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Ultrasonic Displacement Sensor
E4PA-N
Now, more advanced with a new mutual interference prevention function.
Application Examples
Detecting slackness in sheet materials Detecting liquid levels Remotely detecting LCD wafers Detecting dies
Features
■ High-precision detection with a ■ The Sensor is ultrasonic, so it is not affected by the
wide range of measurements.
Four types of Sensors are available with maximum sensing distances of 0.5 m, 2 m, 4 m, and 6 m. With the 0.5-m type, a repeat accuracy of 1 mm or better has been achieved.
color of objects.
A variety of materials can be measured, including transparent and reflective objects. Measurements are performed with no contact, so even highly-viscous liquids are no problem.
OK
OK
OK
OK
Transparent objects
Black objects
■ A setting plug with a temperature compensation
Reflective objects
Highly viscous liquids
function makes it easy to set the sensing range.
The sensing range can be set by the Setting Plug, which is included with the Sensor. No special controller is required. The Setting Plug’s built-in temperature sensor provides superior temperature characteristics of ±1% FS.
■ The mutual interference prevention function allows
up to five Sensors to be used in close proximity.
Setting plug
E4PA-N Ultrasonic Displacement Sensor
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Ordering Information
■ Sensors
Sensing range 50 to 500 mm 120 to 2,000 mm 240 to 4,000 mm 400 to 6,000 mm Model E4PA-LS50-M1-N E4PA-LS200-M1-N E4PA-LS400-M1-N E4PA-LS600-M1-N
■ Accessories (Order Separately)
Sensor I/O Connectors
Cable Standard Cable Straight Shape 2m 5m 4-to-5 Conductor Conversion Cable (See note.) 0.3 m --Cable length 5 conductors Model XS2F-D521-DG0-A XS2F-D521-GG0-A E4PA-C01
Note:
When you use a 4-pole sensor connector cable, the E4PA-C01 is useful for converting from 4 to 5 poles. If this is done, however, you cannot use the mutual interference prevention function.
Setting Plug
Shape Model E4PA-P1 Remarks Attached to each Sensor
Specifications
■ Ratings/Characteristics
Item Sensing range Dead band distance Standard sensing object Applied frequency Response time Power supply voltage Power consumption Analog output Protective circuit Mutual interference prevention cycle time Linearity Repeat accuracy (See note.) Temperature influence Voltage influence Ambient temperature Ambient humidity Insulation resistance Dielectric strength Vibration resistance Shock resistance Connection method Degree of protection Weight (packed) Materials E4PA-LS50-M1-N 50 to 500 mm 0 to 50 mm 100 × 100 mm flat plate Approx. 380 kHz 63 ms max. 1,800 mW max. Current output: 4 to 20 mA (Allowable load resistance: 500 Ω max.) Voltage output: 0 to 10 V (1,000 Ω min.) Load short-circuit protection, mutual interference prevention 10 ms ±1% FS max. 0.1% FS max. ±1% FS of output value at +23°C in the temperature range of -10 to 55°C ±5% FS max. within rated power supply voltage range Operating: -10 to 55°C (with no icing or condensation) Storage: -40 to 85°C (with no icing or condensation) Operating and storage: 35% to 85% (with no condensation) 50 MΩ min. (at 500 VDC) between current-carrying parts and case 1,000 VAC (50/60 Hz) for 1 min between current-carrying parts and case Destruction: 10 to 55 Hz, 1-mm double amplitude for 2 hours each in X, Y, and Z directions Destruction: 300 m/s2 three times each in X, Y, and Z directions 5-conductor connector IEC60529: IP65 Approx. 240 g Case: Sensing surface: Clamping nut: Operation Manual Stainless steel (SUS303) PBT resin, polyurethane, glass epoxy resin Stainless steel (SUS303) Approx. 320 g Approx. 400 g 34 ms 77 ms 143 ms Approx. 180 kHz 195 ms max. Approx. 85 kHz 440 ms max. Approx. 65 kHz 850 ms max. E4PA-LS200-M1-N 120 to 2,000 mm 0 to 120 mm E4PA-LS400-M1-N 240 to 4,000 mm 0 to 240 mm E4PA-LS600-M1-N 400 to 6,000 mm 0 to 400 mm
10 to 30 VDC; ripple (p-p): 10% max.
Accessories
Note:
Values are given one hour after power-up. The outputs may fluctuate due to external disturbances.
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E4PA-N Ultrasonic Displacement Sensor
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Engineering Data
■ Sensing Distances (Typical Examples)
E4PA-LS50-M1-N
Distance Y (mm)
200 150 100 50 0 -50 -100 X -150 Y -200 -400
E4PA-LS200-M1-N
Distance Y (mm)
400 300 200 100 0 -100 -200 X -300 Y
100
200
300
400
500
600
Distance X (mm)
0.5
1
1.5
2
2.5
Distance X (m)
E4PA-LS400-M1-N
Distance Y (mm)
1,000 800 600 400 200 0 -200 -400 -600 -800 -1,000 X Y 1 2 3 4 5
E4PA-LS600-M1-N
Distance Y (mm)
1,000 800 600 400 200 0 -200 -400 -600 -800 -1,000 X Y 1 2 3 4 5 6 7
Distance X (m)
Distance X (m)
Output Circuit
1 5 10 to 30 V Mutual interference prevention
Sensor I/O Connector
Class
Terminal No. Wire color code
2 4 1 3 5
E4PA-N
4 2 3 0 to 10 V
4 to 20 mA Ri≤500 Ω
Wire color code Brown White Blue Black Gray
PIn No. 1 2 3 4 5
Application
Rv≥1,000 Ω 0V
Brown White Blue Black Gray
For DC
Power supply (+V) Voltage output Power supply (0 V) Current output Mutual inte.