EZ-SCREEN Low-Profile Cascade Safety Light Curtain Systems

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Overview

  • Provides continuous detection without overlapping light curtains or protruding cables; flexible mounting options
  • Cascading adds only 2 ms to overall response time for each additional segment
  • Standard models can be used as end systems in the cascade
  • E-Stop, Safety Switches, or Safety Module contacts can be interfaced at the end receiver
  • Easily configured Reduced Resolution and Fixed Blanking with a remote teach option
  • Zone and Status indicators plus digital display to indicate number of beams blocked and detailed diagnostics
  • Two solid-state OSSD safety outputs; includes selectable trip/latch output
  • Selectable auxiliary output option to monitor the state of the OSSDs or monitor receiver and emitter lockouts
  • Exceeds OSHA/ANSI Control Reliability requirements, and CE certified to Type 4, Category 4 PLe and SIL 3

Product Specifications

Short Circuit ProtectionAll inputs and outputs are protected from short circuits to +24V dc or dc common.
Electrical Safety Class (IEC 61140: 1997)III
Safety RatingType 4 per IEC 61496-1, -2; Category 4 PL e per EN ISO13849-1, SIL3 per IEC 61508; SIL CL3 per IEC 62061
Operating Range0.1 m to 7 m (4 in to 23 ft) Range decreases with use of mirrors and/or lens shields:
Lens shields:approximately 10% less range per shield.
Glass-surface mirrors:approximately 8% less range per mirror.
Resolution14 mm or 25 mm, depending on model (Reduced Resolution OFF)
Effective Aperture Angle (EAA)Meets Type 4 requirements per IEC 61496-2, Section 5.2.9 ± 2.5° @ 3 m
EnclosureMaterials:Extruded aluminum housing with yellow polyester powder finish standard (optional clear anodized or static-dissipative nickel-plated finish) and well-sealed, rugged die-cast zinc end caps, acrylic lens cover, copolyester access cover. Nickel-plated models also have static-dissipative acrylic lens cover and nickel-plated end caps.
Rating:IEC IP65
Operating ConditionsTemperature:0° to +55° C (+32° to 131°F)
Max. Relative Humidity:95% maximum relative humidity (non-condensing)
Shock and VibrationEZ-SCREEN LP components have passed vibration and shock tests according to IEC 61496-1. This includes vibration (10 cycles) of 10-55 Hz at 0.35 mm (0.014
Mounting HardwareEmitter and receiver each are supplied with a pair of swivel end-mounting brackets and two swivel side-mount brackets. Models longer than 690 mm also include one or more additional side-mount bracket(s) for center support. Mounting brackets are 8-gauge cold-rolled steel, black zinc finish.
Emitter Supply Voltage at the Device24V dc ±15% (use a SELV-rated supply according to EN IEC 60950)

(The external voltage supply must be capable of buffering brief mains interruptions of 20 ms, as specified in IEC/EN 60204-1.)
Emitter Residual Ripple± 10% maximum
Emitter Supply Current60 mA max., exclusive of Fault Out load
Emitter Fault Output Switching CapacityCurrent-sourcing (PNP) solid-state output, 24V dc at 250 ma max.
Emitter Remote Test InputTest mode is activated either by applying a low signal (less than 3V dc) to emitter Test/Reset terminal for a minimum of 50 milliseconds, or by opening a switch connected between Test/Reset and +24V dc for a minimum of 50 milliseconds. Beam scanning stops to simulate a blocked condition. A high signal at Test/Reset deactivates Test mode. High Signal:10 to 30V dc
Low Signal:0 to 3V dc
Input Current:35 mA inrush, 10 mA max.
Emitter Controls and AdjustmentsScan Code Selection:2-position switch (code 1 or 2). Factory default position is code 1.
Test/Reset:2-position switch. Factory default position is Reset.
Invert Display:2-position switch. Factory default position is OFF (standard display).
Fault:2-position switch. Factory default position is OFF.
Emitter Status IndicatorsOne bi-color (Red/Green) Status indicator:indicates operating mode, lockout or power OFF condition
7-Segment Diagnostic indicator (1 digit):indicates proper operation, scan code, or error code
Wavelength of Emitter ElementsInfrared LEDs, 850 nm at peak emission
Receiver Supply Voltage at the Device24V dc ±15% (use a SELV-rated supply according to EN IEC 60950)

