Specifications

the enter button again to set the new value as the current

value. (See “Programming Controller” for information on

programming.)

The control parameters in order are:

LoCt - Parameter lock level. Determines the number of

parameters displayed when you press “SEL”. It should be

set to “0002.” If it does not, set to “0002.”

Nod - Mode. By pushing “UP” or “DOWN” buttons, this

can be set to “Auto” or “NAn” (Manual). Set to “Auto”. In

Manual mode, you must enter values to control the fur-

nace chamber temperature.

At - Autotuning feature. Will automatically set optimum

P.I.D. values for your process. For Tuning, set to “on.” For

normal operation, set to “oFF.”

StAt - Status. Displays current status of program and

cannot be changed.

Tine - Time. Displays the time remaining in the current

program.

ProG - Program options. Can be set to one of three op-

tions: “oFF”, “rUn” or “hold”. “oFF” will stop any running

program and reset the program to the beginning. “rUn”

will start a program from the beginning or resume a pro-

gram from “hold” from the point it was held. “hold” will

interrupt a running program without resetting the program

to the beginning.

Sü-1 - Set point 1. The temperature at which the first

ramp is aiming and at which the first dwell will be held.

tN1r - Ramp time 1. The time the controller will take to

charge the chamber temperature from its present temper-

ature to the value of Set point 1. This time may be limited

by the physical capabilities of the furnace.

tN1S - Dwell time 1. The length of time the controller will

hold the furnace at the Set point 1 temperature.

Sü-2 - Set point 2.

tN2r - Ramp time 2.

PROGRAMMABLE CONTROL MODELS