Specifications table for model LA-A1
ItemPerformance characteristics
CE Marking Directive ComplianceEMC Directive, RoHS Directive
TypeNPN output type
Applicable Sensor HeadLA-305
Supply Voltage 12 to 24 V DC plus or minus 10 % Ripple P-P 10 % or less
Current Consumption120 mA or less (including sensor heads)
Comparative Outputs (HIGH, LOW)NPN open-collector transistor
-Maximum sink current: 100 mA
-Applied voltage: 30 V DC or less
(between comparative output and 0 V)
-Residual voltage: 1.5 V or less (at 100 mA sink current), 0.5 V or less (at 16 mA sink current)
Comparative Outputs (HIGH, LOW): Utilization CategoryDC-12 or DC-13
Comparative Outputs (HIGH, LOW): Response Time0.5 ms or less
Comparative Outputs (HIGH, LOW): Output OperationHIGH output: ON when the received beam level is equal to or lower than HIGH (Over-dark) level
LOW output: ON when the received beam level is equal to or higher than LOW (Under-dark) level
Comparative Outputs (HIGH, LOW): Short-Circuit ProtectionIncorporated
Analog OutputAnalog voltage
Output voltage: 1 V (Darkest) to 5 V (Lightest)
Output impedance: 75 Ohm
Analog Output: Slew Rate8 V/ms or more
Analog Output: Temperature Characteristics0.05 % F.S./℃ or less
External SynchronizationIncorporated
(Either gate trigger or edge trigger is selectable)
Indicators: Power Green LED (lights up when the power is ON)
Indicators: Stable Incident BeamThree green LEDs
(light up in three stages in proportion to the amount of beam received)
Indicators: OperationTwo orange LEDs
(light up when High and Low comparative outputs are ON, respectively)
Indicators: External SynchronizationGreen LED
(lights up when the comparative outputs are effective)
Adjusters: Span15-turn adjuster sets the span for the analog output voltage
Adjusters: Shift15-turn adjuster sets the offset for the analog output voltage
Adjusters: HIGH (Over-Dark) Level15-turn adjuster sets the HIGH output threshold level
(Over-dark level)
Adjusters: LOW (Under-Dark) Level15-turn adjuster sets the LOW output threshold level
(Under-dark level)
Environmental Resistance: Ambient Temperature0 to +50 ℃ +32 to +122℉ (No dew condensation),
Storage: -20 to +70℃ -4 to +158℉
Environmental Resistance: Ambient Humidity35 to 85 % RH, Storage: 35 to 85 % RH
Voltage Withstandability1,000 V AC for one min. between all supply terminals connected together and enclosure
Insulation Resistance20 MΩ , or more, with 250 V DC megger between all supply terminals connected together and enclosure
Environmental Resistance: Vibration Resistance10 to 150 Hz frequency, 0.75 mm 0.030 in double amplitude in X, Y and Z directions for two hours each
Environmental Resistance: Shock Resistance500 m/s2 acceleration (50 G approx.) in X, Y and Z directions three times each
MaterialEnclosure: Heat-resistant ABS
Terminal cover: Heat-resistant ABS
Front cover: Polycarbonate
Cable0.22 mm2 (shield wire: 0.15 mm2) 7-core composite cabtyre cable, 2 m 6.562 ft long
Cable ExtensionExtension up to total 50 m 164.042 ft is possible with 0.22 mm2, or more, cable. (Shield wire must be extended with 0.15 mm2, or more, shield wire.)
(Note)This product is CE compliant and complies with EMC directives. EN 61000-6-2 is the applicable standard that covers immunities relating to use of this product, but in order to comply with this standard, the following conditions must be satisfied.

The amplifier should be connected less than 10 m 32.808 ft from the power supply. The signal line to connect with the amplifier should be less than 30 m 98.425 ft.
Weight (Typ.)Net weight: 200 g approx.
AccessoryAdjusting screwdriver: 1 pc.

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