R
Miniature Inductive Prox E2EC
Subminiature Sensor with Inline
Amplifier Offers Greater Mounting
Flexibility
HSubminiature, shielded sensing head
(3-mm or 8-mm dia.) allows the Sensor
to be flush-mounted in metal
HLonger sensing distance: 2.5 mm with
8-mm dia. sensing head
HSide-by-side mounting of cable amplifier
units possible
HRobotic cable on DC two-wire models
withstands repeated flexing on robots
and reciprocating machinery
HSimple connection to PLCs
Orderin
g
Information
JDC 2-WIRE MODELS
Type Size Sensing distance Output configuration Part number
Shielded 3mmdia. 0.8 mm (0.03 in) NO E2EC-CR8D1
S
h
i
e
l
d
e
d
3
m
m
d
i
a
.
0
.
8
m
m
(
0
.
0
3
i
n
)
NC E2EC-CR8D2
5.4 mm dia. 1.5 mm (0.06 in) NO E2EC-C1R5D1
5
.
4
m
m
d
i
a
.
1
.
5
m
m
(
0
.
0
6
i
n
)
NC E2EC-C1R5D2
8mmdia. 3 mm (0.12 in) NO E2EC-C3D1
8
m
m
d
i
a
.
3
m
m
(
0
.
1
2
i
n
)
NC E2EC-C3D2
M12 4 mm (0.16 in) NO E2EC-X4D1
M
1
2
4
m
m
(
0
.
1
6
i
n
)
NC E2EC-X4D2
Note: Models different in frequency are available with the E2EC-jjjj5 models (e.g., E2EC-CR8D15).
JDC 3-WIRE MODELS
Type Size Sensing distance Output configuration Part number
O
u
t
p
u
t
c
o
n
f
i
g
u
r
a
t
i
o
n
NPN PNP
Shielded 3mmdia. 0.5 mm (0.02 in) NO E2EC-CR5C1 E2EC-CR5B1
8mmdia. 2.5 mm (0.10 in) NO E2EC-C2R5C1 E2EC-C2R5B1
E2ECE2EC
2
Specifications
JRATINGS/CHARACTERISTICS
Description 2-wire DC models 3-wire DC models (NPN) 3-wire DC models (PNP)
Part number E2EC-
CR8Dj
E2EC-
C1R5Dj
E2EC-
C3Dj
E2EC-
X4Dj
E2EC-
CR5C1
E2EC-
C2R5C1
E2EC-
CR5B1
E2EC-
C2R5B1
Body Size 3mm 5.4 mm 8mm 3mm 3mm 8mm 3mm 8mm
B
o
d
y
Type Inductive
Supply voltage
(operating voltage
range)
12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max. 5to24VDC(4.75to30VDC),ripple(P-P):10%max.
Current consumption --- 10 mA max.
Leakage current 0.8 mA max. ---
Sensing object Magnetic metals (Refer to Engineering Data for non-magnetic metals.)
Sensing distance 0.8 mm
±15%
1.5 mm
±10%
3mm
±10%
4mm
±10%
0.5 mm
±15%
2.5 mm
±10%
0.5 mm
±15%
2.5 mm
±10%
Sensing distance (with
standard sensing
object)
0to
0.56 mm
(0.02 in)
(iron: 5 x 5
x 1 mm)
0to
1.05 mm
(0.04 in)
(iron: 5 x 5
x 1 mm)
0to
2.1 mm
(0.08 in)
(iron: 8 x 8
x 1 mm)
0to
2.8 mm
(0.11 in)
(iron: 12 x
12 x 1 mm)
0to
0.3 mm
(0.011 in)
(iron: 5 x 5
x 1 mm)
0to
1.7 mm
(0.067 in)
(iron: 8 x 8
x 1 mm)
0to
0.3 mm
(0.011 in)
(iron: 5 x 5
x 1 mm)
0to
1.7 mm
(0.067 in)
(iron: 8 x 8
x 1 mm)
Differential travel 10% max. of sensing distance
Control Type DC 2-wire NPN-NO open collector PNP-NO open collector
C
o
n
t
r
o
l
output Max. load 5to100mA 100 mA max. at 30 VDC
Residual voltage 3.0 V max. (under load current of 100 mA with cable
length of 2 m)
1.0 V max. (under load current of 100 mA with cable
length of 2 m)
Operation (with
sensing object
approaching)
D1 models: Load operates.
D2 models: Load is reset.
Load operates.
