Cylindrical Inductive Sensor for Explosive Environments
E2AX
• ATEX certification Group II category 3D
(94/9/EG Appendix VIII)
• Typically for explosive areas zone 22 with
non leading dust construction based on EN50014
and EN50281-1-1/2
Ordering Information
DC 3-wire models (NO + NC: DC 4-wire)
*1
Size
Sensing
distance
Connec-
tion
Body
material
Thread
length
(overall
length)
34 (48)
Shiel-
ded
M12
Non-
shiel-
ded
34 (48)
8.0 mm
M12
connector
Brass
*2
56 (70)
39 (53)
Shiel-
ded
M18
Non-
shiel-
ded
39 (53)
16.0 mm
M12
connector
Brass
*2
61 (75)
44 (58)
Shiel-
ded
M30
Non-
shiel-
ded
20.0 mm
M12
connector
30.0 mm
Brass
*2
15.0 mm
M12
connector
Brass
*2
Output
confi-
guration
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
PNP
NPN
Operation mode NO
E2AX-M12KS04-M1-B1
E2AX-M12KS04-M1-C1
E2AX-M12LS04-M1-B1
E2AX-M12LS04-M1-C1
E2AX-M12KN08-M1-B1
E2AX-M12KN08-M1-C1
E2AX-M12LN08-M1-B1
E2AX-M12LN08-M1-C1
E2AX-M18KS08-M1-B1
E2AX-M18KS08-M1-C1
E2AX-M18LS08-M1-B1
E2AX-M18LS08-M1-C1
E2AX-M18KN16-M1-B1
E2AX-M18KN16-M1-C1
E2AX-M18LN16-M1-B1
E2AX-M18LN16-M1-C1
E2AX-M30KS15-M1-B1
E2AX-M30KS15-M1-C1
E2AX-M30LS15-M1-B1
E2AX-M30LS15-M1-C1
E2AX-M30KN20-M1-B1
E2AX-M30KN20-M1-C1
E2AX-M30LN30-M1-B1
E2AX-M30LN30-M1-C1
Operation mode NC
E2AX-M12KS04-M1-B2
E2AX-M12KS04-M1-C2
E2AX-M12LS04-M1-B2
E2AX-M12LS04-M1-C2
E2AX-M12KN08-M1-B2
E2AX-M12KN08-M1-C2
E2AX-M12LN08-M1-B2
E2AX-M12LN08-M1-C2
E2AX-M18KS08-M1-B2
E2AX-M18KS08-M1-C2
E2AX-M18LS08-M1-B2
E2AX-M18LS08-M1-C2
E2AX-M18KN16-M1-B2
E2AX-M18KN16-M1-C2
E2AX-M18LN16-M1-B2
E2AX-M18LN16-M1-C2
E2AX-M30KS15-M1-B2
E2AX-M30KS15-M1-C2
E2AX-M30LS15-M1-B2
E2AX-M30LS15-M1-C2
E2AX-M30KN20-M1-B2
E2AX-M30KN20-M1-C2
E2AX-M30LN30-M1-B2
E2AX-M30LN30-M1-C2
Operation mode NO + NC
E2AX-M12KS04-M1-B3
E2AX-M12KS04-M1-C3
E2AX-M12LS04-M1-B3
E2AX-M12KN08-M1-B3
E2AX-M12KN08-M1-C3
E2AX-M12LN08-M1-B3
E2AX-M12LN08-M1-C3
E2AX-M18KS08-M1-B3
E2AX-M18KS08-M1-C3
E2AX-M18LS08-M1-B3
E2AX-M18LS08-M1-C3
E2AX-M18KN16-M1-B3
E2AX-M18KN16-M1-C3
E2AX-M18LN16-M1-B3
E2AX-M18LN16-M1-C3
E2AX-M30KS15-M1-B3
E2AX-M30KS15-M1-C3
E2AX-M30LS15-M1-B3
E2AX-M30LS15-M1-C3
E2AX-M30KN20-M1-B3
E2AX-M30KN20-M1-C3
E2AX-M30LN30-M1-B3
E2AX-M30LN30-M1-C3
4.0 mm
M12
connector
Brass
*2
56 (70)
8.0 mm
M12
connector
Brass
*2
61 (75)
66 (80)
44 (58)
(See
note.)
