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PLR-3230311

The SICK PLR-3230311 is a high-performance safety light curtain designed for area safeguarding applications requiring long-range protection and advanced programmability. As part of SICK's PLR-3 series, this device provides reliable personnel protection around machinery and hazardous areas in industrial environments.

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Key Parameters
Parameter Value / Description
Article Number PLR-3230311
Device Type Type 4 Safety Light Curtain (ESPE)
System Transmitter and Receiver pair
Protective Field Range Up to 275 m (902 ft)
Beam Spacing (Resolution) 30 mm
Number of Beams e.g., 20, 30 (Confirm from nameplate)
Protective Field Height e.g., 570 mm (for 20 beams), 870 mm (for 30 beams)
Light Source Infrared LEDs (modulated, synchronized)
Response Time Typically ≤ 40 ms (per IEC standard)
Connection M23 circular connector
Electrical Data

Parameter Value
Operating Voltage 24 V DC (typically 20.4 ... 28.8 V DC)
Current Consumption ~ 150 mA per unit (Transmitter + Receiver)
Outputs 2 OSSD (Output Signal Switching Device) outputs (PNP). These are the safety-critical outputs that switch off to signal a stop.
Output Current Max. 500 mA per channel (short-circuit protected)
Control Inputs For functions like Muting, Start/Reset, EDM
Safety & Performance Data

Parameter Value / Standard
Safety Integrity Level SIL 3 according to IEC 62061
Performance Level PL e according to ISO 13849-1
Type Type 4 according to IEC 61496-1/-2
PFHd Value < 4.5 x 10⁻⁹ / h (Very low probability of dangerous failure per hour)
Ambient Conditions

Parameter Value
Operating Temperature -10 °C ... +50 °C (+14 °F ... +122 °F)
Storage Temperature -25 °C ... +70 °C (-13 °F ... +158 °F)
Ingress Protection IP65 (Dust-tight and protected against water jets)
Housing Material Aluminum / Polycarbonate