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Burkert Type 8717 User Manual

Page 77

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77

Starting up the Modbus

8.3.3.

input register

These 16-bit values can be read by the master.

Valid commands

code

name

Broadcast

0x04

Read Input Register

No

Valid addresses

see below
input register of list 0 (default)

register
address in
mfc

number of
registers

Designation / Description

r/w

format

0001

1

data Unit

Calibrated device unit

Min. value 2048, max. value 4103

List of the units see “9.2. Table of units”

R

UINT16

0002

1

Actual Flow
Actual value (x) / value in units per thousand of the active gas

Min. value -2000, max. value 2000

R

SINT16

0003…0004 2

Actual Flow
Actual value as float

Unit see: Input Register → “data Unit”

min value -3.39E+38, max value 3.39E38

R

FLOAT32

0005

1

Status errors
Error conditions / bit field for device errors.
see “9.1.2. Bit field ERRORS”

min value -3.39E+38, max value 3.39E3

R

UINT16

0006

1

Status limits
Status limits / Bit field for the status of device-internal
threshold value
see “9.1.1. Bit field LIMITS”

min. value 0, max. value 65535

R

UINT16

0007

1

Control output to valve (y2)
for MFC only. control output y2 of controller in units per
thousand

Min. value 0, max. value 1000

R

UINT16

0008…0009 2

Flow Full Scale

Unit see: Input Register → “data Unit”

min. value 0, max. value 1.00E+39

R

FLOAT32

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MFC Family