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Inductive Proximity Sensor
E2CA
Linear Output Proximity Sensor with High-accuracy Resolution
Resolution is 0.05% of the maximum sensing distance. The model with a sensing distance of 1.2 mm ensures a resolution of 0.6 m.
Models with response frequencies ranging from 10 to 3 kHz are available.
The M30-size model ensures a sensing distance of 10 mm.
Satisfies IEC IP67 requirements, thus detecting the displacement of metal objects without being influenced by water and oil spray.
The E2CA has a standard linear output of 4 to 20 mA and connects to the Linear Discrimination Unit, Digital Panel Meter, and I/O Unit of the Programmable Controller.
The E2CA’s compact amplifier can be plugged into surface mounting sockets thus greatly reducing wiring effort and ensuring easy mounting.
Ordering Information
Shield
Size
Shielded
M8 M12 M18 M30
Sensing distance (Sn)
0.3 to 1.5 mm 0.4 to 2 mm 1 to 5 mm 2 to 10 mm
Response frequency
Linear output Switching output
10 kHz
1 kHz
10 kHz
800 Hz
5 kHz
350 Hz
3 kHz
100 Hz
Sensor Unit
Amplifier Unit DC AC
E2CA-XIR5A E2CA-X2A E2CA-X5A E2CA-X10A
E2CA-AL4C E2CA-AL4D E2CA-AL4E E2CA-AL4F
E2CA-AN4C E2CA-AN4D E2CA-AN4E E2CA-AN4F
1
E2CA
Application Examples
Detection of Metals on Other Metals
Counts the number of gear teeth. Detects mounting screws, rivets, and soldering condition
E2CA Amplifier Unit
K3TS
Output
Detection of Loosened Screws
E2CA Amplifier Unit E2CA
Improper screwing
K3TS
Loosened
Output
E2CA
Discrimination of Materials
E2CA Amplifier Unit
E2CA
Brass
K3TS Output
Iron Copper
Measurement of Sheet Angles
Measures leaned press molds and elevated boards
E2CA E2CA Metal plate
E2CA Ampli-
E2CA Ampli-
fier Unit
fier Unit K3TS
Output
Discrimination of Shapes
Detects top and bottom sides of metal caps and surface and back sides of nuts
E2CA
E2CA Amplifier Unit K3TS
Output
Measurement of Sheet Thickness
E2CA Amplifier Unit
Measurement of External Dimensions
E2CA Amplifier Unit
E2CA
Metal object
K3TS
Sensing Head
E2CA Output
Measurement of Object Deformations
E2CA Amplifier Unit
E2CA
K3TS Alarm output
K3TS Output
2
E2CA
E2CA
Specifications
Sensor model
E2CA-X1R5A
E2CA-X2A
Item
Amplifier model
E2CA-AN4C
E2CA-AL4C
E2CA-AN4D
E2CA-AL4D
Supply voltage (operating voltage range) 100 to 240 VAC 50/60 Hz (90 to 264 VAC)
12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max.
100 to 240 VAC 50/60 Hz (90 to 264 VAC)
12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max.
Current consumption
60 mA max.
70 mA max.
60 mA max.
70 mA max.
Sensing object
Ferrous metal
Sensing range (with standard sensing object)
0.3 to 1.5 mm (8 x 8 x 1 mm iron)
0.4 to 2 mm (12 x 12 x 1 mm iron)
Linear output characteristics
Resolution Linearity
0.05% FS 2% FS
1.5% FS
Response frequency 10 kHz (--1 dB) (see note 1)
10 kHz (--1 dB)
Switching output characteristics
Differential travel
Response frequency (see note 2)
2% to 5% of rated sensing distance 1 kHz
800 Hz
Sensiti.