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

26.11.2004

MODBUS RTU

The DLM-080 digital recorder communicates with master systems through two-wire serial

link (RS-485) using two transmission protocols: MIKSTER-BUS (protocol used in-house

by MIKSTER) and MODBUS RTU.

MODBUS RTU FRAME

T1 T2 T3 Device

Address

Function Data Control

Total

CRC-16

T1 T2 T3

8 bit 8 bit n x 8 bit 16 bit

Functions available from the DLM-080 recorder using the MODBUS protocol:

Function

number

Definition

Reserved

4 Readout of DLM-080 records

5..64

Reserved

65 RTC clock setting in the DLM-080

66 Setting of highlighted measure using the DLM-080 keyboard

67 Transmission of SETUP settings to the DLM-080

68 Clearing of recording buffer

69..255

Reserved

Sdfgsdfgsd

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 47 48

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Mikster DLM-080 Manuale Utente Pagina 34