Main Unit, Body-protection Type, 26 Optical Axes GL-R26L

GL-R26L - Main Unit, Body-protection Type, 26 Optical Axes

  • CE Marking
  • UL Listing(c/us)




Detection capability

ø45 mm

Beam axis spacing/Lens diameter

40 mm / ø5

Detecting distance

0.2 to 15 m*1

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
Optical synchronisation system (Channel 0)





All blocked→ON


Optical synchronisation system
(Channel A or B)





All blocked→ON


Detection mode

Turns on when no interruptions are present in the detection zone

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

Control output
(OSSD 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 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
(Non-safety-related output)


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 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

(Max.) (mA)





Protection circuit

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

Approved standards



IEC61496-1, EN61496-1, UL61496-1


EN55011 ClassA, FCC Part15B ClassA, ICES-003 ClassA


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)

Environmental resistance

Enclosure rating

IP65/IP67 (IEC60529)

Overvoltage category


Ambient light

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

Operating ambient temperature

-10 to +55 °C (No freezing)

Storage temperature

-25 to +60 °C (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, 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


Main unit case


Upper case/lower case

Nylon (GF 30%)

Front cover

Polycarbonate, SUS304



1440 g


1450 g

*1 When the option front protection cover is installed on the one of transmitter or receiver, the Operating distance is shorten by 0.5 m. When the front covers are installed on both of the transmitter and receiver, the Operating distance is shorten by 1.0 m.
*2 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 “All blocked” means the situation where the GL-R operates in optical synchronisation system and the
transmitter and receiver is not synchronised (top and bottom beam axes are both blocked). In this situation,
the response time is longer because the GL-R synchronises the transmitter and receiver fi rst and then
determines the clear or blocked.
*4 When the GL-R is used under surrounding air temperatures between 50 to 55°C, the Maximum load current should not exceed 350 mA.

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