Temperature influence ±20% max. of sensing distance at 23°C (73.4°F) in temperature range of --25°C and 70°C(--13°F to 158°F)
Voltage influence ±2.5% max. of sensing distance in rated voltage
when operated within ±15% of the rated supply
voltage
±5% max. of sensing distance in rated voltage range
of 4.75 to 30 V
Response frequency
(see note)
1.5 kHz 1kHz
Circuit protection Surge absorber and load short-circuit protection Surge absorber
Indicator D1 models: Operation indicator (red LED), operation
set indicator (green LED)
D2 models: Operation indicator (red LED)
Detection indicator (red LED)
Head Case Brass
H
e
a
d
material Sensing
surface
ABS resin
Weight Approx. 45 g (1.59 oz)
Enclosure rating IEC IP67 IEC IP64
Ambient temperature Operating: --25°Cto70°C(--13°F to 158°F)withnoicing
Ambient humidity Operating: 35% to 95%
Vibration resistance Malfunction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hrs each in X, Y, and Z directions
Shock resistance Malfunction: 1,000 m/s2(3,280 ft/sec2) (approx.
100G) for 10 times each in X, Y, and Z directions
Malfunction: 500 m/s2(1,640 ft/sec2) (approx. 50G)
for 10 times each in X, Y, and Z directions
Insulation resistance 50 MΩ(at 500 VDC) between current carry parts and case
Dielectric strength 1,000 VAC (50/60 Hz) for 1 min between current
carry parts and case
500 VAC (50/60 Hz) for 1 min between current carry
parts and case
Note: Response frequencies are mean values measured with standard sensing objects, each separated from one another with a dis-
tance that is double the size of the sensing object and located at a distance that is half the sensing distance.
E2EC E2EC
3
O
p
eration
JOUTPUT CIRCUITS
Colors in parentheses are previous ones.
JDC 2-WIRE MODELS
Proximity
sensor
main
circuitry
Load
Brown (White)
Blue (black)
Load
Brown (White)
Blue (black)
Load
Brown (White)
Blue (black)
0V
Note: As shown in the above circuit diagrams, the
load can be connected in two ways.
JDC 3-WIRE MODELS
PNP NPN
Main
Circuit
+V
0V
Output
Load
Proximity
sensor
main
circuitry
+V
Output
Load
0V
Brown (Red)
Black
(White)
Blue (Black)
*
Note: 100 mA max. (load current)
10 Ω
JOPERATING CHARTS
DC 2-wire Models
NC Model
Target object
Proximity Sensor
Setting position
Unstable
sensing zoneNon-sensing zone Stable sensing zone
Rated
sensing
distance
Lit
Not lit
Lit
Not lit
Green indicator
Red indicator
Control output
Non-sensing zone Sensing zone
Proximity Sensor
Target object
Rated
sensing
distance
Red indicator
Control output
Lit
Not lit
NO Model
E2ECE2EC
4
DC 3-wire Models
Sensing
object
Output
transistor
(Load)
Detection
indicator
(LED)
Yes
No
Operates
Releases
ON
OFF
En
g
ineerin
g
Data
JOPERATING RANGE (TYPICAL)
E2EC-CR8D1 E2EC-C1R5D1 E2EC-C3D1
Sensing distance X (mm)
Iron:5x5x1mm
Sensing head
Standar d sensing object
Sensing distance X (mm)
Sensing distance X (mm)
Iron:5x5x1mm
Standar d sensing object
Iron:5x5x1mm
Standar d sensing object
Sensing head Sensing head
E2EC-X4D1 E2EC-CR5C1 E2EC-C2R5C1
Ir on: 12 x 12 x 1 m m
Standar d sensing object
Iron:5x5x1mm
Standar d sensing
object
Iron:8x8x1mm
Standar d sensing
object
Sensing distance X (mm)
Sensing distance X (mm)
Sensing distance X (mm)
Sensing head Sensing head Sensing head
JRESIDUAL OUTPUT VOLTAGE
(TYPICAL)
DC 2-wire Models
Residual output voltage (V)
Load current (mA)
JLEAKAGE CURRENT (TYPICAL)
DC 2-wire Models
Leakage current (mA)
Power supply voltage (V)
E2EC-CR8D1
E2EC-C3D1
E2EC-C1R5D1
E2EC-X4D1
E2EC E2EC
5
JSENSING DISTANCE VS. SENSING OBJECT (TYPICAL)
E2EC-CR8D1 E2EC-C1R5D1 E2EC-C3D1
Iron
SUS304
Brass
Aluminum
Copper
Side length of target d (mm)
Iron
SUS304
Brass
Aluminum
Copper
Iron
SUS304
Brass
Aluminum
Copper
Sensing distance X (mm)
Sensing distance X (mm)
Sensing distance X (mm)
Side length of target d (mm) Side length of target d (mm)
E2EC-X4D1 E2EC-CR5C1 E2EC-C2R5C1
Iron
SUS304
Brass
Aluminum
Copper
Iron Iron
Sensing distance X (mm)
Sensing distance X (mm)
Sensing distance X (mm)
Side length of target d (mm) Side length of target d (mm) Side length of target d (mm)
Dimensions
Unit: mm (inch)
JDC 2-WIRE SENSORS
E2EC-CR8Dj
Shielded robot cable with a conductor,
1.6 dia. (10 x 0.08 dia.); length: 0.4 m Robot cable with two conductors, 2.9 dia.
