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Siemens S5-135U/155U User Manual

Page 474

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9-92

System Manual

C79000-G8576-C199-06

Shown in the following tables is the representation of the measured value as
a function of the selected measuring range.

Units

Measured

Value in V

Measured

Value in V

Measured

Value in V

Byte 0 *

Byte 1 *

Value in V

(0 - 5 V)

Value in V

(0 - 10 V)

Value in V

(0 - 20 mA)

7
2

12

6
2

11

5
2

10

4
2

9

3
2

8

2
2

7

1
2

6

0
2

5

7
2

4

6
2

3

5

2

2

4

2

1

3

2

0

2

A

1

E

0

O

4095
4094
:
0001
0000

4.9988

4.9976

:

0.0012
0.0000

9.9976
9.9951

:

0.0024
0.0000

19.9951
19.9902

:

0.00488
0.00000

0
0

0
0

1
1

0
0

1
1

0
0

1
1
:
0
0

1
1

0
0

1
1

0
0

1
1

0
0

1
1

0
0

1
1

0
0

1
1

0
0

1
1

0
0

1
1

0
0

1
0
:
1
0

0
0

0
0

0
0

0
0

1
0

0
1

*

Same representation for the data formats:
two’s complement, value and sign, binary representation.

A = Active bit
E = Error bit
O = Overflow bit

Units

Measured

Value in V

Measured

Value in V

Measured

Value in V

Byte 0 *

Byte 1 *

Value in V

(

$

5 V)

Value in V

(

$

10 V)

Value in V

(

$

20 mA)

7
2

12

6
2

11

5
2

10

4
2

9

3
2

8

2
2

7

1
2

6

0
2

5

7
2

4

6
2

3

5

2

2

4

2

1

3

2

0

2

A

1

E

0

O

2047
2046
:
0001
0000
–0001
:
–2047
–2048

4.9976

4.9951

:

0.0024
0.0000
–0.0024

:

–4.9976
–5.0000

9.9951

9.9902

:

0.0049
0.0000
–0.0049

:

–9.9951
–10.000

19.9902

19.9804

:

0.00976
0.00000
–0.00976

:

–19.9902
–20.0000

0
0

0
0
1

1
1

0
0

0
0
1

1
1

1
1

0
0
1

0
0

1
1
:
0
0
1
:
0
0

1
1

0
0
1

0
0

1
1

0
0
1

0
0

1
1

0
0
1

0
0

1
1

0
0
1

0
0

1
1

0
0
1

0
0

1
1

0
0
1

0
0

1
1

0
0
1

0
0

1
1

0
0
1

0
0

1
0
:
1
0
1
:
1
0

0
0

0
0
0

0
0

0
0

0
0
0

0
0

1
0

0
0
0

0
1

A = Active bit
E = Error bit
O = Overflow bit

Measuring Range
0-20 mA, 0-5 V and
0-10 V; Unipolar

Two’s
Complement;
Measuring Range

5 V,

20 mA

and

10 V;

Bipolar

Analog Input/Output Modules