DR4300 Circular Chart Recorder
64 DR4300 Circular Chart Recorder Product Manual 4/00
3.2.2 Setting SW6 Switch 2
Off for RTD actuation
For thermocouple and mV inputs, the setting of SW6 switch 2 affects the displayed input in case of burnout
or other input failure.
Burnout is always upscale on an instrument with no display. When an input fails, the pen is driven upscale.
However, if the SW6-2 setting is ON, the pen may be driven downscale momentarily until the input circuit
is driven underrange.
It is important, however, to set the switch to OFF in the case of RTD actuation.
ATTENTION
If SW6 switch 2 is ON for an RTD input, the recorder will not be able to process the input
accurately, even when the input sensor is providing a valid signal.
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