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3 switching functions – INFICON SKY CDG045D 0.05 ... 1000Torr / mbar User Manual

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tina51e1-c (2011-12)

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4.3 Switching

Functions

The two switching functions can be set to any pressure within
the measurement range of the gauge (

→  14).

The current setpoint setting
• can be read/written via the diagnostic port,
• is output at the D-Sub connector instead of the measurement

signal (

→  20) and can be measured with a voltmeter after

the button is pressed, or

• can be read/written via the RS232C interface.
If the pressure is lower than the setpoint, the corresponding LED
( or ) is lit solid and the corresponding relay
(

→  20) is energized.

Measurement signal (pressure p)

Time t

Me

asu

reme

nt value

Off

On

Hysteresis
(1% F.S.)

Off

Threshold value

Setpoint