Safety light curtains for space-constrained applications

Safety light curtains MLC 530 SPG Leuze with Smart Process Gating offer a space-saving alternative for access guarding on conveyor lines. Benefit from the innovative technology that excels by reliable operation and requires no muting sensors.

Provide access guarding without transport obstruction

With the innovative MLC 530 SPG safety light curtains with Smart Process Gating, process control takes place in combination with the system control. This extremely reliable Leuze’s solution prevents persons from accessing the danger zone, while at the same time allows the transported goods to pass through.

As these curtains require no additional muting sensors for bridging for the transported goods, the output stations can be designed in an especially compact and space-saving manner.

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Check advantages of the SPG safety light curtains

MLC 530 SPG Safety light curtains Leuze

With the MLC 530 SPG curtains you can provide a protective field from 150 mm up to 3000 mm with a resolution of 30/40/90 mm. Curtains with operating range of 10 m or 20 m are available.

With these curtains:

  • Save space: a particularly compact and space‑saving system design is possible because no additional trigger sensors are necessary
  • Provide reliability: passage of transported goods through the system is exceptionally reliable, even with incomplete or changing loads
  • Install easily: no service calls are required for trigger sensor alignment
  • Protect optimally: the process starts only in combination with the system control and cannot be bypassed by the operating personnel

Get to know the Operating Principle of the SPG

With Smart Process Gating (SPG) a PLC’s switching signal and interruption of the protective field by the transported goods are used as triggers for activation of the gating function. This function is monitored by the light curtain. No additional trigger sensors are required.

The gating ends either automatically or – in the case of higher conveyor line speeds – by resetting of the switching signal.

SPG Operating principle

Benefit from the safety light curtains on conveyor lines

MLC 530 SPG Safety light curtains application

Guard access on the pallet conveyor systems

On the pallet conveyor systems persons must be prevented from accessing the danger zone, while at the same time the transported goods must pass through.

The MLC 530 SPG safety light curtains with Smart Process Gating require no additional muting sensors for bridging for the transported goods. As a result, the output stations can be designed in an especially compact and space-saving manner.

Guard access at the car manufacturing plants

Access guarding at the plant needs to prevent persons from entering the danger zone, while at the same time allowing car bodies to be transported into these areas. In addition, the closed state of the pendulum flaps is also to be monitored.

The MLC 530 SPG requires no additional muting sensors for bridging for the transported goods. The space-saving solution guarantees high availability and high protection against manipulation. With the partial gating function, the safety light curtain uses its upper beams – which are always active – to simultaneously monitor the pendulum flaps as well.

MLC 530 SPG Safety light curtains application

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MLC 530 SPG Leuze

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