Humboldt H-3185B CONTROLLER - Manual (Page 7)

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© 2008 Humboldt Manufacturing
4.0 Operational Modes
There are four modes of operation with this controller. These modes are as follows:
1. FOP – Fixed Output Percentage
The Freeze-Thaw machine does not use this function.
2. nor – Normal
This mode, as stated in section 3.0, is the normal mode in which the controller
will maintain the set value temperature.
3. stby – Standby
This mode puts the controller on standby. The heating and cooling functions
of the machine will be shut off.
4. r.s – Ramp/Soak Recipe
This mode is for running a controlled temperature cycle for a finite number of
cycles. This is the mode used for freeze-thaw testing.