(The external voltage supply must be capable of buffering brief mains interruptions of 20 ms, as specified in IEC/EN 60204-1.)
Receiver Residual Ripple± 10% maximum
Receiver Supply Current (no load)150 mA max., exclusive of OSSD1 and OSSD2 loads (up to an additional 0.5 A each) and Aux Out load (up to 0.25 A)
CSSI Response TimeResponse time for a cascade receiver due to opening contacts at the cascade interface (CSSI): 40 ms max (contacts must open for 60 ms minimum).
Receiver Recovery TimeBlocked to Clear (OSSDs turn ON; varies with total number of sensing beams and whether Sync beam is blocked):
14 mm Models - Beam 1 (Sync Beam):109 ms to 800 ms
14 mm Models - All Other Beams:33 ms to 220 ms
25 mm Models - Beam 1 (Sync Beam):81 ms to 495 ms
25 mm Models - All Other Beams:25 ms to 152 ms
Receiver EDM Input+24V dc signals from external device contacts can be monitored (one-channel, two-channel or no monitoring) via EDM1 and EDM2 terminals in the receiver. High Signal:10 to 30V dc at 30 mA typical
Low Signal:0 to 3V dc
Receiver Reset InputReset input must be high for 0.25 to 2 seconds and then low to reset the receiver. High Signal:10 to 30V dc at 30 mA typical
Low Signal:0 to 3V dc
Closed Switch Time:0.25 to 2 seconds
Receiver Output Signal Switching Devices (OSSDs)Two redundant solid-state 24V dc, 0.5 A max. sourcing OSSD (Output Signal Switching Device) safety outputs. (Use optional interface modules for ac or larger dc loads.) Capable of the Banner “Safety Handshake.” ON-State voltage:≥ Vin-1.5V dc
OFF-State voltage:1.2V dc max. (0-1.2V dc)
Max. load capacitance:1.0 μF
Max. load inductance:10 H
Leakage Current:0.50 mA maximum
Cable Resistance:10 Ω maximum
OSSD test pulse width:100 to 300 microseconds
OSSD test pulse period:10 ms to 22 ms (varies with number of beams)
Switching Current:0-0.5 A
Receiver Auxiliary Output Switching Capacity (OSSD/Fault)Current-sourcing (PNP) solid-state output, 24V dc at 250 mA max.
Receiver Controls and AdjustmentsScan Code selection:2-position switch (code 1 or 2). Factory default position is code 1.
Trip/Latch Output selection:Redundant switches. Factory default position is T (trip).
EDM/MPCE monitor selection:2-position switch selects between 1- or 2-channel monitoring. Factory default position is 2-channel monitoring.
Reduced Resolution:Redundant switches. Factory default position is OFF.
Aux./Fault:2-position switch. Factory default position is Aux.
Invert Display:2-position switch. Factory default position is OFF.
Receiver Ambient Light Immunity> 10,000 lux at 5° angle of incidence
Receiver Strobe Light ImmunityTotally immune to one Federal Signal Corp. “Fireball” model FB2PST strobe
Receiver Status IndicatorsYellow Reset indicator:indicates whether system is ready for operation or requires a reset
Bi-color (Red/Green) Status indicator:indicates general system and output status
Bi-color (Red/Green) Zone Status indicators:indicate condition (clear or blocked beam) of a defined group of beams
7-Segment Diagnostic indicator (1 digit):indicates proper operation, scan code, error code, or total number of blocked beams

English

Product Instruction Manual

Document Name Part Number File Size Action
1. EZ-SCREEN LP Manual 140044 10.4MB Download
2. EZ-SCREEN LP Standard Bracket Supplement 147360 441K Download

Data Sheets

Document Name Part Number File Size Action
1. LPSS Series Snap-On Lens Shields 149566 74K Download

Checkout Procedures

Document Name Part Number File Size Action
1. 140046 EZ-SCREEN LP Cascade Daily Checkout 140046 370K Download
2. 140047 EZ-SCREEN LP Semi-Annual Checkout 140047 172K Download

Product Brochures

Document Name Part Number File Size Action
1. EZ-SCREEN LP Safety Light Screen Flyer 142815 1.5MB Download

French

Product Instruction Manual

Document Name Part Number File Size Action
1. EZ-LP Manual - French 150929 4MB Download

Checkout Procedures

Document Name Part Number File Size Action
1. EZ-LP Daily Checkout-Cascade - French 150931 143K Download

German

Product Instruction Manual

Document Name Part Number File Size Action
1. EZ-LP Manual - German 150939 3.4MB Download

Checkout Procedures

Document Name Part Number File Size Action
1. EZ-LP Daily Checkout-Cascade - German 150941 145K Download

Italian

Product Instruction Manual

Document Name Part Number File Size Action
1. EZ-LP Manual - Italian 150934 4.1MB Download

Checkout Procedures

Document Name Part Number File Size Action
1. EZ-LP Daily Checkout-Cascade - Italian 150936 139K Download

Japanese

Product Instruction Manual

Document Name Part Number File Size Action
1. EZ-SCREEN LP System - Japanese JP140044 3MB Download

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