Analog output settings, Analog output quantities, Testing the operation of analog outputs – Vaisala PTB330 User Manual
Page 64

USER'S GUIDE____________________________________________________________________
62 __________________________________________________________________ M210855EN-D
Analog Output Settings
Analog Output Quantities
Use the display/keypad to change and scale the analog output
quantities:
1.
Press any of the arrow buttons to open the MAIN MENU.
2. Select
Interfaces and press the right arrow button.
3. Select
Analog outputs and press the right arrow button.
4. Select
Output 1 and press the right arrow button.
5. Select
Quantity and press the CHANGE button.
6.
Select the quantity by using the up/down arrow buttons. Press
the SELECT button to confirm your selection.
7. Select
Scale, lower limit, by pressing the up/down arrow
buttons. Press the SET button. Adjust the lower limit value by
pressing the arrow buttons up/down/left/right. Press the OK
button to confirm your setting.
8. Select
Scale, upper limit by pressing the up/down arrow buttons.
Press the SET button. Adjust the upper limit value by pressing
the arrow buttons up/down/left/right. Press the OK button to
confirm your setting. Press the EXIT button to return to the
basic display.
9. Press
the
EXIT button to return to the basic display.
Testing the Operation of Analog Outputs
Use the display/keypad for testing the operation of the analog outputs
by forcing the outputs to known values. Measure then the outputs with
a current/voltage meter. To test the analog outputs:
1.
Press any of the arrow buttons to open the MAIN MENU.
2. Select
System and press the right arrow button.
3. Select Diagnostics and press the right arrow button.
4. Select Analog output tests and press the right arrow button.
5. Select
Analog output status. Press the SHOW button to check
the status and OK to finish.
6. Select
Test analog output 1. Press TEST. Select one of the
testing options by pressing the 0%/50% or 100% button.