Operation
8
Chapter 2, Controller Operation
535 User's Manual
will control to the IDLE setpoint. The raise and lower keys may be used to
adjust the setpoint.
To display the setpoint (SP), ramping setpoint (RAMP),
deviation (DEV) or output % (OUT %) while a recipe is run-
ning:
1. Toggle the
DISPLAY
key until the appropriate selection appears on the 2nd
display line.
To display the recipe number, the current ramp or soak
segment, the time left in the segment, the event status or
the number of recipe cycles completed:
1. Press the
FAST
key and toggle the
DISPLAY
key until the appropriate se-
lection appears on the 3rd display line.
BASIC PROCESS CONTROLLER OPERATING
PROCEDURES
This is a guide to controller operation when not using the profile options.
To select /change a setpoint
1. Press the
MENU
key twice to display
SP SELECT
in the
TUNING
mode.
2. Use the or key to toggle the active setpoint.
Before the newly selected setpoint is made active, there is two-second de-
lay to prevent any disruptive bumps.If the setpoint displayed is ramping,
RAMPING will show the 3rd display.
3. To change the setpoint value, press or while the setpoint is shown in
the 2nd display.
To change from auto to manual control (bumpless transfer)
1. When in automatic control, press the MANUAL key at any time, except while
in the
TUNING
mode.
2. The MANUAL key will light in red, and the 2nd display will immediately change
to indicate current output level.
To change from manual to auto
1. When in manual control, press
MANUAL
at any time except while in the
SET
UP
mode.
2. The 2nd display will not change, and the
MANUAL
key will no longer be lit
once control changes.
To change manual output values
1. Make sure the controller is under manual control.
2. Use the
DISPLAY
key to toggle 2nd display to output level.
3. Use the or key to change the value.
To override security
If a locked operation is attmpted, SECURITY appears in the 2nd display for two
seconds).
1. Use the and keys to quickly enter the security code, which will show
in the 3rd display. The starting value is 0.
Note: Two seconds of key inactivity will clear the display.
