3 Calibration with the display
If during the calibration routine you need more information describing any of the menus or
functions refer to Sections 3.7 and 3.8. The SmartCal positioners also has an on-board help menu
that can be accessed by pressing the Cal button and either arrow button simultaneously, anytime
during calibration.
3.1 Enter calibration (Menu level)
Enter the calibration routine by pressing and holding the CAL button. Continue to hold the CAL
button until ACAL appears on the LCD. ACAL (Auto Cal Menu) is the first of four menus. By
pressing the down arrow button you can cycle through the four menus. The remaining three
menus are MCAL (Manual Cal Menu), Cofg (Configuration Menu), Stro (Manual Position Override
Menu). The menu level is shown below.
Normal operation
(‘OK’ displayed on LCD)
Up arrow
(exit calibration)
Down arrow
(from previous menu)
Down arrow
(to next menu)
Up
arrow
Up arrow
Down
Down
Down
Down
Down
Down
Down
Down
Down
Quick
opening
flow
Equal
percentage
flow
Rotary
valve
Fail
open
Use up
& down
arrows
to select
open
speed
01 = slow
05 = fast
Use up
& down
arrows
to select
close
speed
01 = slow
05 = fast
Use up
& down
arrows
to adjust
deadband
Linear
valve
Fail
close
Deadband
at ± 5%
Up
arrow
Down
arrow
Down
arrow
Down
arrow
Down
arrow
Down
arrow
Down
arrow
(See Section 3.3)
(See Section 3.4)
(See Section 3.2)
(See Section 3.6)
Down
arrow
Down
arrow
Down
arrow
Up
arrow
Up arrow
Press & hold CAL
key until ‘ACAL’
appears on display
3.2 Configure the positioners parameters
From the Menu level press the down arrow button until the Cofg (Configuration Menu) is shown
on the display (configuration routine shown below). Enter this menu and change any of the
parameters, if other than the factory settings are needed. The factory settings are highlighted.
Up arrow
Up arrow
Up arrow
Up arrow
Up arrow
Linear
flow
Down
arrow
page 12
AVID SmartCal valve positioner
Installation & operating instructions
