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HEAT, COOL, TUNE LED Annunciators
These three indicators will light to indicate Temperature Controller functions.
The green HEAT light will turn on when power is being applied to the heater
output. The green COOL light will turn on when the Temperature Controller is in
the cooling mode and power is applied to the cooler output. The yellow TUNE
light will turn on when the Temperature Controller is in the AUTO tuning mode.
How to Use this Product
Here is a summary of the steps required to setup and operate the Tempera-
ture Controller R/S.
1. Install the unit.
Setup your process.
Plug the Controller power cord to an AC outlet, turn unit on.
Plug the heater (or cooler) into the Controller rear panel and install in
your process.
Connect a sensor to the rear panel (thermocouple, RTD or thermistor)
and install in your process.
Optional installation connections:
Connect a recorder to the recorder contacts on the rear panel.
Connect an external alarm to the alarm output connection on the rear panel.
Connect a serial cable between the Controller RS232 connector and a
PC and follow the instructions for setup in the separate PC program op-
erator manual.
2. Setup the operating parameters. Press MENU and follow the interactive
setup selections. If your setup is the same as the factory set defaults,
this step is not necessary. However, each of the setup options should be
checked for desired or proper setting.
Set sensor type that was connected.
Select temperature scale.
Set alarms, if desired.
Calibrate system, if better accuracy is desired.
Set safety stops (over temperature and loop break).
Select control action and mode desired (PID, on/off or Ramp/Soak).
Setup recorder output temperatures, if a recorder is connected.
Set baud rate for serial connection, if a PC is connected.
3. Set the run temperature and begin controlling.
Press the SET key and enter the desired setpoint temperature.
Press TUNE if autotune is selected in setup and you want to automati-
cally determine the PID settings.
Press the RUN/STOP key to begin temperature control.
The setpoint (SP) temperature and the actual temperature (or process
variable, PV) are displayed.
Press ALARM to acknowledge an alarm condition.
