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Light Barrier Controllers

Light barriers belong to electro-sensitive protective equipment (ESPE) which cut off dangerous movements and initiate a safe condition when persons or objects approach to a dangerous location.

Advantages

  • Increase productivity by longer cycle times without loss of safety
  • No need for mechanical safety devices
  • Easy implementation of muting functions

Technology

The electro-sensitive protective equipment BWS-S, also referred to as type 4, is not affected by a farlure within the electro-sensitive protective equipment. Our solutions for this include:

  • Type-tested evaluation circuits in compliance with relevant norms
  • Prewired rail-mounted modules, also with muting function

Applications

Protection of operators on machinery who have to cyclically intervene in the process (dangerous area), e.g. loading and removal of process material/products.

A typical application is the operation of presses.

Light curtain modules SAFEMASTER

Function Cat. / PL
acc. to
EN 13849-1*
SIL CL
acc. to
EN 62062*
1-channel/
2-channel
Output
contacts,
max.
Nominal voltage
UN 24 V DC
Thermal current
Ith [A] max.
Removable
terminals
Width
[mm]
Type
Light curtain controller 4 / e 3 1; 2 3 NO, 1 NC or 4 NO + 8 A + 22.5 LG 5925/900

Light curtain controller 4 / e 3 1; 2 2 NO, 1 NC or 3 NO + 5 A + 22.5 BG 5925/900
Light curtain controller 4 / e 3 2 2 NO, 1 NC or 3 NO + 5 A + 45 BH 5902/01MF2
NO = normally open contact, NC = normally closed contact
* Please check state of approval of idividual devices in the latest data sheet.
For multiple monitored light barriers in combination with further safety functions see SAFEMASTER C and SAFEMASTER M

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