Quatech INTERBUS S manual The numerical format for Siemens

Models: INTERBUS S

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The numerical format for Siemens

In addition to the full 16 bit indication of the measured value it is possible to use the ‘Siemens format’. The measured value is represented by the most significant 12 Bits. The 3 least significant Bits are reserved for diagnostic and status purposes. (750- 465/000-001).

Input current 0-20mA

>20,5

20

10

5

2,5

1,25

0,625

0,0976

0

Binary value

0100 0000 0000 0

0100 0000 0000 0

0010 0000 0000 0

0001 0000 0000 0

0000 1000 0000 0

0000 0100 0000 0

0000 0010 0000 0

0000 0000 0000 1

0000 0000 0000 0

X : without meaning

F : short circuit or

F : open circuit

Ü: overflow

X F Ü

0 0 1

0 0 0

0 0 0

0 0 0

0 0 0

0 0 0

0 0 0

0 0 0

0 0 0

Hex.

4001

4000

2000

1000

0800

0400

0200

0008

0000

Dec.

16385

16384

8192

4096

2048

1024

512

8

0

Status

42

0

0

0

0

0

0

0

0

LED

on

off

off

off

off

off

off

off

off

Analog￿￿￿￿￿￿￿￿Inputs 750-465,466,486

4

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Page 86
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Quatech INTERBUS S manual The numerical format for Siemens