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you to change default numeric settings by moving the blinking cursor left to
the next most significant digit. When you have reached the most significant
digit (furthest left), the LEFT arrow key will move the flashing cursor back to
the least significant digit (furthest right).
MENU Key
The MENU key allows you to access all of the user-configurable setup pa-
rameters of the Temperature Controller. Pressing the MENU key will scroll
through the parameter options, using the arrow keys to change those param-
eters. Refer to the Setup Procedures section for additional information on
each parameter.
SET Key
The SET key allows you to change the control setpoint (SP), using the arrow
keys. Pressing the SET key again will exit the setpoint mode. In the Ramp
and Soak mode, the SET key will toggle the display between setpoint and run
time remaining. Refer to the Operation section for additional information on
changing the setpoint.
ALARM Key
The ALARM key enables you to acknowledge temperature control alarm con-
ditions and silence the audible alarm. Pressing the ALARM key will erase any
alarm messages on the display and stop the ALARM from flashing. If the
alarm condition is still present, the ALARM LED will remain on until the PV
(process variable) is out of the alarm condition. If manual Reset mode is
selected in setup, the ALARM key will also de-energize the alarm relay.
Refer to Setup Procedures section for additional information on setting the
appropriate alarms.
TUNE Key
The TUNE key will start an AUTO tune cycle. Heat (or cooling) is automati-
cally applied to determine PID values. AUTO tuning must be enabled in the
setup mode for this key to function. Refer to the AUTO Tuning section for
additional information on this setting.
NOTE: When the TUNE key is pressed, the output is turned full on three
times for a period of time and overshoot of the setpoint will occur.
Do not use the AUTO tune feature if this would have an adverse
affect on your process.
RUN/STOP Key
Pressing this key when the Temperature Controller is stopped will start the
control process and activate the load, if required. Pressing this key when the
Temperature Controller is running will cause it to stop.
