Shihlin electric SDP Series, Manual

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{
if( reg_crc & 0x01 ) /*LSB(bit 0 ) = 1 */
reg_crc = (reg_crc >> 1)^0xA001;
else
reg_crc = (reg_crc>>1);
}
}
return reg_crc;
}
(c)
Function code and error code.
The function code and error code of the servo drive is introduced as follows:
Function code Description
03H Read parameter
04H Read-only parameter(Read-only)
06H Write one single parameter
10H Write multiple parameter
Function code 03H indicates reading parameter, the maximum allowable parameter in one
single access is 29.
Function code 04H indicates accessing the read-only parameter, the maximum allowable
parameter in one single access is 29.
Function code 06H indicates writing a single parameter.
Function code 10H indicates writing multiple parameters, and the maximum allowance
parameter in one single access is 10.
Error code Description
01 Function code error
02 Parameter address error
03 Parameter range error
Error code 01H indicates the received function code is wrong.