(6/5 x 0.08 dia.); standard length: 2 m
Indicator
The cable can be extended up to 200 m in an independent metal conduit.
Two, 3.2 dia. mounting holes
Mounting bracket
5.4
(0.21)
12
(0.47)
35 (1.38)
10.3 (0.41)
3dia.
(0.11)
24.2
(0.95)
6
(0.24) 25.5 (1.0)
6
(0.24)
8 (0.31)
10 (0.39)
E2ECE2EC
6
E2EC-C1R5Dj
Shielded robot cable with a conductor,
1.6 dia. (10 x 0.08 dia.); length: 0.4 m Robot cable with two conductors, 2.9 dia.
(6/5 x 0.08 dia.); standard length: 2 m
Indicator
The cable can be extended u
p
to 200 m in an inde
p
endent metal conduit.
Two, 3.2-dia. mounting holes
Mounting bracket
5 dia. (0.19)
35 (1.38)
18 (0.71)
8 (0.31)
6
(0.24)
25.5 (1.0)
10 (0.39)
5.4
(0.21)
24.2
(0.95)
10.3 (0.41)
6
(0.24)
E2EC-C3Dj
Shielded robot cable with a conductor,
1.6 dia. (10 x 0.08 dia.); length: 0.4 m
Robot cable with two conductors, 2.9 dia.
(6/5 x 0.08 dia.); standard length: 2 m
Indicator
The cable can be extended up to 200 m in an independent metal conduit.
Two, 3.2-dia. mounting holes
Mounting bracket
25.5 (1.0)
5
(0.19)
8 dia. (0.31)
18 (0.71)
35 (1.38)
8 (0.31)
10 (0.39)
10.3 (0.41)
5.4
(0.21)
24.2
(0.95)
6
(0.24)
6
(0.24)
E2EC-X4Dj
Shielded robot cable with a conductor,
1.6 dia. (10 x 0.08 dia.); length: 0.4 m
Robot cable with two conductors, 2.9 dia
(6/5 x 0.08 dia.); standard length: 2 m
The cable can be extended up to 200 m in an independent metal conduit. Two, 3.2-dia. mounting holes
Mounting bracket
Two, toothed washers Two, 17-dia. tightening nuts
18
(0.71)
5.6
(0.22)
25.5(1.0)
4
(0.16)
35(1.38)
8 (0.31)
5.4
(0.21) 24.2
(0.95)
10.3 (0.41)
6
(0.24)
M12 P=1
6
(0.24)
Indicator
10 (0.39)
E2EC E2EC
7
JDC 3-WIRE SENSORS
E2EC-CR5C1
Nameplate Indicator
Sensor
Mounting Holes
Two, 3.2-dia. mounting holes
Note: 1. Oil-and vibration-resistant, vinyl-insulated round cable
with three conductors, 4 dia. (0.5 mm x 3); standard
length: 2 m
2. The cable can be extended up to 200 m in an inde-
pendent metal conduit.
Two, 3.5-dia. mounting holes
(See Note 1.)
(See Note 2.)
12
(0.47)
3dia.
(0.118)
20
(0.79)
3 (0.118)
35 (1.38)
400(15.75)
2.5 (0.098)
5
(0.20)
10
(0.39)
20¦0.02
(0.787¦0.008 )
(0.126)
F
2
E2EC-C2R5C1
Nameplate Indicator
Sensor
Two, 3.2-dia. mounting holes
Note: 1. Oil-and vibration-resistant, vinyl-insulated round cable
with three conductors, 4 dia. (0.5 mm x 3); standard
length: 2 m
2. The cable can be extended up to 200 m in an inde-
pendent metal conduit.
(See Note 1.)
(See Note 2.)
Two, 3.5-dia. mounting holes
Mounting Holes
20
(0.787)
18
(0.71)
400(15.75) 35 (1.38)
3 (0.118)
2.5 (0.098)
10
(0.39)
8dia.
