Delta Electronics AC Drive VFD-F Series Especificaciones descargar pdf (Pagina 95)

VFD-F Series

5-62

RTU mode:

Command message: Response message: Error response message

ADR 01H ADR 01H ADR 01H

CMD 10H CMD 1 10H CMD 1 90H

Data starting 05H Data starting 05H Error 02H

address 00H address 00H CRC CHK LOW CDH

Number of 00H Number of 00H CRC CHK HIGH C1H

data (Word) 02H data (Word) 02H

41HNumber of data

(Byte)

04 CRC CHK LOW

CRC CHK HIGH

04H

The first 13H

data 88H

The second 0FH

data A0H

CRC CHK LOW 4DH

CRC CHK HIGH D9H

3.4 CHK (check sum)

ASCII mode:

LRC (Longitudinal Redundancy Check) is calculated by summing up, module 256, and the

values of the bytes from ADR1 to last data character then calculating the hexadecimal

representation of the 2’s complement negation of the sum.

For example, reading 1 word from address 0401H of the AC drive with address 01H.

STX ‘:’

ADR 1 ‘0’

ADR 0 ‘1’

CMD 1 ‘0’

CMD 0 ‘3’

‘0’

‘4’

‘0’

Data starting

address

‘1’

‘0’

Number of data

‘1’

LRC CHK 1 ‘F’

LRC CHK 0 ‘6’

END 1 CR

END 0 LF

01H+03H+04H+01H+00H+01H=0AH, 2’s complement of 0AH is F6H.

1 2 ... 90 91 92 93 94 95 96 97 98 99 100 ... 189 190

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Delta Electronics AC Drive VFD-F Series Especificaciones Pagina 95

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