3 data block of the sensors, Data block of the sensors – YSI IQ S ENSOR N ET Field bus linking User Manual

Page 28

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Communication with field buses

IQ S

ENSOR

N

ET

Field bus linking

26

ba76148e01

06/2013

4.2.3 Data block of the sensors

The data block contains the data of the sensors in the order of their reg-
istering on the IQ S

ENSOR

N

ET

(Sxx number).

The data of a sensor are stored in 8 registers each.

Modbus

Information

Data format

Register Bit

Data
type

Bit

Sen

sor S01

0001

1-8

Sensor number (S01)

Int 8

7-0

0001

9-16

Sensor status

Int 8

7-0

0002

1-16

Sensor model

Int 16

15-0

0003

1-16

Status info

Int 16

15-0

0004

1-8

Measuring mode

Int 8

7-0

0004

9-16

Measured value status

Int 8

7-0

0005

1-16

Main measured value (IEEE-754 floating point,
32-bit)

Float 32

31-16

0006

1-16

15-0

0007

1-16

Secondary measured value (IEEE-754 floating point,
32-bit)

Float 32

31-16

0008

1-16

15-0

Sen

sor S02

0009

1-8

Sensor number (S02)

Int 8

7-0

0009

9-16

Sensor status

Int 8

7-0

0010

1-16

Sensor model

Int 16

15-0

0011

1-16

Status info

Int 16

15-0

0012

1-8

Measuring mode

Int 8

7-0

0012

9-16

Measured value status

Int 8

7-0

0013

1-16

Main measured value (IEEE-754 floating point,
32-bit)

Float 32

31-16

0014

1-16

15-0

0015

1-16

Secondary measured value (IEEE-754 floating point,
32-bit)

Float 32

31-16

0016

1-16

15-0

Senso

r S

03

..

.

0017

1-8

Int 8

7-0

0018

9-16

Int 8

7-0

...

...

...

...

...

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