4

E2C/E2C-H

Amplifier Units

Model

E2C-GE4A

E2C-GF4A

E2C-JC4A

E2C-JC4AP

E2C-WH4A

E2C-AM4A

E2C-AK4A

Item

Power supply volt-

age (operating volt-

age range)

100 to 240 VAC

(90 to 264 VAC)

50/60 Hz

Current

consumption

25 mA max.

45 mA max.

25 mA max.

50 mA max.

55 mA max.

Sensing distance

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

Re-

sponse

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

k

Ω,

100 mA max.

(40 VDC max.)

(Residual voltage:

1.5 V max.)

PNP

Load resistance: 4.7

k

Ω,

100 mA max.

(40 VDC max.)

(Residual voltage:

1.5 V max.)

NPN

Open-collector output

100 mA max.

(40 VDC max.)

(Residual voltage:

0.7 V max.)

(E2C-JC4AP: 1 V

max.)

NPN/PNP output

Open-collector output

200 mA max.

(40 VDC max.)

(Residual voltage: 1.5 V max.)

Transistor/photocou-

pler

50 mA max.

(40 VDC max.)

(Residual voltage:

2V max.)

Relay

---

Relay output, SPDT

2 A at 250 VAC, cos

φ

= 1

(resistive load) *3

Indicators

Detection indicator (red)

(OPERATION)

Detection indicator

(red) (OPERATION)

Stability indicator

(green) (STABILITY)

Detection indicator

(red) (OPERATION)

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 Sen-

sor open circuit or un-

stable sensing is

detected; solid-state

NPN

open-collector

50 mA max.

(40 VDC max.)

(Residual voltage:

1V 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

Switched between 3

and 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 M

Ω 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 ampli-

tude for 2 hours each in X, Y, and Z directions

Destruction: 10 to

55 Hz,

1.5-mm double ampli-

tude for 2 hours each

in X, Y, and Z direc-

tions

Destruction: 10 to 25 Hz, 2-mm double amplitude for 2 hours each in

X, Y, and Z directions