GT610/GT620 Series High Performance Servo Driver User Manual
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Function code
03H
1 Byte
Register address
High 8 bits of address
2 Bytes
Low 8 bits of address
Register number (N)
High 8 bits
2 Bytes
Low 8 bits
CRC check code
Low 8 bits
2 Bytes
Note: Low 8 bits for
check are in the front.
High 8 bits
Response information frame format:
Slave A 03H + Bytes Occupied by Data (N*2) + Register Value + CRC CHK
Length: 2 bytes
Length: 1 byte
Length: 1 byte
Length: 1 byte
Length: N*2 bytes
Slave Address
1~31 (Decimal)
1 Byte
Function code
03H
1 Byte
Byte
number (N*2)
occupied by data
Register number *2
1 Byte
Register value
High 8 bits
N*2 bytes
Low 8 bits
CRC check code
Low 8 bits
2 Bytes
Note: Low 8 bits of check
code are in the front.
High 8 bits
For example: Read parameter value from an internally set parameter 0005H (D
-
04)
with a driver address of 01H: