Programming The Sp1 & Sp2 Setpoints With Button On The Gauge - Instrutech Busy Bee PCM301 User Manual

Pirani capacitance combination vacuum gauge
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Instruction Manual
4.4.2 Programming the SP1 & SP2 setpoints with button on the gauge
 Push the <SP1> or <SP1> button with a pin (max. ø1.1 mm) and keep it depressed. The gauge changes to the
switching function mode and outputs the current setpoint threshold value at the analog output (pin 5 of the
D-Sub connector) or on the LCD for about 5 seconds and the corresponding <S> on the display blinks. The
threshold setting is increased towards the upper limit until the button is released or the limit is reached.
 Push the <SP1> or <SP2> button again:
within 0...1 second for fine adjustment
within 2...3 seconds for change of direction
 If the <SP1> or <SP2> button is released for more than 5 seconds the threshold value is saved and the
gauge returns to the measurement mode.
The factory setting of the upper threshold is 10% above the Low Trip Point and 10% below the High Trip
Point (hysteresis).
If after programming of the hysteresis via the diagnostic port, the corresponding button <SP1> or <SP2> is
pushed, the factory setting of the corresponding hysteresis (10%) is reactivated.
The following <SP1> and <SP2> parameters can be set via the use of the diagnostic port:
Low Trip Point, Low Trip Enable, Low Trip Point Hysteresis, High Trip Point, High Trip Enable
High Trip Point Hysteresis, Setpoint Mode (assigns setpoint to absolute pressure or atmospheric setpoint
mode).
InstruTech
the threshold value changes by smaller increments
the threshold adjustment changes its direction
PCM301 Busy Bee
Page 20

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