Siemens 2AO U HF Manuel - Page 18

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Analog value representation
4.4 Effect on analog value representation
4.4.2

Effect of the value range on the 2AO U HF analog output

The way electronic modules respond to analog outputs depends on where the output 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 output value falls within the range of values
Output value falls in ...
Nominal range
Over-/underrange
Overflow
Underflow
Prior to parameter assignment, or incorrect parameter
assignment
18
Output value in SIMATIC S5/S7 format
Value from DP master
Value from DP master
0-signal
0-signal
0-signal
2AO U HF analog electronic module (6ES7135-4LB02-0AB0)
Manual, 04/2007, A5E01076940-01