21
8.
Type
Thru-beam
Front sensing Side sensing Side sensing
Model No.
(Note 2)
Light-ON
EX-21A
EX-23
(Note 3)
EX-29A
Dark-ON
EX-21B EX-29B
Sensing range 1m 2m
30 to 200mm
(Note 4)
Sensing object
Min. ø2.6mm opaque object
Setting distance between emit-
ter and receiver: 1m
Min. ø3mm opaque object
Setting distance between emit-
ter and receiver: 2m
ø15mm or more opaque or trans-
lucent object (Note 4, 6)
Hysteresis
-
Repeatability
perpendicular to
sensing axis
0.05mm or less 0.5mm or less
Supply voltage 12 to 24V DC±10% Ripple P-P 10% or less
Current consumption Emitter: 10mA or less, Receiver: 10mA orless 13mA or less
Output
<NPN output type>
NPN open-collector transistor
Maximum sink current: 50mA
Applied voltage: 30V DC or less (between output and 0V)
Residual voltage: 2V or less (at 50mA sink current)
1V or less (at 16mA sink current)
<PNP output type>
PNP open-collector transistor
Maximum source current: 50mA
Applied voltage: 30V DC or less (between output and +V)
Residual voltage: 2V or less (at 50mA source current)
1V or less (at 16mA source current)
Short-circuit
protection
Incorporated
Response time 0.5ms or less
Protection IP67 (IEC)
Ambient temperature -25 to +55°C (No dew condensation or icing allowed), Storage: -30 to +70°C
Ambient humidity 35 to 85% RH, Storage: 35 to 85% RH
Emitting element Red LED (modulated)
Material Enclosure: Polyethylene terephthalate, Lens: Polyalylate
Cable 0.1mm
2
3-core (thru-beam type sensor emitter: 2-core) cabtyre cable, 2m long
Net weight
Emitter, receiver: Approx. 20g each Approx. 20g
Gross weight
Approx. 50g Approx. 30g
Accessories
-
Adjusting screwdriver: 1 pc.
RF-200
Adjusting screwdriver: 1 pc.
Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com
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