Panasonic / Sunx Specifications

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Type Thru-beam Retroreflective Diffuse reflective
Front sensing Side sensing Side sensing Side sensing
Model No.
(Note 2)
Light-ON EX-21A
(-PN)
EX-23
(-PN)
(Note 3)
EX-29A
(-PN)
EX-22A
(-PN)
Dark-ON EX-21B
(-PN)
EX-29B
(-PN)
EX-22B
(-PN)
Sensing range 1 m
3.281 ft
2 m
6.562 ft
30 to 200 mm
1.181 to 7.874 in
(Note 4)
5 to 160 mm 0.197
to 6.299 in
 (Note 5)
with white non-glossy paper (200 x 200 mm)
(7.874 x 7.874 in)
Sensing object Min. ø2.6 mm ø0.102 in
opaque object
(Setting distance
between emitter and
receiver: 1 m 3.281 ft)
Min. ø3 mm ø0.118 in
opaque object
(Setting distance
between emitter and
receiver: 2 m 6.562 ft)
ø15 mm ø0.591 in or
more opaque or translucent object
(Note 4, 6)
Opaque,
translucent or
transparent
object
(Note 6)
Hysteresis 15 % or less of operation distance [200 x 200 mm 7.874 x 7.874 in (with white non-glossy paper)]
Repeatability
(perpendicular to sensing axis)
0.05 mm 0.002 in or less 0.5 mm
0.020 in or less
0.3 mm
0.012 in or less
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption Emitter: 10 mA or less, Receiver: 10 mA or less 13 mA or less
Output <NPN output type>
NPN open-collector transistor
・Maximum sink current: 50 mA
・Applied voltage: 30 V DC or less (between output and 0 V)
・Residual voltage: 2 V or less (at 50 mA sink current)
1 V or less (at 16 mA sink current)<PNP output type>
PNP open-collector transistor
・Maximum source current: 50 mA
・Applied voltage: 30 V DC or less (between output and +V)
・Residual voltage: 2 V or less (at 50 mA source current)
1 V or less (at 16 mA source current)
Utilization category DC-12 or DC-13
Short-circuit protection Incorporated
Response time 0.5 ms or less
Operation indicator Orange LED
(lights up when the output is ON) (thru-beam type: located on the receiver)
Stability indicator Green LED (lights up under stable light received condition
or stable dark condition), located on the receiver
Green LED (lights up under stable light received condition or stable dark condition)
Sensitivity adjuster Continuously variable adjuster,
located on the emitter
Continuously variable adjuster
Operation mode switch Located on the receiver
Pollution degree 3 (Industrial environment)
Protection IP67 (IEC)
Ambient temperature -25 to +55 ℃ -13 to +131 
(No dew condensation or icing allowed),
Storage: -30 to +70 ℃ -22 to +158 
Ambient humidity 35 to 85 % RH, Storage: 35 to 85 % RH
Ambient illuminance Incandescent light: 3,000 lx at the light-receiving face
EMC EN 60947-5-2
Voltage withstandability 1,000 V AC for one min. between all supply terminals connected together and enclosure
Insulation resistance 20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure
Vibration resistance 10 to 500 Hz frequency, 3 mm 0.118 in amplitude (20 G max.) in X, Y and Z directions for two hours each
Shock resistance 500 m/s2 acceleration (50 G approx.) in X, Y and Z directions for three times each
Emitting element Red LED (modulated)
Peak emission wavelength 640 nm
0.025 mil
650 nm
0.026 mil
680 nm
0.027 mil
680 nm
0.027 mil
Material Enclosure: Polyethylene terephthalate, Lens: Polyalylate
Cable 0.1 mm2 3-core (thru-beam type sensor emitter: 2-core) cabtyre cable, 2 m 6.562 ft long
Cable extension Extension up to total 50 m 164.042 ft is possible with 0.3 mm2, or more, cable (thru-beam type: both emitter and receiver).
Weight Net weight (each emitter and receiver): 20 g approx.
Gross weight: 60 g approx.
Net weight: 20 g approx., Gross weight: 45 g approx.
Accessories Adjusting screwdriver:
1 pc.
RF-200 (Reflector): 1 pc.
Adjusting screwdriver: 1 pc.
Adjusting screwdriver:
1 pc.