Gl r series safety light curtains offers a robust solution for optimal levels of safety.
Light curtain muting override.
Muting shall be desabled as soon as the light curtain is cleared and not later than 4 seconds max.
10 to 30 v off voltage.
Open or 10 v or more up to the power voltage.
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.
Specification of characteristics of each function 3.
Muting sensors shall be positioned beyond the light curtain in the dangerous area.
10 ma with edm input only when using an npn output cable.
There is no muting override in this example.
With a muting light screen access to a hazardous area is temporarily disabled muting allowing products to enter the hazardous area.
This application technique describes the operation of a light curtain with muting functionality.
0 to 3 v off voltage.
Setup of a muting light curtain.
Muting input 1 2 override input.
The timer monitoring the 4 seconds shall be a safety related item.
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.
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.
Determination of required pl plr for each safety function.
Risk assessment iso 12100 1.
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.
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 0 to 3 v short circuit current.
In normal operation if a light curtain detects an object it causes the safety system to stop any hazardous motion in the hazardous area.
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.
This post will help clarify the difference between the two so the correct safety light curtain functionality is chosen and the machine runs safely.
Edm input wait input reset input muting input 1 2 override input.
A safety light curtain shields a hazardous area for people s access.
When there is no access for persons but the access for products must be available a muting light curtain offers a perfect solution.
Identification of safety functions 2.
If the press was from 0 180 deg you would not be able to reverse the ram direction with the light curtain blocked.
