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E2C / E2C-H

Separate Amplifier Proximity Sensor with Adjustment Potentiometer

E2C / E2C-H

Separate Amplifier Sensor with Sensitivity Adjustment

Standard Models

Sensors

Model E2C-CR8A/
-CR8B
E2C-X1A/
-C1A
E2C-X1R5A E2C-X2A E2C-X5A E2C-X10A E2C-C20MA
Sensing distance
(at 23°C)
1.8 mm 2 mm 3 mm 5 mm 10 mm 18 mm 50 mm
Stable
sensing
area
Ambient
temperature
0 to 0.8 mm 0 to 1 mm 0 to 1.5 mm 0 to 2 mm 0 to 5 mm 0 to 10 mm 0 to 20 mm
At 0 to 40°C 0 to 1.2 mm 0 to 1.5 mm 0 to 2 mm 0 to 2.5 mm 0 to 7 mm 0 to 15 mm 0 to 28 mm
Differential travel Refer to the amplifier unit specifications below.
Detectable object Ferrous metal (The sensing distance decreases with non-ferrous metal. Refer to Data Sheet.)
Standard sensing object Iron, 5 × 5 × 1 mm Iron, 8 ×
8 × 1 mm
Iron, 12 ×
12 × 1 mm
Iron, 18 ×
18 × 1 mm
Iron, 30 ×
30 × 1 mm
Iron, 50 ×
50 × 1 mm
Response
frequency *1
1 kHz 800 Hz 350 Hz 100 Hz 50 Hz
Ambient
temperature range
Operating/Storage: -25 to 70°C (with no icing or condensation)
Ambient
humidity range
Operating/Storage: 35% to 95% (with no condensation)
Temperature
influence
15% max. of sensing distance at 23°C in the temperature range of -25 to 70°C
Vibration resistance Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X and Y directions
Shock resistance Destruction: 500 m/s2 3 times each in X and Y directions
Degree of protection IEC 60529 IP67, in-house standards: oil-resistant
Connection method *2 Pre-wired Models
High-frequency coaxial cable (Standard cable length: 3 m)
Weight
(packed state)
Approx. 40 g Approx. 45 g Approx. 50 g Approx. 60 g Approx. 140 g Approx. 270 g Approx. 300 g
Materials Case Stainless steel Brass
Sensing
surface
ABS resin
Cable Polyethylene
Clamping
nut
--- Brass, nickel-plated (except E2C-C1A)
Toothed
washer
--- Brass, zinc-plated (except E2C-C1A)
Accessories ---

*1. The minimum value when using the solid-state control output on the Amplifier Unit.
       Measurement conditions are as follows: standard sensing object, a distance of twice the standard sensing object,
       and a set distance of half the sensing distance.
*2. Refer to 6 for cable lengths when combining Amplifier Units and Sensors.
       The characteristic impedance of the high-frequency coaxial cable is 50 Ω.

Amplifier Units

Model E2C-GE4A E2C-GF4A E2C-JC4A
E2C-JC4AP
E2C-AM4A E2C-AK4A
Power supply
voltage (operating
voltage range)
12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max. *1 100 to 240 VAC
(90 to 264 VAC)
50/60 Hz
Current
consumption
25 mA max. 45 mA max. 50 mA max. 55 mA max.
Sensing distance
adjustment range
*2
20% min. of rated sensing distance with
4-turn potentiometer
20% to 100% of rated sensing distance with 4-turn potentiometer
Differential travel
adjustment range
Differential travel fixed (10% max. of sensing distance) 1% to 5% of rated sensing distance
Response
time
Solid-
state
(Refer to the response frequency of the Proximity Sensor.)
Relay --- 20 ms max.
Control
outputs
Solid-
state
NPN
Load resistance:
4.7 kΩ,
100 mA max.
(30 VDC max.)
(Residual voltage:
1.5 V max.)
PNP
Load resistance:
4.7 kΩ,
100 mA max.
(30 VDC max.)
(Residual voltage:
1.5 V max.)
NPN
Open-collector output
100 mA max.
(30 VDC max.)
(Residual voltage:
0.7 V max.)
(E2C-JC4AP: 1 V max.)
NPN/PNP output
Open-collector output
200 mA max.
(30 VDC max.)
(Residual voltage:
1.5 V max.)
Transistor/
photocoupler
50 mA max.
(40 VDC max.)
(Residual voltage:
2 V max.)
Relay --- Relay output, SPDT
2 A at 250 VAC,
cosφ = 1
(resistive load) *3
Indicators Detection indicator (red)
(OPERATION)
Detection indicator
(red) (OPERATION)
Stability indicator
(green) (STABILITY)
Detection indicator (red) (OPERATION)
Stability indicator (green) (STABILITY)
Operation mode Changed with NO/NC switch.
Self-diagnostic
output
--- (E2C-JC4AP only)
Output transistor
turns ON when Sensor
open circuit or unstable
sensing is detected;
solid-state NPN
open-collector
50 mA max.
(30 VDC max.)
(Residual voltage:
1 V max.)
---
Timer function --- OFF-delay: 40 ±10 ms ---
Cable length
compensation
between Sensor
and Amplifier Unit
--- (E2C-JC4AP only)
3 m/5 m, terminals
Short-plate switching
Shorted: 1 to 3 m
Open: 3 to 5 m
Mode switched with 4-position switch.
Ambient
temperature
range
Operating/storage: -10 to 55°C (with no icing or condensation)
Ambient
humidity range
Operating/Storage: 35% to 85% (E2C-JC4AP: 35% to 95%) (with no condensation)
Temperature
influence
10% max. of sensing distance at 23°C in the temperature range of -10 to 55°C
Voltage influence DC Models: ±1% max. of sensing distance at rated voltage in the rated voltage ±20% range
AC Models: ±1% max. of sensing distance at rated voltage in the rated voltage ±10% range
Insulation
resistance
50 MΩ min. (at 500 VDC) between current-carrying parts and case
Dielectric
strength
DC Models: 1,000 VAC, 50/60 Hz for 1 min between current-carrying parts and case
AC Models: 1,500 VAC, 50/60 Hz for 1 min between current-carrying parts and case
Vibration
resistance
Destruction: 10 to 25 Hz, 2-mm
double amplitude for 2 hours each in
X, Y, and Z directions
Destruction: 10 to 55
Hz, 1.5-mm double
amplitude for 2 hours
each in X, Y, and Z
directions
Destruction: 10 to 25 Hz, 2-mm double
amplitude for 2 hours each in X, Y, and
Z directions
Shock resistance Destruction: 100 m/s2 3 times each in X, Y, and Z directions
Life expectancy --- Mechanical:
10,000,000
operations min.
Electrical: 100,000
operations min.
Connection
method
Terminal block Pre-wired Models
(Standard cable length:
2 m)
Terminal block
Weight (packed
state) *4
Approx. 20 g E2C-JC4A: Approx. 50 g
E2C-JC4AP: Approx 80 g
Approx. 140 g Approx. 250 g
Accessories Instruction manual Caution labels, Mounting
Bracket (E2C-JC4A: M3
× 15 Phillips mounting
screw), instruction
manual
Instruction manual

