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Starting Address indicates the Starting Address for the data to be set. Word Count indicates the
number of data to be set, and Byte Count is twice the Word Count.
Example]
Writes data1[78hex] and data2[0xA] to the PT ratio [address 40053] and CT ratio [address 40054]
of the relay 1.
Slave address = 1, starting address = 34, word count = 2, byte count = 4, crc high = F1, crc low
= 56
Slave
Function
Starting Address
Word Count
Byte Count
Data Word1
01
10
00
34
00
02
04
00
78
Data Word2
Error Check
00
0A
F1
56
Response
Slave
Function
Starting Address
Word Count
Error Check
10
1 byte
1 byte
2 bytes
2 bytes
2 bytes
Example]
The response to the above request packet is as follows.
Slave
Function
Starting Address
Word Count
Error Check
01
10
00
34
00
02
00
06
Reserved Registers
In the address map section, there are reserved registers. When reading reserved registers, arbitrary
values are provided. When writing a specific value, the value is not applied.
Invalid Registers
When reading and writing the invalid register, exception response[exception code 02] is made.
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