Quality Information - Siemens SIMATIC ET 200SP Manual

Reading and processing measured values

6.2 Quality information

6.2 Quality information
Introduction
The AI Energy Meter 400VAC ST supplies quality information about the measurement in a
status word. This information can be used to evaluate the status:
● Currents (I
● Operating quadrants for Phase 1.
You can evaluate the quality information at every module version in Byte 1 of the output user
data.
Structure of the quality information
Figure 6-1
32
, I , I ) and voltages (U
L1 L2 L3
Quality information
Analog input module AI Energy Meter 400VAC ST (6ES7134-6PA01-0BD0)
, U , U ) lie within the valid measuring range
1 2 3
Manual, 10/2017, A5E36061895-AB