Press “SET” to accept the new scan rate and continue.
S
Accept scan rate
8.4 Ramp and Soak Program
The ramp and soak program feature for the 9150 allows the user to program a
number of set-points, cycle the furnace automatically between the temperatures
at a scan rate set by the user, and hold the furnace at each temperature for a pe
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riod of time set by the user. The user can select one of four different cycle func
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tions. The Ramp and Soak Menu is accessed by pressing “SET” and “UP”
simultaneously.
8.4.1 Program Points
The 9150 contains eight “program points”. Each program point contains a
set-point, scan rate, and soak time. When the unit is in program mode the unit
heats or cools to the current program set-point at the current program scan rate.
Once the program set-point is reached the unit waits for the program soak time
before heating or cooling to the next program set-point. To access the Ramp
and Soak Program Menu press “SET” and “UP” simultaneously.
962.4 Well temperature
S+U
Access Ramp and Soak Program Menu
ProG Ramp and Soak Program
Press “SET” to access the number of program points.
8.4.2 Number of Program Points
The first parameter in the program menu is the number of program points to cy
-
cle through. Up to 8 set-points can be used in a ramp and soak program.
Pn= 8 Number of program points to cycle through
Use the “UP” and “DOWN” buttons to change the program points. The valid
range is from 2 to 8.
Pn= 4 New number of program points
Press “SET” to continue. Pressing “EXIT” causes any changes made to the pa
-
rameter to be discarded.
S
Accept the new number of program points.
25
8 Controller Operation
Ramp and Soak Program