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 purpose (750-472/000- 200, 750-474/000-200). The numerical format for 750-472/000-200 is equivalent to S5 463, 750-474/000-200 equivalent to S5 460/465.

Input current 4-20mA

32

31,99

20,5

20

16

12

8

4,0078

4

3,5

0

Binary value

0111 1111 1111 1

0111 1111 1111 0

0101 0010 0000 0

0101 0000 0000 0

0100 0000 0000 0

0011 0000 0000 0

0010 0000 0000 0

0001 0000 0000 1

0001 0000 0000 0

0000 1110 0000 0

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 1

0 0 0

0 0 0

0 0 0

0 0 0

0 0 0

0 0 0

0 1 1

0 0 0

Hex.

7F F9

7F F0

5200

5000

4000

3000

2000

1008

1000

0E 00

0000

Dec.

32761

32752

20992

20480

16384

12288

8192

4104

4096

3584

0

Status

42

0

0

0

0

0

0

0

0

0

0

LED

on

off

off

off

off

off

off

off

off

on

on

Analog￿￿￿￿￿￿￿￿Inputs 750-472, 474

4

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Quatech INTERBUS S manual The numerical format for Siemens