Datasheet
E2K-C
5
I/O Circuit Diagrams
DC 3-Wire Models (NPN)
DC 3-Wire Models (PNP)
Sensing Area (Grounded Metal Plate)
Sensing Object Size vs. Sensing Distance
Sensing area
E2K-C25M@@ E2K-C25M@@ E2K-C20M@@
Operation
mode
Model Timing chart Output circuit
NO E2K-C25ME1
NC E2K-C25ME2
NO E2K-C20MC1
NC E2K-C20MC2
Operation
mode
Model Timing chart Output circuit
NO E2K-C25MF1
NC E2K-C25MF2
5
0
10
15
50−510−10 15−15 20−20 25−25
5 mm
10 mm
15 mm
20 mm
25 mm
20
25
30
X
Sensing
head
Standard
sensing
object
Sensitivity
adjustment
Sensing head
Distance Y (mm)
Distance X (mm)
2010
0
5
10
15
20
25
30
X
10090807060504030
Side length of sensing object (mm)
Grounded metal plate
Ungrounded
metal plate (1 t)
Phenolic resin plate (6 t)
Square
sensing
object
Distance X (mm)
0
5
10
15
−15−20
20
30
25
35
5010−515−10 20
Y
X
Sensing
head
Standard sensing object
Distance Y (mm)
Sensing head
Sensing distance X (mm)
Present
Not present
Operate
Reset
High
Low
ON
OFF
Load (between brown
and black leads)
Output voltage (between
black and blue leads)
Detection
indicator (red)
Sensing
object
Tr
0
V
+V
4.4 kΩ
Proximity
Sensor
main
circuit
Load
Brown
Black
*1
Output
*2
Blue
*1. Load current: 200 mA max.
*2. When a transistor is connected.
Present
Not present
Operate
Reset
High
Low
ON
OFF
Load (between brown
and black leads)
Output voltage (between
black and blue leads)
Detection
indicator (red)
Sensing
object
Sensing
object
(between brown
and black leads)
Operation
Indicator (yellow)
Load
Present
Not present
Operate
Reset
ON
OFF
12 to 24 VDC
0 V
*
* Load current: 250 mA max.
Proximity
Sensor
main
circuit
Load
Brown
Blue
Black
Sensing
object
Operation
Indicator (yellow)
Load
Present
Not present
Operate
Reset
ON
OFF
(between brown
and black leads)
Present
Not present
Operate
Reset
High
Low
ON
OFF
Load (between blue
and black leads)
Output voltage (between
black and brown leads)
Detection
indicator (red)
Sensing
object
Tr
0 V
+V
4.7 kΩ
Proximity
Sensor
main
circuit
Load
Brown
Black
*1
*2
Blue
*1. Load current: 200 mA max.
*2. When a transistor is connected.
Present
Not present
Operate
Reset
High
Low
ON
OFF
Load (between blue
and black leads)
Output voltage (between
black and brown leads)
Detection
indicator (red)
Sensing
object