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CD Automation
1.9 Preset Multiple Registers
This function could write maximum 25 parameters for each message.
The message is composed by:
•
one Byte for the address
•
one for the function (10 Hex)
•
two Byte for first parameter address to write
•
two Bytes for the N° of parameters
•
one Byte with the number of following Bytes
•
values to write, two Byte for the CRC:
Address
Function
Unit
16
10Hex
→
→
The answer is an echo of the first two Byte (address and function), two Byte for first written
parameter, two Byte with the N° of parameters, fixed to 1 (0001 Hex), two Byte for the CRC.
Address
Function
Unit
16
10Hex
1.10 Preset single register
This function writes a single Modbus paramter.
The message is composed by 8 Bytes:
•
one Byte for the address,
•
one for the function (6 Hex),
•
two Bytes for the parameter address to write
•
two bytes for the value to write
•
two Bytes for the CRC
Address
Function
Unit
6
6Hex
The normal response is a complete echo of the received message.
Communication Manual
(function 16/ 10Hex)
Address of the
First Parameter
HI
LO
First value
To write
HI
LO
Address of the
First Parameter
HI
LO
(function 06/ 06Hex)
Address of the
First Parameter
HI
LO
N° of the
N° of
Parameter
Byte
HI
LO
2
Last value
To write
HI
LO
N° of the
Parameter
0
1
Value to Write
HI
LO
Revo C
Value to
→
write
HI
LO
→
CRC 16
LO
HI
CRC 16
LO
HI
CRC 16
LO
HI
9
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