EMC 880 - Controller Keys and Their Functions

Operation of Controller
880 Operation Manual Issue 7 EMC INDUSTRIAL GROUP LTD Page 11 of 25
If the TIME TO GO key is pressed, when … is showing, the display will show
.
When the kiln temperature is within 5°C of the Hold Temperature the kiln will either
be held at this temperature for the hold period or will move into the start of the next
stage if no Hold Time has been set for this stage.
To view how much time remains to the end of the current hold period, press the
TIME TO GO key while the small display is showing ….
When all stages of the program have been completed the firing will be stopped and
five long beeps indicate the program is finished.
Keys
There are two basic modes of operation, normal mode and programming mode.
• The controller is in programming mode after the MENU key has been pressed,
and up until the EXIT key is pressed. In this mode key functions are identified
by the blue captions.
• All other times the controller is considered to be in normal mode and functions
are identified by the caption on the key except when using the UP and DOWN
keys to set the delayed start time.
RUN STOP Key
Starts or stops a firing when pressed. When started the light fast flashes for five
seconds to allow setting (with the UP or DOWN keys) the delay start period. If a
delay start period is set, after the five-second-entry time, the RUN STOP light will
change to slow flashing to indicate the controller is waiting to start at the end of this
period. The delay time can be altered while waiting to start.
Menu (Next) Key
Used to go into the programming mode.
First press will display the current program number, further presses step through
each setting of the current program.
During a firing this key can be used to view or change settings of the current pro-
gram and also to view or changed settings of other stored programs or enter new
programs.
Control Temp (Down) Key
This key has two functions;
• When programming or setting the Delayed Start Time, press to decrease the
value of the selected setting. Alternatively to toggle between preset values
and the instruction words press the UP and DOWN keys together.
Toggle settings are;
Ramp Rate 100°C/hr, FAST and End,
Temperature Half the Maximum Hold Temperature of a stage, see Hold
Temperature Setting Limits, page 23, and PASS,
Hold 0hr 00min and Hold.
• When firing, press to display the Control Temperature.
Time To Go (Up) Key
This key has six functions.
• When programming or setting the Delayed Start Time, press to increase the
value of the selected setting. Alternatively to toggle between preset values
and the instruction words press the UP and DOWN keys together.
Toggle settings are the same as for the CONTROL TEMP (DOWN) key.
• When not firing, press to show the total firing time.
• When firing press and hold key down for three seconds to show the remaining
firing time.