EZ-SCREEN Systems—Grids

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Perimeter Guarding with a Grid System

Gate Monitoring with a Hinged Interlock

Overview

  • Suited to a variety of access and long-range perimeter guarding applications
  • Uses 2, 3, or 4 beams to protect personnel and machinery
  • Available with beams spaced from 300 to 584 mm, depending on model
  • Operates in ranges from 0.8 to 20 m or 15 to 70 m, depending on model
  • Displays operating status, configuration and error codes
  • Includes blocked beam zone indicators
  • Features user-configurable trip or latch outputs and Scan Code 1 or 2
  • Can be combined with other devices, such as mirrors and Points, for a custom configuration
  • Resists impact, twisting and abusive environments with a durable aluminum housing and metal end caps
  • Rated IEC 61496-1 Type 4
  • Offers optional lens shields and enclosures for added durability

Product Specifications

Supply Voltage (V in)24V dc ±15% (SELV), 10% max. ripple
Supply CurrentEmitter:150 mA max.
Receiver:500 mA max., exclusive of OSSD1 and OSSD2 loads (up to an additional 0.5 A each)
Short Circuit ProtectionAll inputs and outputs are protected from short circuits to +24V dc or dc common (except Emitter AUX power connections)
Emitter ElementsInfrared LEDs, 880 nm at peak emission
Operating RangeShort-range models:0.8 to 20 m
Long-range models:15 to 70 m
Note:Range decreases with use of mirrors and/or lens shields.
Beam SpacingSG...4-300 models:300 mm
SG...3-400 models:400 mm
SG...2-500 models:500 mm
SG...3-533 models:533.4 mm
SG...2-584 models:584.2 mm
Beam Diameter25 mm
Response Time24 milliseconds or less from interruption of light grid beam to safety outputs going to OFF-state
Reset InputThe Reset input must be high for 0.25 to 2 seconds and then low to reset the receiver.
High signal:10 to 30V dc @ 30 mA typical
Low signal:0 to 3V dc
Closed switch time:0 .25 to 2 seconds
Remote Test InputTest mode is activated either by applying a low signal (less than 3V dc) to emitter TEST #1 terminal for a minimum of 50 milliseconds, or by opening a switch connected between TEST #1 and TEST #2 for a minimum of 50 milliseconds. Beam scanning stops to simulate a blocked condition. A high signal (10 to 30V dc, 35 mA inrush, 10 mA max.) at TEST #1 terminal deactivates Test mode and allows the emitter to operate normally. Test #1 and Test #2 are factory jumpered.
EDM Input+24V dc signals from external device contacts can be monitored (one-channel, two-channel or no monitoring) using EDM1 and EDM2 terminals in the receiver. Monitored devices must respond within 200 milliseconds of an output change.
Safety OutputsTwo 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:greater than or equal to Vin-1.5V dc
OFF-state voltage:1.2V dc max.
Max. load resistance:1000 ohms
Max. load capacitance:0.1 µF
Controls and AdjustmentsEmitter:
Scan Code selection:2-position switch (code 1 or 2). Factory default position is 1.
Receiver:
Scan 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 L (Latch)
EDM/MPCE Monitor selection:redundant switches select between 1- or 2-channel monitoring. Factory default position is 2.
Safety RatingType 4 per IEC 61496-1, -2; Category 4 per ISO 13849-1 (EN 954-1)
Ambient Light ImmunityGreater than 10,000 lux @ 5° angle of incidence
Strobe ImmunityTotally immune to one Federal Signal Corp. “Fireball” model FB2PST strobe
Effective Aperture Angle (EAA)Meets Type 4 requirements per IEC 61496-2
Short range models:±2.5° @ 3 m
Long-range models:±2.5° @ 15 m
EnclosureMaterial:Extruded aluminum housing with yellow polyester powder finish and well-sealed, rugged molded PBT end caps, acrylic lens cover
Environmental RatingIEC IP65; NEMA 4, 13
Status IndicatorsEmitter and Receiver:7-segment diagnostic indicator
Dash (—):system is OK
Error Codes:see product manual p/n 68410 for code definitions and recommended action
Scan code setting (C1 or C2):appears during power-up or after scan code is changed. (Temporary indication; normal display resumes within a few seconds.)
Emitter:one bicolor (Red/Green) status indicator
Green ON steady:RUN mode
Green single flashing:TEST mode
Red single flashing:Lockout
OFF:no power to sensor
Receiver:two system status indicators, plus one bicolor (Red/Green) beam status indicator for each beam
Yellow Reset Indicator:
ON steady:RUN mode
Double flashing:waiting for manual rest after power-up
Single flashing:waiting for manual latch reset
OFF:no power to sensor or system is not ready for operation
Bicolor (Red/Green) Status Indicator:
Green ON steady:outputs ON
Red ON steady:RUN mode, outputs OFF
Red single flashing:Lockout
OFF:no power to sensor or system is not ready for operation
Bicolor (Red/Green) Beam Status Indicators:
Green ON steady:clear beam, strong signal
Green flickering:clear beam, weak signal
Red ON steady:beam blocked
OFF:no power to sensor or no scanning
Cables and ConnectionsCables are user-supplied. Wiring terminals accommodate one 22 to 16 ga. wire or two wires up to 18 ga.; Pg13.5 wiring chamber access port capacity varies, depending on cable gland or strain relief fitting used. Supplied cable gland is for a cable diameter of 6 to 12 mm.
Mounting HardwareEmitter and receiver each are supplied with a pair of swivel end-mounting brackets. Mounting brackets are 8-gauge cold-rolled steel, black zinc finish.
Shock and VibrationEZ-SCREEN components have passed vibration and shock tests according to IEC 61496-1 and -2. This includes vibration (10 cycles) of 10-55 Hz at 0.35 mm single amplitude (0.70 mm peak-to-peak) and shock of 10 g for 16 milliseconds (6,000 cycles).
Operating ConditionsTemperature:0° to +50° C
Relative humidity:95% (non-condensing)

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