AREL APC

ARAD SOFTWARE



                             
                       For Stenter Control

 

 

Arel Stenter Control - A.S.C. concept ensures the optimal operation of stenters by using standard hardware (PC), and flexible software, which enables easy adaptation to specific requests and conditions.

Typical control and monitoring functions:

  • Dwell-time

  • Air Temperatures

  • Moisture Retention

  • Stretch / Shrinkage

  • Width monitoring and control

  • Exhaust humidity

  • Fabric weight

  • Down time reports and deviation reports

  • The controller can also be used as a reporting station for plant production floor monitoring.

A.P.C 504 installation options

 

A number of options are available for APC 504 installation:

 

Installation directly on the over-head bar in front of the Stenter:

              

Installation on a specially designed rotating arm, or aluminum case.

This arrangement allows the controller to be viewed at operator eye level.

The additional electronic interface elements can be added in the existing stenter cabinets, or in a separate panel provided by Arel.

 

Dwell Time and Moisture Retention Control

 

Control of Dwell-Time - The controller ensures that the fabric reaches a certain temperature and remains at that temperature for the exact time, as determined by a recipe. The controller measures the fabrics temperature at strategic points, by infrared sensors, and increases or decreases the machine speed.


 

Moisture Retention – A single infrared sensor at the last section of the stenter measures the temperature of the fabric. The temperature at this point is directly related to the degree of moisture retained by the fabric. By controlling the speed of the fabric, the A.S.C. maintains the desired humidity settings. Alternatively any direct moisture sensitive can be used.  

 

The Infra-red Sensors

 


Arel’s policy is to use standard sensors with special adaptation for stenter frames. Cooperation with the market leader in InfraRed sensing, results in sensors with unique characteristics:

  • State of the art technology, advanced electro - optics ,micro machined thermopile detector

  • Sensor and electronics integration - for easy installation, easy access and for reliable operation.

  • Designed for harsh temperature applications.

  • Maintenance free

  • Air purge keeps the lens clean within dusty, damp and oily environment.

  • Rugged very compact stainless steel housing. Dirty window alarm.

  • Repeatability 0.5%

  • Accuracy 1% 

 

Central Computer Interface

 

An Ethernet interface enables the controller to be linked to a higher order computer.

The controller can be used also as an operator terminal for central production floor monitoring, and for on line scheduling.

Upon keying the batch ticket, the recipe (set points) can be automatically transmitted from the center.

 

The central system produces alarms and deviation reports, and customized production reports.