.3 Modbus communication
SIMOCODE pro - Communication
Function Manual, 11/2018, A5E40508495002A/RS-AC/003
107
Slave
address
Function
code
Start
address
read
operation
Number
of
registers
(read
access)
Start
address
write
operation
Number
of
register
N (write
access)
Number
of bytes
(write
access)
Data
(write
access)
CRC
0x10 0x17 0x04 0x00 0x0004 0x00
0x00
0x02 0x00
Note
"Read/Write Multiple Registers" function
The "Read/Write Multiple Registers" function cannot be used for writing parameter values via
Modbus.
Writing of parameter values results in an execution time in SIMOCODE for writing
parameters to the internal memory during wh
ich this SIMOCODE cannot respond to a
communication request and/or the command "Read/Write Multiple Registers" cannot be
concluded.
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