| Type | Retroreflective | Spot reflective |
| Type | Long sensing range | Minute object detection |
| NPN output | EX-L291 | EX-L221 |
| PNP output | EX-L291-P | EX-L221-P |
| CE marking directive compliance | EMC Directive, RoHS Directive |
|
| Sensing range | 4 m 13.123 ft (Note 2) | 45 to 300 mm 1.772 to 11.811 in (Note 3) |
| Emission spot size (Typical) | Approx. 6 × 4 mm 0.236 × 0.157 in (vertical x horizontal)
(at a sensing distance of 1 m) (Note 4) | ø1 mm ø0.039 in or less
(at a sensing distance of 300 mm) |
| Sensing object | Opaque translucent object of ø25 mm ø0.984 in or more | Opaque, translucent or transparent object (Note 7) |
Minimum sensing object (Typical)
(Note 5) | – | Gold wire of ø0.01 mm ø0.0004 in |
| Hysteresis | 20 % or less of operation distance |
|
| Repeatability | Perpendicular to sensing axis: 0.2 mm 0.0080 in or less |
|
Repeatability (Typical)
(perpendicular to sensing axis)
(Note 5) | – | 0.02 mm 0.0008 in or less
(at 100 to 200 mm sensing distance) |
| Supply voltage | 12 to 24 V DC ±10 % Ripple P-P 10 % or less |
|
| Current consumption | 15 mA or less |
|
| Output | <NPN output type>
NPN open-collector transistor
・Maximum sink current: 50 mA
・Applied voltage: 26.4 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: 26.4 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) |
|
| Output operation | Light-ON / Dark-ON selectable by the output operation switching input |
|
| Short-circuit protection | Incorporated (short-circuit protection / inverse polarity protection) |
|
| Response time | 0.5 ms or less |
|
| Operation indicator | Orange LED (lights up when the output is ON)
(incorporated on the receiver for thru-beam type) |
|
| Stability indicator | Green LED (lights up under stable light received condition or stable dark condition)
(incorporated on the receiver for thru-beam type) |
|
| Automatic interference prevention function | Incorporated (Two sensors can be mounted close together.) |
|
| Sensitivity adjuster | Continuously variable adjuster |
|
| Protection | IP67 (IEC) |
|
| Ambient temperature | -10 to +55 ℃ +14 to +131 ℉ (No dew condensation or no icing condition),
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 or less at the light-receiving face |
|
| 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, 1.5 mm 0.059 in double amplitude (10 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 three times each |
|
| Emitting element | Red semiconductor laser Class 1 (IEC / JIS/ FDA) (Note 6)
(Maximum output: EX-L291□ 0.5 mW, EX-L221□ 2 mW, Peak emission wavelength: 655 nm 0.026 mil) |
|
| Material | Enclosure: Polybutylene terephthalate, Front cover: Acylic, Lens: Glass, Indicator part: Polyarylate |
|
| Cable | 0.15 mm2 4-core (emitter of a thru-beam type: 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. |
|
| Weight | Net weight: 45 g approx., Gross weight: 60 g approx. |
|
| Accessory | RF-330 (Reflector): 1 pc.
MS-EXL2-3 (Mounting plate): 1 pc. | MS-EXL2-3 (Mounting plate): 1 pc. |
