7
4.4
Functional description
Parametrization of the individual inputs and outputs enables the device to be adapted to suit your
relevant application. For each input and output, a trip delay (time until the relays trip in the event of
a fault) and restart delay (time until the relays return to a ready state after rectification of the fault) can
be programmed to suit the application. A switch-off lock can also be selected in parameterization
mode. This setting means that, after a fault, the system remains switched off until a network reset.
For each input, a hysteresis can be set in parameterization mode.
You can find out more about parameterization in chapter 5.2.
The inputs and outputs of the INT69 YF Diagnose are described below, and the corresponding
features are explained. The motor temperature, temperature monitoring, leakage monitoring and
phase monitoring inputs, as well as the analog input, are examined. The alarm relay, warning relay,
diagnostics port and duo LED outputs are then dealt with in more detail.
The individual functions are illustrated via the help texts of the KRIWAN INTspector app.
Monitoring functions, with the exception of PTC and bimetal monitoring, switch off
after their parameterized trip delay.
All inputs can also be deactivated.
4.4.1
Motor temperature
For motor temperature monitoring (terminals T1 and T2), PTC, PT100, PT1000 or bimetal sensors
can be parameterized.
•
PTC selected: When the nominal response temperature of the PTC sensors installed
in the motor winding is reached, switch-off occurs after a static evaluation process.
•
Pt100, Pt1000 selected: When the parameterized switch-off temperature of the
Pt100/Pt1000 sensors installed in the motor winding is reached, switch-off occurs after
a static evaluation process.
•
Bimetal selected: If the bimetal sensor installed in the motor winding responds,
switch-off occurs after a static evaluation process.
A short circuit or open circuit at a temperature input also leads to a switch-off, except if bimetal
is selected.
4.4.2
Temperature monitoring
For temperature monitoring (terminals T3 and T4 or T5 and T6), PTC, PT100 or PT1000 sensors can
be parameterized. Two separate inputs are available for temperature monitoring.
•
PTC selected: When the nominal response temperature of the PTC sensors installed
in the motor winding is reached, switch-off occurs after a static evaluation process.
•
Pt100, Pt1000 selected: When the parameterized switch-off temperature of the
Pt100/Pt1000 sensors installed in the motor winding is reached, switch-off occurs after
a static evaluation process.
A short circuit or open circuit at a temperature input also leads to a switch-off.