Analog value representation
4.4 Effect on analog value representation
2AI U HS analog electronic module (6ES7134-4FB51-0AB0)
18 Manual, 04/2007, A5E01076015-01
4.4.2 Effect of the value range on the 2AI U HS analog input
The response of the electronics 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 4-6 Response of the analog modules, depending on the location of the analog input value in the range of values
Measured value within ... Input value in SIMATIC S7 format Input value in SIMATIC S5 format
Rated range Measured value Measured value
Over-/Undershoot range Measured value Measured value
Overflow 7FFF
H
End of the overshoot range +1 plus
overflow bit
Underflow 8000
H
End of the undershoot range -1 plus
overflow bit
Prior to parameter assignment, or
incorrect parameter assignment
7FFF
H
7FFF
H
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