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Operation Manual
ON/OFF
Switch
Sensor
Input
Figure 1
General Description
If your heating process requires several steps, this is the control for you. The Ramp/Soak feature of this control allows up
to a 40-step profile, which can be configured from the provided software. You can profile Temperature, Time, Hold, Soak
and End steps to create the ideal profile for your process. The built in adaptive control technology provides even tighter
control for these demanding applications. Several input types are available. This unit comes with 6' detachable power
cord, communication port, audible alarm function and grid support bracket, which is ideal for fume hood mounting to
maximize bench space.
This control is a microprocessor-based, digital indicating, automatic temperature control with a single input and a single
output. It features an auto-tuning function that allows automatic setting of control parameters with a minimum of user input
required. This family of control accepts a type "J", "K", "T" thermocouples or RTD input depending on the model ordered.
The control automatically sets the PID parameters through a "learning" sequence in the auto-tuning mode. PID
parameters include proportional band, reset/integral and rate/derivative. User-friendly features include automatic LED
indicators to aid in monitoring and setup, as well as dual LED displays for process temperature and set point indication.
This control automatically stores all information in a non-volatile memory.,
Control Features
1. On/Off power switch.
2. On/Off alarm switch.
3. 12-amp output.
4. Control PID with Auto-tune algorithm, solid state relay
5. Circuit protection (fuse)
6. Low profile housing.
12/10
Instruction Notes for 3622566, 3622567, 3622568, 3622569
Digital
Load
Control
Outlet
Module
Grid
Support
ON/OFF
Alarm
Switch
1
Power
Alarm
Inlet
Figure 2
RS-232
Port
Load
Fuse
Rev.1

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Summary of Contents for Digi-Sense 3622566

  • Page 1 Operation Manual RS-232 Port Instruction Notes for 3622566, 3622567, 3622568, 3622569 Grid Support ON/OFF Load Switch Fuse ON/OFF Alarm Switch Sensor Input Power Alarm Digital Load Inlet Control Outlet Module Figure 1 Figure 2 General Description If your heating process requires several steps, this is the control for you. The Ramp/Soak feature of this control allows up to a 40-step profile, which can be configured from the provided software.
  • Page 2 EZ button – User defined How to Setup and Operate First, connect the heater load and the sensor to the load and sensor receptacles on the front panel. Next, plug the control line cord into an appropriate 3-wire grounded power receptacle. Push the power switch to the "ON" position. Wait five seconds for the control unit to energize.
  • Page 3 After setting the auto-tuning parameter [Aut] to ON, press the Infinity key to display the set point and process temperatures. While the control is in the auto-tuning mode, the lower display alternately flashes the set point and the "Aut" prompt. When tuning is complete, the lower display indicates only the set point. The auto-tuning function can be aborted by setting auto-tuning [Aut] to OFF or switching off power to the control.
  • Page 4 Operating Environment 32 to 149 F / 0 to 65 C; 0 to 90% RH, non-condensing. Setup Menu 12/10 Rev.1...
  • Page 5 12/10 Rev.1...
  • Page 6 12/10 Rev.1...
  • Page 7 Operations Menu How to Tune and Operate Manual operation provides direct (time proportioned % time) control from -100% to 100%. A negative value is allowed only when Ot 1=Cool. Automatic operation provides sensory feedback ON/OFF or PID control. When the operation transfers from automatic to manual operation, the power level from automatic operation is retained and restored to the previous set point.
  • Page 8 Tuning-Automatic Auto-tuning: This control can automatically tune the PID parameters to fit the characteristics of your particular thermal system. Auto-tune can only be used when Output 1 is hEAt. Once the auto-tune sequence has begun, the lower display flashes between AUt and the set point. The displayed set point remains unchanged. Once the control finished "learning"...
  • Page 9 Ramp/Soak Operation The control is furnished with a CD for installation of a USB 2.0 to RS-485 driver. Before communicating with the control through a pc this driver must be installed. Insert the CD into you pc and follow the instructions. Once this is accomplished it is recommended to go to the Watlow web site, www.watlow.com and under the download...
  • Page 10 Second Screen Third Screen 12/10 Rev.1...
  • Page 11 Forth Screen 12/10 Rev.1...
  • Page 12 EZ-Zone Configurator software will now open and the following will appear on the screen: 12/10 Rev.1...
  • Page 13 Continued: 12/10 Rev.1...
  • Page 14 To activate the Ramp action, follow the below setup: 12/10 Rev.1...
  • Page 15 Ramp Action Continued: 12/10 Rev.1...
  • Page 16 12/10 Rev.1...
  • Page 17 Select What Type this Step Will Be Step Type to select what this step will do. The parameter list updates in a few seconds after the Step Type setting is changed. • An Unused Step is, in effect, an empty step that can be used to erase a step in the profile. •...
  • Page 18 Profiling Page: 12/10 Rev.1...
  • Page 19 Profiling Page Continued: 12/10 Rev.1...
  • Page 20 Profiling Page Continued: 12/10 Rev.1...
  • Page 21 GLOSSARY Automatic prompts: Data entry points where a microprocessor-based control "prompts" or asks the operator for information input. Auto-tune: Automatically tunes the parameters to fit the characteristics of your particular thermal system. Cold junction compensation: Electronic means to compensate for the effect temperature at the cold junction. Cycle time: The time necessary to complete a full On-through-Off period in a time proportioning control system.
  • Page 22 Warranty Digi-Sense, for itself does hereby offer a warranty for products from the date of receipt by the user, under normal and proper usage, against defects in workmanship and materials for 12 months, and will repair or replace any defective part(s) without charge when same is shipped Prepaid to Digi-Sense from which the product was originally purchased.

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