Delta C2000 Series User Manual page 406

{
int j;
unsigned int reg_crc=0Xffff;
while(length--){
reg_crc ^= *data++;
for(j=0;j<8;j++){
if(reg_crc & 0x01){ /* LSB(b0)=1 */
reg_crc=(reg_crc>>1) ^ 0Xa001;
}else{
reg_crc=reg_crc >>1;
}
}
}
return reg_crc;
}
Content
AC drive parameters
Command write only
Chapter 12 Description of Parameter Settings
// return register CRC
Register
GGnnH GG means parameter group, nn means parameter number, for
example, the address of Pr 4-01 is 0401H.
2000H 00B No function
Bit1~0
01B Stop
10B Run
11B JOG+RUN
Bit3~2 Reserved
00B No function
Bit5~4
01B FWD
10B REV
11B Change direction
00B 1st accel/decel.
Bit7~6
01B 2nd accel/decel
10B 3rd accel/decel
11B 4th accel/decel
Bit11~8 000B: master speed
0001B: 1st
0010B: 2nd
0011B: 3rd
0100B: 4th
0101B: 5th
0110B: 6th
0111B: 7th
1000B: 8th
1001B: 9th
1010B: 10th
1011B: 11th
1100B: 12th
12.1-09-8
Function
Step Speed Frequency
Step Speed Frequency
Step Speed Frequency
Step Speed Frequency
Step Speed Frequency
Step Speed Frequency
Step Speed Frequency
Step Speed Frequency
Step Speed Frequency
Step Speed Frequency
Step Speed Frequency
Step Speed Frequency