66 (80)
*1. Please contact your OMRON representative for DC 2-wire models.
*2. Stainless steel models are also available. Please contact your OMRON representative.
Note:
M30 non-shielded models with double sensing distance and short barrels cannot be mounted due to the necessary separation distance from the surrounding
metal. Standard sensing models are thus available.
E2AX
D-9
E2AX
E2AX-M12LS04-M1-C3
Connectivity
The E2A sensors are available with the following connectors:
Connector models
Standard connectors: M12
-M1
Model Number Legend
E2A@-@@@@@-@-@@-@@
1
2 3 4 5 6 7 8 9 10 11 12
Example:
E2A-M12LS04-M1-B1
Standard, M12, long barrel, shielded, Sn=4 mm, M12 connector, PNP-NO
E2A-S08KN04-WP-B1 5M
Standard, M8 stainless steel, short barrel, non-shielded, Sn=4 mm, pre-wired PVC cable, PNP-NO,
cable length=5 m
1. Basic name
E2A
2. Sensing technology
Blank:
3:
U:
X:
M:
S:
08:
12:
18:
30:
K:
L:
6. Shield
S:
N:
Shielded
Non-shielded
Note: *In case of DC 2-wire models the M12 connector identifier is '-M1G'
8. Kind of connection
M1:
M3:
M5:
B:
C:
D:
E:
F:
1:
2:
3:
M12 connector (4 pin) *
M8 connector (4 pin)
M8 connector (3 pin)
DC, 3-wire, PNP open collector
DC, 3-wire, NPN open collector
DC, 2-wire
DC, 3-wire, NPN voltage output
DC, 3-wire, PNP voltage output
Normally open (NO)
Normally closed (NC)
Antivalent (NO+NC)
Standard double distance
Triple distance
Mobile usage
Explosion hazarduous environments
Cylindrical, metric threaded, brass
Cylindrical, metric threaded, stainless steel
8 mm
12 mm
18 mm
30 mm
Standard length
Long body
9. Power source and output
3. Housing shape and material
4. Housing size
10.Operation mode
11.Specials (e.g., cable material, oscillating frequency)
12.Cable length
Blank:
Connector type
Numeral: Cable length
5. Barrel length
7. Sensing distance
Numeral: Sensing distance: e.g. 02=2 mm, 16=16 mm
D-10
Inductive Sensors
Specifications
DC 3-wire Models / DC 4-wire (NO+NC)
Size
Type
M12
Shielded
Non-shielded
E2AX-M12@S04-@@-B@
E2AX-M12@N08-@@-B@
E2AX-M12@S04-@@-C@
E2AX-M12@N08-@@-C@
E2AX-S12@S04-@@-B@
E2AX-S12@N08-@@-B@
E2AX-S12@S04-@@-C@
E2AX-S12@N08-@@-C@
4 mm
±
10%
8 mm
±
10%
0 to 3.2 mm
0 to 6.4 mm
10% max. of sensing distance
Ferrous metal (The sensing distance decreases with non-ferrous metal.)
12×12×1 mm
24×24×1 mm
1,000 Hz
800 Hz
12 to 24 VDC. Ripple (p-p): 10% max.
(10 to 32 VDC)
10 mA max.
-B models: PNP open collector
-C models: NPN open collector
200 mA max. (32 VDC max.)
2 V max. (under load current of 200 mA with cable length of 2 m)
Operation indicator (Yellow LED)
-B1/-C1 models: NO
-B2/-C2 models: NC
-B3/ -C3 models: NO+NC
For details, refer to the timing charts.
Output reverse polarity protection, Power source circuit reverse polarity protection, Surge suppressor,
Short-circuit protection
Operating:
−40°C
to 70°C, Storage:
−40°C
to 85°C (with no icing or condensation)
±10%
max. of sensing distance at 23°C within temperature range of
−25°C
to 70°C
±15%
max. of sensing distance at 23°C within temperature range of
−40°C
to 70°C
Operating: 35% to 95%, Storage: 35% to 95%
±1%
max. of sensing distance in rated voltage range
±15%
50 MΩ min. (at 500 VDC) between current carry parts and case
1,000 VAC at 50/60 Hz for 1 min between current carry parts and case
10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y and Z directions
1,000 m/s
2
, 10 times each in X, Y and Z directions
IP65
EMC after EN60947-5-2
ATEX after EN50014
EN50281-1-1/2
Please see chapter ’Connectivity’ for details on M12 connectors.
