MLC 530 SPG Smart Process Gating
The MLC 530 SPG safety light curtains with Smart Process Gating offer a space-saving alternative for access guarding on conveyor lines. This innovative technology allows process control to take place in combination with system control. The solution does not require any muting sensors and delivers exceptional reliability.
Advantages for you
- Allows a particularly compact and space‑saving system design because no additional trigger sensors are necessary
- Reliable passage of transported goods through the system, even with incomplete or changing loads
- No service calls required for trigger sensor alignment
- The process starts only in combination with the system control and cannot be bypassed by the operating personnel. This provides optimum protection.
- Option for additional mechanical damper status monitoring
- Enhanced manipulation protection
- Reduction in shutdowns caused by overhanging loads or packaging material
- Higher resolution and shorter safety distances are possible compared to multiple light beam safety devices / light barriers
No trigger sensors required
With Smart Process Gating, process control takes place in combination with the system control. A switching signal provided by the PLC and interruption of the protective field by the transported goods are used as triggers for activation of the gating function. No additional trigger sensors are required.
Operating principle and signal response
The gating function (bridging of the protective field) is activated by the correct sequence of switching signal and protective field violation and monitored by the light curtain. The gating ends either automatically after the transported goods pass through or – in the case of higher conveyor line speeds – by resetting the switching signal.
Application
Access guarding with Smart Process Gating
Requirement:
Access guarding on the pallet conveyor systems is to prevent persons from accessing the danger zone, while at the same time allowing the transported goods to pass through.
Solution:
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.
Access guarding in the paint booth
Requirement:
Access guarding 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.
Solution:
The MLC 530 SPG safety light curtains with Smart Process Gating require 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.
Technical properties
| Features | MLC 530 SPG | MLC 535 SPG RR |
| Necessary control / achievable performance level | Standard PLC / PL d Safety PLC / PL e | Standard PLC / PL d Safety PLC / PL e |
| Protective field lengths | 14 mm: 900–1,800 mm in 300 mm increments 30 mm, 40 mm 150–3,000 mm 90 mm: 450–3,000 mm in 150 mm increments | 14 mm: 1,200 mm 30 mm: 600–1,200 mm 40 mm: 900–2,100 mm in 150 mm increments |
| Resolutions | 14 mm, 30 mm, 40 mm, 90 mm mixed (optional) | 14 mm, 30 mm, 40 mm mixed (optional) |
| Operating range | 10 m, 20 m | 10 m, 20 m |
| Profile cross section | 29 x 35 mm | 29 x 35 mm |
| Temperature range | -30°C ... 55°C | -30°C ... 55°C |
| Reaction time | 100 ms | 50 ms or 100 ms |
| Functions | ||
| Blanking | X | |
| Partial gating | X | |
| Qualified stop | X | |
| MaxiScan | X | X |
| Reduced resolution | X |
- Resolution: 14 mm
- Protective field height: 1,800 mm
- Version: Smart Process Gating
- Operating range, max.: 0 ... 6 m
- Resolution: 14 mm
- Protective field height: 1,800 mm
- Resolution: 20 mm
- Protective field height: 1,800 mm
- Version: Smart Process Gating
- Operating range, max.: 0 ... 15 m
- Resolution: 20 mm
- Protective field height: 1,800 mm
- Resolution: 30 mm
- Protective field height: 150 mm
- Version: Smart Process Gating
- Operating range, max.: 0 ... 10 m
- Resolution: 30 mm
- Protective field height: 150 mm
- Resolution: 30 mm
- Protective field height: 225 mm
- Version: Smart Process Gating
- Operating range, max.: 0 ... 10 m
- Resolution: 30 mm
- Protective field height: 225 mm
- Resolution: 30 mm
- Protective field height: 300 mm
- Version: Smart Process Gating
- Operating range, max.: 0 ... 10 m
- Resolution: 30 mm
- Protective field height: 300 mm
- Resolution: 30 mm
- Protective field height: 450 mm
- Version: Smart Process Gating
- Operating range, max.: 0 ... 10 m
- Resolution: 30 mm
- Protective field height: 450 mm
- Resolution: 30 mm
- Protective field height: 600 mm
- Version: Smart Process Gating
- Operating range, max.: 0 ... 10 m
- Resolution: 30 mm
- Protective field height: 600 mm
- Resolution: 30 mm
- Protective field height: 750 mm
- Version: Smart Process Gating
- Operating range, max.: 0 ... 10 m
- Resolution: 30 mm
- Protective field height: 750 mm
- Resolution: 30 mm
- Protective field height: 900 mm
- Version: Smart Process Gating
- Operating range, max.: 0 ... 10 m
- Resolution: 30 mm
- Protective field height: 900 mm
- Resolution: 30 mm
- Protective field height: 1,050 mm
- Version: Smart Process Gating
- Operating range, max.: 0 ... 10 m
- Resolution: 30 mm
- Protective field height: 1,050 mm
- Resolution: 30 mm
- Protective field height: 1,200 mm
- Version: Smart Process Gating
- Operating range, max.: 0 ... 10 m
- Resolution: 30 mm
- Protective field height: 1,200 mm
- Resolution: 30 mm
- Protective field height: 1,350 mm
- Version: Smart Process Gating
- Operating range, max.: 0 ... 10 m
- Resolution: 30 mm
- Protective field height: 1,350 mm