12

E2C/E2C-H

The E2C-AK4A supports relay and transistor/photocoupler outputs, and the E2C-AM4A supports both NPN and PNP open-collector output. They can be connected to

a wide variety of load types and power polarities.

Nomenclature and Timing Charts

Amplifier Units

Model

E2C-AK4A

E2C-AM4A

Load

DC load

• Relay

• Solenoid

Solid-

state

load

Current-sinking

load (photocou-

pler)

• Programmable

Controller

• Sensor

Controller

Voltage loads

(logic circuit)

E2C-G

@4A

E2C-JC4A

1

Tc

2

Ta

Load

Power

supply

Amplifier Unit

Relay output

DC or

AC

8

(12 to 24 V)

2

1

(0 V)

7

*

Amplifier Unit

NPN output

PNP Output

200 mA max.

* Use 40 V maximum when connecting the load to a separate

power supply.

Load

Load

6

5

Load

Amplifier Unit

Transistor/photocoupler output

50 mA max.

* For a current-sourcing load, connect to the negative side of the

transistor/photocoupler output.

1

7

(0 V)

(12 to 24 V)

8

Amplifier Unit

2 (PNP output)

NPN output

200 mA max.

* For a current-sourcing load, connect the PNP output.

Load

(0 V)

7

6

5

Amplifier Unit

Transistor/photocoupler output (12 to 24 V)

(12 to 24 V)

8

2

(0 V)

7

Amplifier Unit

PNP Output

NO

NC

Present

Not present

ON

OFF

Operation switch

Sensing object

Detection indicator (red)

Transistor output

(voltage output)

ON

OFF

Timing Chart

Changes

NO/NC.

Detection indicator (red)

Operation

switch

Sensing distance adjuster

(4-turn potentiometer)

40 ms

40 ms

NO

NC

Present

Not present

ON

OFF

ON

OFF

ON

OFF

Operation switch

Sensing object

Detection indicator (red)

Output transistor

Note: Terminals shorted:

OFF-delay operation

enabled.

Output transistor

Note: Terminals open:

OFF-delay operation

disabled.

Timing Chart

Detection

indicator

(red)

Operation

switch

Changes

NO/NC.

Sensing distance

adjuster

Stability indicator

(green)

OFF-delay

operation

terminals

Mounting

screw