Control loop

Each control automation is based on a simple control loop. Even complicated tasks may be reduced to such a control loop.

Introduction
Control loop
Position sensors
Types of position control
Sensor positioning
Positions controllers
Diagnostics/Teleservice
Networking
Operator surfaces
Interfaces
Edge spreading system EPILINER
Spreading systems CORDALINER
Spreading systems X-PANDER

Web width

The actual web width is the starting point.

E+L Database Details

Sensor

An infrared sensor detects the actual web width without physical contact.

E+L Database Details

Position controller

The controller compares the actual value of the web position with the target value and sends an appropriate correction signal to the actuator.

E+L Database Details

Actuator

The actuator corrects the web width. Depending on the application the correcting element is either an edge spreading system or a full width spreading system.

E+L Database Details

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