3.8 Temperature Sensors

This page configures the temperature sensors. The DEICE-Controller contains an internal temperature sensor measuring the temperature on the circuit board. Additionally the DEICE-Controller offers inputs for up to four external (Pt-1000) temperature sensors which are used to monitor the temperature of the reflector bottom, top ambient and reflector panel. The DEICE-Controller's temperature measurement-circuit is calibrated before delivery, that's the reason why the offset sometimes is not set to 0,0°C in delivery state.

The following properties may be configured for each temperature sensor.

• Enable --- Setting this parameter to 'ENABLED' activates the monitoring for this sensor.
• Name --- You may enter a descriptive name for the temperature value measured with this sensor. The name appears at the main ('State') page.
• Offset --- Pt-1000 temperature sensors are very precise and do not require an individual calibration for simple monitoring applications. Nevertheless, a temperature offset may be defined for each sensor, e.g. to compensate for the cable resistance to the sensor. The displayed value is the sensor reading + the offset defined in this column.
• Low/High Limit --- You may define temperature limits for each sensor. The DEICE-Controller signals a fault if a temperature is outside the given limits. To disable the limit checking, set the limits to values like -100 / +300.

The internal temperature sensor of the DEICE-Controller cannot be disabled, its name is fixed to 'Board' and its offset is fixed to '0.0'.