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M4557 - Model 9210 Nitriding Controller
SSi Manual SERIES 9210-M4557-Nitriding Page 27 of 27
Internal Loop 2
Internal Loop 3
Instrument 1 – Instrument 25
The “Event Inst” selection will allow the user to set the events instrument:
Internal
Instrument 1 – Instrument 25
The “Quench Inst” selection will allow the user to set the quench instrument:
Internal Loop 1
Internal Loop 2
Internal Loop 3
Instrument 1 – Instrument 25
The “End of Quench Event” will allow the user to set the end of quench event. It can be event 0
through event 14.
The “Quench Speed Event” will allow the user to set the quench speed event. It can be event 0
through event 14.
The “Quench Run Event” will allow the user to set the quench run event. It can be event 0
through event 14.
The “Nitrider Bias” selection can be used to adjust the % Dissociation/Kn reading to match Pipette or
Metallurgical readings. Setting this value to 5.0 will increase the reading from 20 to 25, whereas setting
the value to –5.0 will decrease the reading from 20 to 15. This can range from –10.0 to 10.0
The “SSI Flow Signal” selection will allow the user to set the flow signal. It can be either Analog or
Digital/485.
The “End Recipe Events Clear” selection will allow the user to clear out the events at the end of a recipe. It
can be either Yes or No.
Default Wait Limits
Parameter Value
Temperature Wait Limit 15 °
Atmosphere Wait Limit 10
The wait limits are used in the recipe programming. A wait limit allows the program to move to the next
step once the process variable (or the actual furnace) has gotten to within the default wait limits that are
indicated on this screen.
Highlighting your choice to be changed and pressing the Enter key moves you to a numeric keypad that
allows you to enter a new value by touching the appropriate keys. The Temperature Wait Limit can range
from 0 to 50 degrees. The Atmosphere Wait Limit can range from 0.00 to 0.49. Pressing the Esc key
takes you back to the Menu screen.
Furnace Name
Parameter Value
Furnace Name Nitrider
PV1 Name Dissociation
PV2 Name Temperature
PV3 Name Back Pressure
Select the parameter to edit and press the Enter key to display an alphanumeric keyboard. Enter the name
that you wish to be displayed.