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          Safety Light CurtainGL-S series

          GL-S28SH

          Slim type 28 beam axes

          SPECIFICATIONS

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          Model

          GL-S28SH

          Type

          Slim type

          Detection capability

          ø25 mm ø0.98"

          Beam axis spacing

          20 mm 0.79"

          Operating distance

          0.1 to 2 m 0.3' to 6.6'

          Effective aperture angle

          Max. ±3.75° (when the operating distance is 2 m 6.6')

          Light source

          Infrared LED (870 nm)

          Response time(ms)

          Wire synchronization, one-line, or optical synchronization system (channel 0)

          ON→OFF

          7.4*1

          OFF→ON

          50*2

          Optical synchronization system (channel A or B)

          ON→OFF

          10.2*1

          OFF→ON

          54*2

          OSSD operation

          Turns on when no interruptions are present in the detection zone

          Synchronization between the transmitter and receiver

          Optical synchronization or wire synchronization
          (determined by the wiring)

          Light interference prevention function

          Optical synchronization: prevented by Channel A and B with setting switch
          Wire synchronization: prevented automatically

          Control output (OSSD output)

          Output type

          2 transistor outputs
          (PNP or NPN output is determined by the cable type.)

          Max. load current

          Max. 300 mA

          Residual voltage (when ON)

          Max. 2.5 V (with a cable length of 5 m 16.4')

          OFF state voltage

          Max. 2.0 V (with a cable length of 5 m 16.4')

          Leakage current

          Max. 200 µA

          Max. load capacitance

          2.2 µF

          Load wiring resistance

          Max. 2.5 Ω

          Inputs 1 and 2

          Short-circuit current: approx. 1 mA

          Power supply

          Power supply voltage

          24 VDC ±20%, ripple (P-P) 10% or less, Class 2

          Current consumption(mA)

          When the center indicator is ON

          Transmitter

          44*3

          Receiver

          67*3

          When the center indicator is OFF

          Transmitter

          29*3

          Receiver

          52*3

          Protection circuit

          Reverse current protection, short-circuit protection and surge protection for each output

          Approved standards

          EMC

          EMS

          IEC61496-1, EN61496-1, UL61496-1

          EMI

          EN55011 ClassA, FCC Part15B ClassA, ICES-003 ClassA

          Safety

          IEC61496-1, EN61496-1, UL61496-1 (Type 4 ESPE)
          IEC61496-2, EN61496-2, UL61496-2 (Type 4 AOPD)
          IEC61508, EN61508 (SIL3), IEC62061, EN62061 (SIL CL3)
          EN ISO13849-1: 2015 (Category 4, PLe)
          UL508, UL1998
          GB4584

          Environmental resistance

          Enclosure rating

          IP65/IP67 (IEC60529)

          Overvoltage category

          II

          Ambient light

          Incandescent lamp: 3,000 lux or less, Sunlight: 20,000 lux or less

          Operating ambient temperature

          -10 to +50 °C 14 to 122 °F (No freezing)

          Storage temperature

          -25 to +60 °C -13 to 140 °F (No freezing)

          Operating relative humidity

          15 to 85 % RH (no condensation)

          Storage relative humidity

          15 to 95 % RH

          Vibration resistance

          10 to 55 Hz, Double amplitude 0.7 mm 0.03", 20 sweeps in each of the X, Y, and Z directions

          Shock resistance

          100 m/s2 (Approx. 10 G), 16 ms pulse, 1,000 times in each of the X, Y, and Z directions

          Material

          Main unit case

          Polyarylate

          Weight

          Transmitter

          215 g

          Receiver

          220 g

          *1 If the response time (ON to OFF) exceeds 20 ms, this unit cannot be used as a certified product based on the Chinese standard GB 4584 “压力机用光电保护装置技术条件”. * When the GL-S units are connected in series, the response time is calculated according to the following steps;
          1. Sum up the response time of all unit.
          2. Subtract the following time from the result of previous step.

          ■ ON→OFF
          One sub unit connected: 2 ms
          Two sub units connected: 4.2 ms
          (When using Optical synchronization system and Channel A or B)
          One sub unit connected: 2.7 ms
          Two sub units connected: 5.7 ms

          ■ OFF→ON
          One sub unit connected: 42 ms
          Two sub units connected: 84 ms

          *2 If the response time (ON to OFF) exceeds 20 ms, this unit cannot be used as a certified product based on the Chinese standard GB 4584 “压力机用光电保护装置技术条件”. * When the GL-S units are connected in series, the response time is calculated according to the following steps;
          1. Sum up the response time of all unit.
          2. Subtract the following time from the result of previous step.

          ■ ON→OFF
          One sub unit connected: 2 ms
          Two sub units connected: 4.2 ms
          (When using Optical synchronization system and Channel A or B)
          One sub unit connected: 2.7 ms
          Two sub units connected: 5.7 ms

          ■ OFF→ON
          One sub unit connected: 42 ms
          Two sub units connected: 84 ms
          If the interruption is present in the detection zone for less than 80 ms, the response time (OFF to ON) will be 80 ms or more to ensure that the OSSD maintains the OFF state for more than 80 ms.
          *3 The control output (OSSD) current is not included. When inputs are turned ON, the current consumption increases by 1 mA per input.

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