Vega VEGAPULS 66 (≥ 2.0.0 - ≥ 4.0.0) standpipe ver. Mod Bedienungsanleitung PDF herunterladen (Seite 49)

11 Supplement

VEGAPULS 66 standpipe version • Modbus and Levelmaster protocol

41367-EN-121011

(4 bytes) according to IEEE 754 are transmitted with individually selectable order of the data bytes

(byte transmission order). This "Byte transmission order" is determined in the parameter "Format

Code". Hence the RTU knows the registers of the VEGAPULS 66 which must be contacted for the

variables and status information.

Format Code Byte transmission order

0 ABCD

1 CDAB

2 DCBA

3 BADC

11.3 Modbus register

11.3 Holding Register

The Holding registers consist of 16 bit. They can be read and written. Before each command, the

address (1 byte), after each command, a CRC (2 byte) is sent.

ber

Type Congurable

Values

Default Value Unit

Address 200 Word 1 … 255 246 -

Baud Rate 201 Word 1200, 2400,

4800, 9600,

19200

9600 -

Parity 202 Word 0 = None, 1 =

Odd, 2 = Even

0 -

Stopbits 203 Word 1 = None, 2 =

Two

1 -

Delay Time 206 Word 10 … 250 50 ms

Byte Oder (Float-

ing point format)

3000 Word 0, 1, 2, 3 0 -

11.3 Input register

The input registers consist of 16 bits. They can only be read out. Before each command, the ad-

dress (1 byte) is sent, after each command a CRC (2 bytes) is sent.

PV, SV, TV and QV can be adjusted via the sensor DTM.

Status 100 DWord Bit 0: Invalid Measurement Value PV

Bit 1: Invalid Measurement Value SV

Bit 2: Invalid Measurement Value TV

Bit 3: Invalid Measurement Value QV

PV Unit 104 DWord Unit Code

PV 106 Primary Variable in Byte Order CDAB

SV Unit 108 DWord Unit Code

SV 110 Secondary Variable in Byte Order CDAB

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 67 68

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