Effect Of The Value Range On The 2Ai U Hf Analog Input - Siemens simatic et 200s User Manual

Analog value representation
4.3 Effect on analog value representation
4.3.2

Effect of the value range on the 2AI U HF analog input

The way electronic modules respond to analog inputs depends on where the input values fall
within the value range. This is illustrated by the table below.
Table 4-6 Response of the analog modules, depending on where the analog input value falls within the range of values
Measured value within ...
Nominal range
Over-/underrange
Overflow
Underflow
Prior to parameter assignment, or
incorrect parameter assignment
20
Input value in SIMATIC S7 format
Measured value
Measured value
7FFF
H
8000
H
7FFF
H
Input value in SIMATIC S5 format
Measured value
Measured value
End of the overshoot range +1 plus
overflow bit
End of the underrange -1 plus overflow
bit
7FFF
H
2AI U HF analog electronic module (6ES7134-4LB02-0AB0)
Manual, 04/2007, A5E01076007-01