 
Safety Light Curtain
GL-R series
Main Unit, Hand-protection Type, 20 Optical Axes GL-R20HG
 
*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.
Specifications
| Model | GL-R20HG | |||
| Detection capability | ø25 mm | |||
| Total length | 400mm | |||
| No. of beam | 20 | |||
| Detection height | 425 mm | |||
| Protection height | 380 mm | |||
| Beam axis spacing/Lens diameter | 20 mm / ø5 | |||
| Detecting distance | 0.2 to 15 m | |||
| Effective aperture angle | Max. ±2.5° (When operating distance is 3 m or more) | |||
| Light source | Infrared LED (870 nm) | |||
| Response time (OSSD) (ms) | Wire synchronisation, One-line or | ON→OFF | 6.6 | |
| OFF→ON | 48.7*1 | |||
| All blocked→ON | 63.1*2 | |||
| Optical synchronisation system | ON→OFF | 8.8 | ||
| OFF→ON | 52*1 | |||
| All blocked→ON | 71.9*2 | |||
| Detection mode | Turned on when light is being applied to all optical axes | |||
| Synchronisation between the transmitter and receiver | Optical synchronisation or Wire synchronisation (Determined by wiring) | |||
| Light interference prevention function | Prevents mutual interference in up to two GL-R systems. | |||
| Control output | Output | 2 transistor outputs. (PNP or NPN is determined by the cable type) | ||
| Max. load current | 500 mA*3 | |||
| Residual voltage (during ON) | Max. 2.5 V (with a cable length of 5 m) | |||
| OFF state voltage | Max. 2.0 V (with a cable length of 5 m) | |||
| Leakage current | Max. 200 µA | |||
| Max. capacitive load | 2.2 µF | |||
| Load wiring resistance | Max. 2.5 Ω | |||
| Supplemental output | AUX | transistor outputs. (PNP or NPN is determined by the cable type) | ||
| Error output | ||||
| Muting lamp output | Incandescent lamp (24 VDC, 1 to 5.5 W) | |||
| External input | When using a PNP output cable | EDM input | ON voltage: 10 to 30 V | |
| When using an NPN output cable | ON voltage: 0 to 3 V | |||
| Power supply | Power voltage | 24 VDC ±20%, ripple (P-P) 10% or less, Class 2 | ||
| Current | Transmitter | 53 | ||
| Receiver | 71 | |||
| Protection circuit | Reverse current protection, short-circuit protection for each output, 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) | |||
| 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 +55 °C (No freezing) | |||
| Operating relative humidity | 15 to 85 % RH (No condensation) | |||
| Storage temperature | -25 to +60 °C (No freezing) | |||
| Storage relative humidity | 15 to 95 % RH | |||
| Vibration resistance | 10 to 55 Hz, Double amplitude 0.7 mm, 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 | Aluminium | ||
| Upper case/lower case | Nylon (GF 30%) | |||
| Front cover | Polycarbonate, SUS304 | |||
| Weight | Transmitter | 550 g | ||
| Receiver | ||||
| *1 If the interruption is present in the detection zone for less than 80 ms, the response time (OFF to ON) will | ||||
 
