Samson TROVIS 6495-2, Mounting And Operating Instructions

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9-2 EB 6495-2 EN
Malfunctions
− We recommend for any errors not described in detail to switch off the power supply and to
wait approx. five seconds before switching it on again.
− Contact SAMSON 's After-sales Service for malfunctions not listed in the table.
The digital outputs DO5 and DO6 can be configured so that they are activated when a sen -
sor/signal error or communication failure occurs. See O.10.1 or O.11.1 configuration item
in Annex A.
Table 9-1: Error list
Error Possible reasons Recommended action
AI1(2, 3, 4) Wrong switch
position
The position of the two DIP
switches for the analog input
configuration is not identical.
Î
Re-position DIP switches (see
the 'Operation' section).
AI1(2, 3, 4) below range The input signal is 5 % below the
lower value of the nominal sig-
nal range.
Î
Check input signal setting.
Î
Check the sensor lead for
sensor/wire breakage or for
a short circuit.
Î
Check electrical connection
to terminal strip 1 (analog
inputs). See the 'Installation'
section.
AI1(2, 3, 4) above range The input signal is 5 % above the
upper value of the nominal sig-
nal range.
C1(2)–SPC below range The given set point is lower than
the lower measuring range value
AI1(2, 3, 4).MIN of the ana-
log input assigned to the con-
trolled variable PV.
Î
Check value.
C1(2)–SPC above range The given set point is higher than
the upper measuring range val-
ue AI1(2, 3, 4).MAX of the
analog input assigned to the
controlled variable PV.
Î
Check value.
Internal temperature
Sensor defective
The sensor for monitoring the
temperature inside the controller
is defective.
Î
Replace the device.
Note