TC_LAB datasheet(17/29 Pages) WAVELENGTH

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INTELLITUNE CONTINUOUSLY

OPTIMIZES

Once a system is run through the IntelliTune process, the PID

coefficents are adjusted as the setpoint, tune mode, or bias

current is changed. Adjustments are made even if bias current

changes or setpoint approaches ambient temperature. The

IntelliTune setpoint does not need to match the system setpoint

if the system setpoint is very high or very low. Run IntelliTune

at a setpoint about 5ºC away from ambient. IntelliTune stops

if the sensor is changed or the tuning mode is set to Manual

Tuning.

During an IntelliTune process, the current limits are set to

10% of the initial values. The limit icon glows red frequently.

Current limits are restored after the scan is complete.

See Application Note AN-TC13 for an in-depth exploration of

IntelliTune.

SAVE OR RECALL SETTINGS

Press to access the Save/Recall Screen.

Under

Save Settings, press the blue text to

toggle through the

Profile options, select one,

and then press the Save icon.

The following operations settings are saved:

• Tune Mode

• Scan Start Temperature

• Beeper Status

• Scan Temperature Step Size

• Cable Resistance

• Scan Stop Temperature

• Current Limit, Negative

• Scan Settling Period

• Current Limit, Positive

• Sensor

• Display Brightness

• Temperature Setpoint

• Proportional Gain

• High Temperature Limit

• Integrator Time Constant

• Low Temperature Limit

• Differentiator Time Constant

• Tolerance

Figure 25. Save / Recall Screen

SETTINGS SCREEN

1. Press to access the Settings Screen.

2. Press the

Display value to cycle through the

display and control units available - Celcius (°C),

Farenheit (°F), Kelvin (K) or Resistance.

3. Press the

Tolerance value and turn the adjustment knob

until the desired tolerance window is displayed. The

target symbol will show on the front panel when the actual

temperature is within the window defined by setpoint ±

the tolerance. The minimum tolerance is 0.01.

4. Move the slider bar on the touchscreen to change the

Display Brightness.

5. Press the blue text to toggle the

Beeper on-off setting.

Figure 26. Settings Screen

LOCK OR UNLOCK SETTINGS

(OPTIONAL)

Settings are not locked.

This is the default. Critical values set with the

Adjustment knob can be locked. Press to lock

the settings.

Settings are locked.

Press to unlock the settings.

Settings are locked and password protected.

Locked settings that are password protected

can only be locked and unlocked using a remote

computer.

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