Mikster DLM-080 Manual do Utilizador descarregar pdf (Página 35)

The DLM-080 FUTURE Digital Recorder – User’s Manual

26.11.2004

Function 4 (Recorder Register Reading)

Master >>> Slave

Byte

number

Value / variable

Definition

1 ADDEV Slave address in the rs485 network (range

1..32)

2 04 (04h ) Function number

3 Adres_h (h) address of the beginning of currently

read out register block

4 Adres_l (l) address of the beginning of currently

read out register block

5 Długość_H

6 Długość_l

Number of two-byte registers

7 CRC_h

8 CRC_l

Control total CRC-16

Master <<< Slave

Byte

number

Value / variable

Definition

1 ADDEV Slave address in the rs485 network (range

0..31)

2 04 (04h ) Function number

3 ByteCNT Byte counter

4 Rej 0

5 rej 1

. . . . .

n+2 rej n

Block of data (registers) determined by start

address and data volume in a frame sent by

MASTER device

n+3 CRC_H

n+4 CRC_L

Control total

Gdhfghdf

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 47 48

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Mikster DLM-080 Manual do Utilizador Página 35