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Omron |
Ultrasonic Displacement Sensor
E4PA-N
Now, more advanced with a new
mutual interference prevention
function.
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Application Examples
Detecting slackness in sheet
materials
Detecting liquid levels
Remotely detecting LCD
wafers
Detecting dies
Features
■ High-precision detection with a
wide range of measurements.
Four types of Sensors are available with max-
imum sensing distances of 0.5 m, 2 m, 4 m,
and 6 m. With the 0.5-m type, a repeat accu-
racy of 1 mm or better has been achieved.
■ The Sensor is ultrasonic, so it is not affected by the
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
■ A setting plug with a temperature compensation
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 con-
troller is required. The Setting Plug’s built-in tem-
perature sensor provides superior temperature
characteristics of ±1% FS.
Setting
plug
Transparent objects Black objects
Reflective
objects
Highly viscous
liquids
■ The mutual interference prevention function allows
up to five Sensors to be used in close proximity.
E4PA-N Ultrasonic Displacement Sensor
1
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
Shape
Straight
2m
5m
4-to-5 Conductor Conver-
sion Cable (See note.)
0.3 m
Cable length
5 conductors
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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
E4PA-LS50-M1-N
E4PA-LS200-M1-N
E4PA-LS400-M1-N
Sensing range
50 to 500 mm
120 to 2,000 mm
240 to 4,000 mm
Dead band distance
0 to 50 mm
0 to 120 mm
0 to 240 mm
Standard sensing object
100 × 100 mm flat plate
Applied frequency
Approx. 380 kHz
Approx. 180 kHz
Approx. 85 kHz
Response time
63 ms max.
195 ms max.
440 ms max.
Power supply voltage
10 to 30 VDC; ripple (p-p): 10% max.
Power consumption
1,800 mW max.
Analog output
Current output: 4 to 20 mA (Allowable load resistance: 500 Ω max.)
Voltage output: 0 to 10 V (1,000 Ω min.)
Protective circuit
Load short-circuit protection, mutual interference prevention
Mutual interference prevention cycle time 10 ms
34 ms
77 ms
Linearity
±1% FS max.
Repeat accuracy (See note.)
0.1% FS max.
Temperature influence
±1% FS of output value at +23°C in the temperature range of -10 to 55°C
Voltage influence
±5% FS max. within rated power supply voltage range
Ambient temperature
Operating: -10 to 55°C (with no icing or condensation)
Storage: -40 to 85°C (with no icing or condensation)
Ambient humidity
Operating and storage: 35% to 85% (with no condensation)
Insulation resistance
50 MΩ min. (at 500 VDC) between current-carrying parts and case
Dielectric strength
1,000 VAC (50/60 Hz) for 1 min between current-carrying parts and case
Vibration resistance
Destruction: 10 to 55 Hz, 1-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance
Destruction: 300 m/s2 three times each in X, Y, and Z directions
Connection method
5-conductor connector
Degree of protection
IEC60529: IP65
Weight (packed)
Approx. 240 g
Approx. 320 g
Materials
Case:
Sensing surface:
Clamping nut:
Stainless steel (SUS303)
PBT resin, polyurethane, glass epoxy resin
Stainless steel (SUS303)
Accessories
Operation Manual
Note: Values are given one hour after power-up. The outputs may fluctuate due to external disturbances.
2 E4PA-N Ultrasonic Displacement Sensor
E4PA-LS600-M1-N
400 to 6,000 mm
0 to 400 mm
Approx. 65 kHz
850 ms max.
143 ms
Approx. 400 g
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