Panasonic GT12

10-5
Function code
Function code 03 (Read Holding Registers)
Command
GT unit No.
Function
code
03H
Starting
No.
(Higher)
Starting
No.
(Lower)
No. of read
00(H)
No. of read
01(H)
Error check
(Higher)
Error check
(Lower)
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
Response
GT unit No.
Function
code
03H
No. of data
02(H)
Data
(Higher)
Data
(Lower)
Error check
(Higher)
Error check
(Lower)
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
Function code 06 (Write to Single Holding Register)
Command
GT unit No.
Function
code
06H
No.
(Higher)
No.
(Lower)
Write data
(Higher)
Write data
(Lower)
Error check
(Higher)
Error check
(Lower)
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
Response
GT unit No.
Function
code
06H
No.
(Higher)
No.
(Lower)
Write data
(Higher)
Write data
(Lower)
Error check
(Higher)
Error check
(Lower)
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte