Main Unit Hand-protection Type 28 Optical Axes

Model

GL-R28H

Detection capability

ø0.98" ø25 mm

Beam axis spacing/Lens diameter

20 mm / ø5 0.79" / ø0.20"

Detecting distance

0.66 to 49.21' 0.2 to 15 m^*1

Effective aperture angle

Max. ±2.5° (When operating distance is 9.84' 3 m or more)

Light source

Infrared LED (870 nm)

Response time (OSSD) (ms)

Wire synchronization, One-line or
Optical synchronization system (Channel 0)

ON→OFF

7.4

OFF→ON

50^*2

All blocked→ON

66.6^*3

Optical synchronization system
(Channel A or B)

ON→OFF

10.2

OFF→ON

54^*2

All blocked→ON

77.5^*3

Detection mode

Turns on when no interruptions are present in the detection zone

Synchronization between the transmitter and receiver

Optical synchronization or Wire synchronization (Determined by wiring)

Light interference prevention function

Prevents mutual interference in up to two GL-R systems.
Optical synchronization: prevented by Channel A and B with setting switch
Wire synchronization: prevented automatically

Control output
(OSSD output)

Output

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

Max. load current

500 mA^*4

Residual voltage (during ON)

Max. 2.5 V (with a cable length of 16.40' 5 m)

OFF state voltage

Max. 2.0 V (with a cable length of 16.40' 5 m)

Leakage current

Max. 200 µA

Max. capacitive load

2.2 µF

Load wiring resistance

Max. 2.5 Ω

Supplemental output
(Non-safety-related output)

AUX

transistor outputs. (PNP or NPN is determined by the cable type)
Load current: Max. 50 mA, Residual voltage: Max. 2.5 V (with a cable length of 16.40' 5 m)

Error output

Muting lamp output

Incandescent lamp (24 VDC, 1 to 5.5 W)
LED lamp (load current: 10 to 230 mA) can be connected.

External input

When using a PNP output cable

EDM input
Wait input
Reset input
Muting input 1, 2
Override input

ON voltage: 10 to 30 V
OFF voltage: Open or 0 to 3 V
Short circuit current: Approx. 2.5 mA (Approx. 10 mA with EDM input only)

When using an NPN output cable

ON voltage: 0 to 3 V
OFF voltage: Open or 10 V or more
Up to the power voltage
Short circuit current: Approx. 2.5 mA (Approx. 10 mA with EDM input only)

Power supply

Power voltage

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

Current
consumption
(Max.) (mA)

Transmitter

59

Receiver

73

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)
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

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 14 to 131 °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

Aluminum

Upper case/lower case

Nylon (GF 30%)

Front cover

Polycarbonate, SUS304

Weight

Transmitter

770 g

Receiver