Siemens 2AO U HF Manuale - Pagina 16

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Analog value representation

4.3 Output ranges

Output value
The following table shows the representation of the binary analog values and the
corresponding decimal and hexadecimal representation of the units of the analog values.
The table below shows the resolutions 11, 12, 13, and 15 bit + sign. Each analog value is
entered left aligned in the ACCU. The bits marked with "x" are set to "0".
Table 4-2
Output values (SIMATIC S7 format)
Resolution in bits
11+S
12+S
13+S
15 + sign
4.3
Output ranges
Voltage output ranges: ±5 V and ±10 V
Table 4-3
SIMATIC S7 format: Output range ±5 V and ±10 V
Output range
±5 V
0
5,8800
:
5,0002
5,0000
3,7500
:
-3,7500
-5,0000
-5,0002
:
-5,8800
0
16
Units
Decimal
Hexadecimal
16
10
H
8
8
H
4
4
H
1
1
H
Output range
±10 V
0
11,7589
:
10,0004
10,0000
7,5000
:
- 7,5000
- 10,0000
- 10,0004
:
- 11,7589
0
Analog value
High byte
S 0 0 0 0 0 0 0
S 0 0 0 0 0 0 0
S 0 0 0 0 0 0 0
S 0 0 0 0 0 0 0
Units
> 32511
> 7EFF
H
32511
7EFF
H
:
:
27649
6C01
H
27648
6C00
H
20736
5100
H
:
:
-20736
AF00
H
-27648
9400
H
-27649
93FF
H
:
:
-32512
8100
H
< -32512
< 8100
H
2AO U HF analog electronic module (6ES7135-4LB02-0AB0)
Low byte
0 0 1 x x x x
0 0 0 1 x x x
0 0 0 0 1 x x
0 0 0 0 0 0 1
Range
Overflow
Overshoot range
Nominal range
Underrange
Underflow
Manual, 04/2007, A5E01076940-01