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Delta Electronics AC Motor Drive VFD-E User Manual

Page 172

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Chapter 4 Parameters|

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

4-119

Function 08H

Function 08H

00H

00H

Data address

00H

Data address

00H

17H

17H

Data content

70H

Data content

70H

CRC CHK Low

EEH

CRC CHK Low

EEH

CRC CHK High

1FH

CRC CHK High

1FH

(3) 08H: loop detection

This command is used to detect if the communication between master device (PC or PLC)

and AC motor drive is normal. The AC motor drive will send the received message to the

master device.

ASCII mode:

Command message:

Response message:

STX ‘:’

STX ‘:’

‘0’

‘0’

Address

‘1’

Address

‘1’

‘0’

‘0’

Function

‘8’

Function

‘8’

‘0’

‘0’

‘0’

‘0’

‘0’

‘0’

Data address

‘0’

Data address

‘0’

‘1’

‘1’

‘7’

‘7’

‘7’

‘7’

Data content

‘0’

Data content

‘0’

‘7’

‘7’

LRC Check

‘0’

LRC Check

‘0’

CR

CR

END

LF

END

LF