Table of Contents
Advertisement
PERFORMING A SWITCH TEST
Performing a switch test will require the use of both screens. The HPC50 records switch state, and pressure or temperature measurement at the time of switch
change. After the test, the result is displayed in a convenient and easy-to-use format.
To Perform a Switch Test
X
1
Select
Switch Test
in the upper display.
2
FOR A PRESSURE SWITCH, select P1, P2,
FOR A TEMPERATURE SWITCH, select
ATMi1
For more information on working in the HPC50 display, see
3
Connect the HPC50 to the switch using the terminals on the top of the HPC50. (The polarity of the terminals does not matter.)
4
FOR A PRESSURE SWITCH, connect a pump to the HPC50 and then to the switch.
FOR A TEMPERATURE SWITCH, connect an RTD to the ATMi and place the RTD and temperature switch sensor into a temperature calibrator.
5
FOR A PRESSURE SWITCH Check that the vent on the pump is open, and zero the calibrator if necessary. Then close the pump vent.
The upper display will show no read outs for the Closed, Opened, and
6
Slowly apply pressure or temperature until the switch changes state.
Once the switch state changes, the switch icon will change, and the display will indicate the pressure or temperature, at which the state changed.
Note:
In the switch test mode, the sample rate is increased to ten readings per second to help capture the changing switch state. Even with this enhanced
sample rate, changes to the pressure or temperature should be done slowly to ensure accurate readings.
7
Decrease pressure or temperature until the switch state changes.
Once the switch state changes, the icon will change, and the Closed, Opened, and
Switch Open
8
To perform a new test, highlight the reset option and press the
The Closed, Opened, and
Dead band
values will all be blank again.
Diff.
Press., APMi1, or
APMi2
in the lower display.
or
ATMi2
In in the lower display.
Navigating Through a Typical Setup.
Dead band
values.
Dead band
Switch Closed
(
)
enter
button.
values will be indicated.
17
Operation
HPC50 Series Operation Manual
Advertisement
Table of Contents
