Copyright 2013 Baker Hughes Company.
46 | DPI620G Instruction Manual–English
Chapter 3. Calibrator
3.5.2 Switch Test
The Switch Test is available with measure or source functions.
The additional readings show signal values (measure or source) when the instrument senses how
mu
ch a switch moves to its open or closed position. The difference between the two values is
shown as the hysteresis value for the switch. This utility can be used with Ramp Automation,
where the rising signal causes the switch to change state and the falling signal causes the switch
to go to its original state.
Figure 3-18: Switch Test Example
3.5.3 Relief Valve
The Relief Valve utility is only available with Measure functions.
This utility is for tests of circuits or mechanisms that have a cut-out response when an input
re
aches a specified threshold value. The utility allows the user to select a mode of operation that
increases or decreases. The utility shows additional values that show the Maximum and
Minimum values made by the input signal.
Figure 3-19: Relief Valve Example
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