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Chapter 7 Detailed Explanations of Functional Parameters
unsigned int crc_chk (unsigned char*data, unsigned char length)
{
int j;
unsigned int reg_crc=OXffff;
while( 1ength--) {
reg_crc^=*data ;
for (j = 0; j<8; j ) {
if (reg_crc & Ox01) { /*LSB (b0) =1 */
reg_ere= (reg_crc>>1) ^OXa001;
}else{
reg_cre=reg_crc>>1;
}
}
retum reg_crc; //Finally feedback the value of CRC temporary storage
}
7-9 Advanced application parameters
P800
Advanced application parameter lock Initial value: 1
Setting range
0 – 1
Unit
1
content
0: Lock
1: Unlock
If P800 is set to “0”,you can not use the advanced parameters.
P801
System 50Hz/60Hz selection Initial value: 0
Setting range 0 – 1
Unit
1
content
0: 50Hz
1: 60Hz
50Hz/60Hz system could be set via the parameter according the
condition of electric network.
P802
constant and variable torque selection Initial value : 0
Setting range
0 – 1
Unit
1
content
0: Constant torque
1: Variable torque