Q.series
Gantner Instruments GmbH
43
4 Connecting the modules → Module flashing frequency
The LEDs flash while the firmware is being configured after a
download. After the download the module must be restarted.
4.6.4 Problems during data transmission
Fig. 4-17 Flashing sequence for problems during the data transmis-
sion.
These flashing sequences indicate a problem with the communi-
cation. Check the following:
1. Is the interface link between the modules in order (are the
bases pl
ugged together or connected to the cables correctly)?
2. Is the interface link between the modules and the Test Con-
troller in order?
3. Is wiring of the interface connections correct?
Then restart the system (by switching off, waiting one minute and
then swi
tching on again). If these measures do not remedy the
error, then contact your customer consultant or Gantner
Instruments GmbH directly.
4.6.5 LED displays in normal operation
For modules with analog inputs a red illuminated LED indicates
that the measurement range has been exceeded on at least one
input. You can suppress this indication in the module configura-
tion.
For modules with digital inputs or outputs an orange illumina
ted
LED indicates that an input or output is active.
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