This post will help clarify the difference between the two so the correct safety light curtain functionality is chosen and the machine runs safely.
Light curtain muting lamp color.
Muting shall be desabled as soon as the light curtain is cleared and not later than 4 seconds max.
4 to en iso 13849 1 2008.
Suitable for use with light curtains and grids psenopt devices with dual pole outputs safety relay pmut x1p.
From the instant the first of the two muting sensors is cleared.
Banner engineering s ez screen low profile safety light curtain with integral muting is a type 4 safety light curtain designed for use on smaller production machines.
After 3 seconds the status output and mute function turn off.
Color coding muting light curtain the blue and red surrounded connector are connections for muting sensors the muting lamp is connected to the green connector.
Also the status output for the mute light changes to green.
The timer monitoring the 4 seconds shall be a safety related item.
In material handling applications material is allowed to pass through the protective field without shutting down the machine.
Whenever the light curtain is muted the muting lamp is energized.
The terms muting and blanking are frequently used incorrectly.
Muting light curtain monitoring relays allow the automatic temporary suspension of the safety function if certain conditions are met.
First we test the safety light curtain and latch reset with mute off.
When enabled a function block is purple with a 3 second count down timer.
In normal operation if a light curtain detects an object it causes the safety system to stop any hazardous motion in the hazardous area.
Next lets test the mute function.
In addition to muting these modules monitor up to three light curtains with presence.
The connections on the light curtain have a color coding so that it is always clear how a muting light curtain should be connected.
They light up as soon as muting mode is started.
Gsr guardmaster safety relay light curtain muting safety function safety rating.
They are designed to provide optimal performance in compact spaces yet be robust enough for large power presses.
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.
Unmonitored muting lamps pit si1 1.
Bill of material safety function documents.
Muting state long lasting and reliable led muting lamp high redundancy through 6 led strands connected in parallel current monitoring possible e g as accessory for leuze electronic safety light curtains or protective sensors signalers for built in mounting built in elements for m22 p series signaling of the muting state ms muting lamps.
Pitsign muting lamps are specially designed for this purpose.