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Commissioning NET stations
545
02/16 MN05013001Z EN
If, for example, the station with NET ID 7 is missing, the
diagnostics bit ID7 changes to 1 on every remaining NET
station. The missing station is also indicated by means of a
permanent light on the LED NET for all remaining NET
stations.
Example of scanning the diagnostics bit ID..
Figure 282: Scanning the diagnostics bit in standard circuit
diagram
= Visible area
Table 26: Reaction to a missing sign of life signal on a NET station
with or without safety configuration.
h
Caution!
To ensure that a standard circuit diagram with NET
operands (e.g. 3GT01) is always functioning with the
latest data, you must scan the diagnostics bit ID.. of the
sending NET station (see example below).
If you do not evaluate the appropriate diagnostics bit, this
may cause malfunctions in your application.
Station with circuit
diagram
NET station 1 detects the failure of a NET
station 2 to 8 without a circuit diagram:
Input values received via nI.., nR.., nQ..,
nS.., nRN.. and GT.. are set to 0. The
output values for this NET station are not
changed.
Station without
circuit diagram
NET station with a
NET ID 2…8 in
REMOTE IO mode
The output values Q01 - Q08 and S01 -
S08 received from NET station 1 are set to
0.
ID03---------------------------
--Ä
:01
GT03Q1-------------------------DB16T_
....
:01....
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