*1. A full-wave rectification power supply of 24 VDC ±10% (average value) can be used (except for the E2C-GE4[]).
*2. The sensing distance range required to maintain performed is given for using the Amplifier Unit in combination with
       the Sensor.
*3. Internal relay: G2R-14 DC 12V
*4. The weight of the Connection Socket is not included.

Heat-resistant Models

Sensors

Model E2C-X1R5AH E2C-X2AH E2C-X5AH
Detectable object Ferrous metal (The sensing distance decreases with non-ferrous metal, refer to Datasheet.)
Standard sensing object Iron, 8 × 8 × 1 mm Iron, 12 × 12 × 1 mm Iron, 18 × 18 × 1 mm
Stable sensing area 0 to 1.5 mm 0 to 2 mm 0 to 5 mm
Differential travel 0.04 mm max. 0.1 mm max.
Response frequency *1 300 Hz
Ambient temperature range Operating/Storage: -10 to 200°C (with no icing or condensation)
Ambient humidity range Operating/Storage: 35% to 95% (with no condensation)
Temperature influence ±0.2%/°C
Vibration resistance Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance Destruction: 500 m/s2 3 times each in X, Y, and Z directions
Degree of protection IEC 60529 IP60 *2
Connection method Pre-wired Models (Cable length: 3 m)
Heat-resistant, high-frequency coaxial cable
Weight (packed state) Approx. 50 g Approx. 60 g Approx. 140 g
Materials Case Brass
Sensing surface PEEK (polyether ether ketone)
Cable Fluorine resin
Clamping nut Brass, nickel-plated
Toothed washer Iron, zinc-plated

Note: Ratings and characteristic are given for 50% of the stable sensing area.
*1. Measurement conditions are as follows: standard sensing object, a distance of twice the standard sensing object,
       and a set distance of half the sensing distance.
*2. Do not operate the Sensor in areas exposed to water vapor because the enclosure is not waterproof.

Amplifier Units

Model E2C-JC4CH E2C-JC4DH E2C-JC4EH
Power supply voltage *1
(operating voltage range)
12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max.
Current consumption 45 mA max.
Sensing distance adjustment range *2 20% to 100% of rated sensing distance
4-turn potentiometer
Control
outputs
Load current NPN open collector, 100 mA max. (30 VDC max.)
Residual voltage 0.8 V max.
Indicators Detection indicator (red)
Operation mode Changed with NO/NC switch.
Cable length compensation Switched between 3 and 5 m.
Ambient temperature range Operating/storage: -10 to 55°C (with no icing or condensation)
Ambient humidity range Operating/storage: 35% to 85% (with no condensation)
Temperature influence ±0.08%/°C
Voltage influence ±2% max. of sensing distance at rated voltage in the rated voltage ±20% range
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, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance Destruction: 100 m/s2 3 times each in X, Y, and Z directions
Degree of protection IEC 60529 IP20
Connection method Pre-wired Models (Cable length: 2 m)
Weight (packed state) Approx. 80 g
Accessories Caution labels, Mounting Bracket, instruction manual

*1. A full-wave rectification power supply of 24 VDC ±10% (average value) can be used.
*2. The sensing distance range required to maintain performed is given for using the Amplifier Unit in combination with
       the Sensor.