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Analog value representation
4.4 Effect on analog value representation
4.4.2
Effect of the value range on the analog input 2AI RTD Standard
The response of the electronic modules with analog inputs depends on the part of the value
range in which the input values are located. The table below shows this dependency..
Table 4- 10
Response of the analog modules, depending on the location of the analog input value in the range of values
Measured value within ...
Rated range
Over-/Undershoot range
Overflow
Underflow
prior to parameter assignment, or
incorrect parameter assignment
26
Input value in SIMATIC S7 format
Measured value
Measured value
7FFF
H
8000
H
7FFF
H
2/4AI RTD ST analog electronic module (6ES7134-4JB51-0AB0)
Input value in SIMATIC S5 format
Measured value
Measured value
End of the overshoot range +1 plus
overflow bit
End of the undershoot range -1 plus
overflow bit
7FFF
H
Manual, 07/2008, A5E01076865-02
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