E2CA Datasheet, PDF (3/12 Pages) Omron Electronics LLC – Linear Output Proximity Sensor with High-accuracy Resolution

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
r2% FS
r1.5% 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
Sensitivity
adjustment
function
Sensitivity adjustment
(switching output)
Linear output
current
adjustment
4 mA
20 mA
Adjustments of switching output within sensing range
4-mA adjustment at 20% of rated sensing distance
20-mA adjustment at rated sensing distance
Output
Linear output
(see note 3)
4 to 20 mA (with permissible load resistance of 0 to 300 :)
Switching output
100 mA max. transistor photocoupler output at 40 VDC with max. residual voltage of 2 V
Switching output mode
Normally open or normally closed (selectable with selector on front panel)
Cord length compensation
3 or 5 m (selectable with selector on front panel)
Indicators
POWER, SPAN (linear range), and OPER (switching output) indicators
Ambient temperature
Operating: --25qC to 70qC (Sensor) and --10qC to 55qC (Amplifier) with no icing
Ambient humidity
Operating: 35% to 95% (Sensor) and 35% to 85% (Amplifier)
Temperature influence
r10% FS max. of linear output current at 23qC in the rated ambient operating
temperature range of the Sensor and Amplifier Units
Voltage influence
DC power supply model: r0.5% FS max. of linear output current at a voltage between
80% and 120% of the rated power supply voltage
AC power supply model: r0.5% FS max. of linear output current at a voltage between
90% and 110% of the rated power supply voltage
Insulation resistance
50 M: min. (at 500 VDC) between the case and current carry parts
Dielectric strength
DC power supply model: 1,000 VAC (50/60 Hz) for 1 min between current carry parts
and case
AC power supply model: 1,500 VAC (50/60 Hz) for 1 min between current carry parts
and case
Vibration resistance
Sensor (destruction): 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and
Z directions
Amplifier (destruction): 10 to 25 Hz, 2-mm double amplitude for 2 hours each in X, Y, and
Z directions
Shock resistance
Sensor (destruction): 500 m/s² (approx. 50G) 3 times each in X, Y, and Z directions
Amplifier (destruction): 100 m/s² (approx. 10G) 3 times each in X, Y, and Z directions
Degree of protection
Sensor: IEC60529 IP67 (JEM IP67g waterproof and oil-proof)
Cord length
Sensor: 2-conductor, 3-m-long (standard length) or 5-m-long shielded cord
Weight
(see note 4)
Sensor
Amplifier
Approx. 40 g
Approx. 250 g
Approx. 140 g
Approx. 250 g
Approx. 140 g
Material
Case
Brass
Sensing surface
ABS resin
Cord
Polyethylene
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