Light Curtain Muting Override

A safety light curtain shields a hazardous area for people s access.

Light curtain muting override.

In normal operation if a light curtain detects an object it causes the safety system to stop any hazardous motion in the hazardous area. Edm input wait input reset input muting input 1 2 override input. With a muting light screen access to a hazardous area is temporarily disabled muting allowing products to enter the hazardous area. Muting shall be desabled as soon as the light curtain is cleared and not later than 4 seconds max.

0 to 3 v off voltage. We have installed bypass keys on our press light curtains because someone realized that if an operator got caught in a die they would be standing in the light curtain. The terms muting and blanking are frequently used incorrectly. Setup of a muting light curtain.

This post will help clarify the difference between the two so the correct safety light curtain functionality is chosen and the machine runs safely. 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. There is no muting override in this example. Safety light curtains the xpslcmut1160 muting safety module is an acce ssory device used to provide a safety rated muting function in conjunction with safety light curtain.

Open or 0 to 3 v short circuit current. Offering seven different predefined muting configuration options including bypass mute dependent override mute enable and mute cycle time extensions for l style cell exit application the safety light curtain provides versatile performance for diverse application requirements. Identification of safety functions 2. Muting input 1 2 override input.

Risk assessment iso 12100 1. Specification of characteristics of each function 3. 10 ma with edm input only when using an npn output cable. When there is no access for persons but the access for products must be available a muting light curtain offers a perfect solution.

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. Determination of required pl plr for each safety function. Muting sensors shall be positioned beyond the light curtain in the dangerous area. The timer monitoring the 4 seconds shall be a safety related item.

Muting is defined as bypassing the protective function on safety related control system such as a safety light curtain during a pre determined operation of a machine. Open or 10 v or more up to the power voltage. Safety light curtains continental corporation a leading firm in the manufacturing of electronic car components has always made extensive use of these safety devices in its plants especially in areas where moving components could injure operators. This application technique describes the operation of a light curtain with muting functionality.

If the press was from 0 180 deg you would not be able to reverse the ram direction with the light curtain blocked.