(0.31)
5
(0.20)
(0.126)
F20¦0.02
(0.787¦0.008)
2
JMOUNTING HOLE This table refers to “F” in above dimensions drawing
Part number F (mm)
E2EC-CR8Dj3.3+0.3/0mm (.13+0.01/0in) dia
E2EC-C1R5Dj5.7+0.3/0mm (.24+0.01/0in) dia
E2EC-C3Dj8.5+0.5/0mm (.33+0.02/0in) dia
E2EC-X4Dj12.5+0.5/0mm (.49+0.02/0in) dia
E2EC-CR5j13.3+0.3/0mm (.13+0.01/0in) dia
E2EC-C2R5j18.5+0.5/0mm (.33+0.02/0in) dia
JAMPLIFIER MOUNTING BRACKET
This table refers to “F” in above
3.2 dia. (0.126)
2-R1.6
3.3 (0.13)
8
(0.31) 2.5 (0.98)
3 (0.118)
1 (0.39)
3.5 (0.137)
5 (0.196)
5.5
(0.22)
1.3
(0.05)
5.5
(0.22)
6 (0.23)
24.2¦0.01
(0.95)
5.4¦0.1
(0.21)
34.5¦0.2
(1.35¦0.008)
E2ECE2EC
8
Precautions
JMOUNTING
Refer to the following table for the torque and tightening ranges
applied to mount unthreaded E2EC-C models.
M3 set screw hole
Permissible Tightening Range and Torque
Model Tightening
range A
Set-screw tightening
torque
E2EC-CR8D 6to10mm
(0.24to0.39in)
5kgfScm {0.49 N Sm}
(0.36 ft Slbf)
E2EC-C1R5D 8to16mm
(0.31to0.62in)
5kgfScm {0.49 N Sm}
(0.36 ft Slbf)
E2EC-C3D 8to16mm
(0.31to0.62in)
10 kgf Scm {0.98 N Sm}
(0.72 ft Slbf)
E2EC-CR5j16to10mm
(0.24to0.39in)
4kgfScm {0.39 N Sm}
(0.29 ft Slbf)
E2EC-C2R5j18to16mm
(0.31to0.62in)
(
)
The tightening torque applied to the E2EC-X4D (i.e., models with
column screws) must be 120 kgf Scm (12 N Sm) max.
JEFFECTS OF SURROUNDING METAL
When mounting the E2EC within a metal panel, ensure that the
clearances given in the following table are maintained.
ddia.
Mounting Conditions
Item E2EC-
CR8D
E2EC-
C1R5
D
E2EC-
C3D
E2EC-
X4D
E2EC-
CR5j
1
E2EC-
C2R5
j1
ℓ0 0 0 0 0 0
d 3
(0.12)
5.4
(0.25)
8
(0.32)
12
(0.47)
3
(0.12)
8
(0.32)
D 0 0 0 0 0 0
m2.4
(0.94)
4.5
(0.17)
9
(0.35)
12
(0.47)
1.5
(0.06)
10
(0.39)
n 6
(0.24)
10.8
(0.43)
16
(0.63)
24
(0.94)
5
(0.20)
21
(0.83)
JMUTUAL INTERFERENCE
When mounting more than one E2EC face to face or side by
side, ensure that the minimum distances given in the following
table are maintained.
Item E2EC-
CR8D
E2EC-
C1R5D
E2EC-
C3D
E2EC-
X4D
E2EC-
CR5j1
E2EC-C
2R5j1
A8[4]
0.32
(0.16)
15 [8]
0.59
(0.32)
30 [15]
1.18
(0.59)
40 [20]
1.57
(0.78)
20 [10]
0.78
(0.39)
40 [20]
1.57
(0.78)
B6[3]
0.24
(0.12)
10.8
[5.4]
0.43
(0.21)
16 [8]
0.63
(0.32)
24 [12]
0.94
(0.47)
15 [3]
0.59
(0.12)
25 [15]
0.98
(0.59)
Note: Figures in brackets are for Sensors operating at different
frequencies.
E2EC E2EC
JMOUNTING BRACKET FOR DC 2-WIRE
MODELS
Mounting
1. Insert the amplifier into the trapezoidal end (i.e., the fixing
side) of the mounting bracket.
2. Press the other end of the amplifier onto the bracket.
Amplifier Cable
Mounting bracket
Removal
1. Lightly press the hook of the mounting bracket with a
flat-blade screwdriver.
Flat-blade
screwdriver
2. The amplifier will automatically spring loose from the
mounting bracket.
Cat. No. CEDSAX4 11/01 Specifications subject to change without notice. Printed in U.S.A
.
OMRON ELECTRONICS LLC
One East Commerce Drive
Schaumburg, IL 60173
NOTE: DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters to inches divide by 25.4.
1-800-55-OMRON
OMRON CANADA, INC.
885 Milner Avenue
Scarborough, Ontario M1B 5V8
416-286-6465
R
OMRON ON--LINE
Global -- http://www.omron.com
USA -- http://www.omron.com/oei
Canada -- http://www.omron.com/oci
