Siemens S5-135U/155U System Manual page 475

Value and sign; measuring range
Units Measured Measured
Value in V Value in V Value in V Value in V
( 5 V) ( 10 V)
2047 4.9976 9.9951
2046 4.9951 9.9902
: : :
0001 0.0024 0.0049
0000 0.0000 0.0000
–0001 –0.0024 –0.0049
: : :
–2047 –4.9976 –9.9951
–2048 –5.0000 –10.000
A = Active bit
E = Error bit
O = Overflow bit
Binary; measuring range
Units Measured Measured
Value in V Value in V Value in V Value in V
( 5 V) ( 10 V)
4095 4.9976 9.9951
4094 4.9951 9.9902
: : :
2049 0.0024 0.0049
2048 0.0000 0.0000
2047 –0.0024 –0.0049
: : :
0001 –4.9976 –9.9951
0000 –5.0000 –10.000
A = Active bit
E = Error bit
O = Overflow bit
Measuring range 0-1.25 V and 0-2.5 V; unipolar
Units Measured Measured
Value in V Value in V Value in V Value in V
(0 - 1.25 V) (0 - 2.5 V)
4095 1.2497 2.4994
4094 1.2494 2.4988
: :
0001 0.0003 0.0006
0000 0.0000 0.0000
*
A = Active bit
E = Error bit
O = Overflow bit
System Manual
C79000-G8576-C199-06
Measured
Value in V Value in V
7 6 5
( 20 mA)
12 11 10
2 2 2
19.9902 0 0 1
19.9804 0 0 1
:
0.00976 0 0 0
0.00000 0 0 0
–0.00976 1 0 0
:
–19.9902 1 0 1
–20.0000 1 1 0
5 V,
Measured
Value in V Value in V
7 6 5
( 20 mA)
12 11 10
2 2 2
19.9902 0 1 1
19.9804 0 1 1
:
0.00976 0 1 0
0.00000 0 1 0
–0.00976 0 0 1
:
–19.9902 0 0 0
–20.0000 0 0 0
Byte 0
7 6 5 4 3
12 11 10 9
2 2 2 2 2
0 1 1 1 1
0 1 1 1 1
: :
0 0 0 0 0
0 0 0 0 0
Same representation for the data formats:
two's complement, value and sign, binary representation.
Analog Input/Output Modules
5 V, 20 mA and 10 V; bipolar
Byte 0 *
5
4 3 2 1 0 7 6
9 8 7 6 5 4 3 2
2 2 2 2 2 2 2 2
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 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
:
1 1 1 1 1 1 1 1
0 0 0 0 0 0 0 0
20 mA and 10 V; bipolar
Byte 0 *
5
4 3 2 1 0 7 6
9 8 7 6 5 4 3 2
2 2 2 2 2 2 2 2
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
:
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
1 1 1 1 1 1 1 1
:
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
2 1 0 7 6 5 4
8 7 6 5 4 3 2
2 2 2 2 2 2 2
1 1 1 1 1 1 1
1 1 1 1 1 1 1
0 0 0 0 0 0 0
0 0 0 0 0 0 0
Byte 1 *
4 3 2 1 0
1 0
2 2 A E O
1 1 0 0 1
1 0 0 0 0
:
0 1 0 0 0
0 0 0 0 0
0 1 0 0 0
:
1 1 0 0 0
0 0 0 0 1
Byte 1 *
4 3 2 1 0
1 0
2 2 A E O
1 1 0 0 1
1 0 0 0 0
:
0 1 0 0 0
0 0 0 0 0
1 1 0 0 0
:
0 1 0 0 0
0 0 0 0 1
Byte 1
3 2 1 0
1 0
2 A E O
1 0 0 1
0 0 0 0
:
1 0 0 0
0 0 0 1
9-93