Specifications

WESTLOCK CONTROLS CORPORATION
280 MIDLAND AVENUE, SADDLE BROOK, NJ 07663 TEL: [phone] FAX: [phone]
www.westlockcontrols.com
1/12/10 TECH-439/D.W.O. 19024 Page 28 of 58
4.6 Manual Override of Input
Signal (Via On-Board
Keypad)
The positioner has a feature which
allows the operator to override the
analog set-point signal and change
valve position from the keypad. This is
done from the Stro (Manual
Override-Stroke Menu). Enter
calibration as described in section 4.1
and use the down arrow button to
cycle to the Stro menu. Enter this
menu and control the position of the
valve as shown below.
4.7 Description of Menus
The calibration functions of the positioner
are organized into the following four
menus:
Menus
• Menu 1: ACAL (Automatic Calibration)
• Menu 2: MCAL (Manual Calibration)
• Menu 3: Cofg (Configuration)
• Menu 4: Stro (Manual Override of Input Signal)
Menu descriptions are as follows:
Menu 1: ACAL (Automatic Calibration)
Entering this menu allows you to initiate an approximately seven minute self-calibration function.
The positioner will automatically enter digital control mode and perform a shallow (input current
independent) calibration in the following sequence:
Function
1. -Snsr- Sensor Calibration
2. -Lo- Low (Zero) Calibration
3. -Hi- High (Span) Calibration
4. -Trnd- Transducer Calibration
5. -Auto- Automatic PID Tuning