Light Curtain Muting Examples

For this purpose muting sensors are installed on both sides of the light curtain which determine in which cases to activate muting.

Light curtain muting examples.

Muting differentiation between humans and machine lock application blanking european version. As an example muting a light curtain would ignore the light curtain safety function. In addition to muting these modules monitor up to three light curtains with presence. Safety light curtains with muting area monitoring by means of safety light curtains.

For the transport direction of the workpiece both directions are permitted. Muting is the intentional suppression of the protective function of light curtains the light curtain is muted temporarily. 2 2 example minimum distance calculation for the lock application. From the instant the first of the two muting sensors is cleared.

In material handling applications material is allowed to pass through the protective field without shutting down the machine. A brief controlled deactivation of the light curtains muting ensures. Muting sensors shall be positioned beyond the light curtain in the dangerous area. It is not to be confused with blanking or bypassing.

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. In normal operation if a light curtain detects an object it causes the safety system to stop any hazardous motion in the hazardous area. Some typical muting applications include but are not limited to. After 3 seconds the status output and mute function turn off.

The timer monitoring the 4 seconds shall be a safety related item. Various types and sizes of. When enabled a function block is purple with a 3 second count down timer. Muting shall be desabled as soon as the light curtain is cleared and not later than 4 seconds max.

Photoelectric retro reflective sensors are used as muting sensors. Usually safety light curtains with vertical detection zones. Important this application example is for advanced users and assumes that you are trained and experienced in safety system requirements. If the light curtain is muted then the demand on the light curtain is ignored if the muting sensors and light curtain are broken in the proper order.

The temporary automatic suspension of a safety function during the non hazardous portion of the process machine cycle. Light curtain is violated muting the light curtain using f cpu freeing of workpieces sequential muting with 4 muting sensors 2 sensor pairs is implemented in the application example. First we test the safety light curtain and latch reset with mute off.