Light Curtain Muting Methods

The first method involves using the light curtain controller to initiate the muting and generally results in disabling the sensing field.

Light curtain muting methods.

In nearly any industry that manufactures a product there are automatic feeder systems and conveyor applications that can be optimized simply by using muting. Also the status output for the mute light changes to green. The value of light curtains is greater than many realize having functions and features relevant for machine safety factory control and productivity. Muting sensors shall be positioned beyond the light curtain in the dangerous area.

The second uses control reliable auxiliary circuits or machine controller circuits and would result in the bypassing of the light curtain s output signal. In normal operation if a light curtain detects an object it causes the safety system to stop any hazardous motion in the hazardous area. Light curtain with muting two sensor l type and configurable safety relay introduction light curtains are used to detect attempted access to a hazardous area. Next lets test the mute function.

After 3 seconds the status output and mute function turn off. First we test the safety light curtain and latch reset with mute off. When used with a safety light curtain muting enables the safety function to be temporarily. The safety light curtain has become so ubiquitous that it is all too easy to regard it as a simple on off device a fail safe fit and forget substitute for protective fencing.

Safety light curtains can be used in a variety of different modes such as muting blanking and floating blanking depending on the needs of the application. The timer monitoring the 4 seconds shall be a safety related item. The terms muting and blanking are frequently used incorrectly. Four common machine safeguarding flaws and how to avoid them.

Muting and light curtains. When enabled a function block is purple with a 3 second count down timer.