Delta Electronics VFD-E manual Revision June 2008, 04EE, SW--PW V1.11/CTL 123

Chapter 4 Parameters

Unsigned int crc_chk(unsigned char* data, unsigned char length){ 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;

}

3.5 Address list

The contents of available addresses are shown as below:

Content

AC drive

Parameters

Command Write only

Address Function

GGmeans parameter group, nn means parameter number, for example, the address of Pr 04.01 is 0401H. Refer to

GGnnH chapter 5 for the function of each parameter. When reading
	parameter by command code 03H, only one parameter can
	be read at one time.
		00B: No function
	Bit 0-1	01B: Stop
		10B: Run
		11B: Jog + Run
	Bit 2-3	Reserved
2000H		00B: No function
		01B: FWD
	Bit 4-5
		10B: REV
		11B: Change direction
	Bit 6-7	00B: Comm. forced 1st accel/decel
		01B: Comm. forced 2nd accel/decel
	Bit 8-15	Reserved

Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11 4-123