Approx. 35 g
Brass-nickel plated or stainless steel
PBT
Brass-nickel plated for brass models stainless steel for steel models
Item
Sensing distance
Setting distance
Differential travel
Target
Standard target (mild steel ST37)
Response frequency (See note 1.)
Power supply voltage
(operating voltage range)
Current consumption (DC 3-wire)
Output type
Control
output
Indicator
Operation mode
(with sensing object approaching)
Protection circuit
Ambient air temperature
Temperature influence (See note 2.)
Ambient humidity
Voltage influence
Insulation resistance
Dielectric strength
Vibration resistance
Shock resistance
Standard and listings (See note 3.)
Connection method
Weight
Connector model
(packaged)
Case
Material
Sensing surface
Clamping nut
Load current
(See note 2.)
Residual voltage
Note 1.
The response frequency is an average value. Measurement conditions are as follows: standard target, a distance of twice the standard
target distance between targets, and a setting distance of half the sensing distance.
2.
When using any model at an ambient temperature between
−40°C
and
−25°C
and a power voltage between 30 and 32 VDC, use a load
current of 100 mA max.,
3.
For USA and Canada: Use class 2 circuit only.
E2AX
D-11
E2AX
DC 3-wire Models / DC 4-wire (NO+NC)
Size
Type
M18
Shielded
E2AX-M18@S08-M1-B@
E2AX-M18@S08-M1-C@
E2AX-S18@S08-M1-B@
E2AX-S18@S08-M1-C@
Non-shielded
E2AX-M18@N16-M1-B@
E2AX-M18@N16-M1-C@
E2AX-S18@N16-M1-B@
E2AX-S18@N16-M1-C@
Shielded
E2AX-M30@S15-M1-B@
E2AX-M30@S15-M1-C@
E2AX-S30@S15-M1-B@
E2AX-S30@S15-M1-C@
M30
Non-shielded
E2AX-M30KN20-M1-B@
E2AX-M30KN20-M1-C@
E2AX-S30KN20-M1-B@
E2AX-S30KN20-M1-C@
Non-shielded
E2AX-M30LN30-M1-B@
E2AX-M30LN30-M1-C@
E2AX-S30LN30-M1-B@
E2AX-S30LN30-M1-C@
Item
Sensing distance
Setting distance
Differential travel
Target
Standard target
(mild steel ST37)
Response frequency
(See note 1.)
Power supply voltage
(operating voltage range)
Current consumption
(DC 3-wire)
Output type
Control
output
Indicator
Operation mode
(with sensing object
approaching)
Protection circuit
Ambient air temperature
Temperature influence
(See note 2.)
Ambient humidity
Voltage influence
Insulation resistance
Dielectric strength
Vibration resistance
Shock resistance
Standard and listings
(See note 3.)
Connection method
Weight
(pak-
Connector model
kaged)
Case
Material Sensing surface
Clamping nut
Load current
(See note 2.)
Residual voltage
8 mm±10%
16 mm±10%
15 mm±10%
20 mm±10%
0 to 6.4 mm
0 to 12.8 mm
0 to 12 mm
0 to 16 mm
10% max. of sensing distance
Ferrous metal (The sensing distance decreases with non-ferrous metal.)
24×24×1 mm
500 Hz
48×48×1 mm
400 Hz
45×45×1 mm
250 Hz
60×60×1 mm
100 Hz
30 mm±10%
0 to 24 mm
90×90×1 mm
100 Hz
12 to 24 VDC. Ripple (p-p): 10% max.
(10 to 32 VDC)
10 mA max.
-B models: PNP open collector
-C models: NPN open collector
200 mA max. (32 VDC max.)
2 V max. (under load current of 200 mA with cable length of 2 m)
Operation indicator (Yellow LED)
-B1/-C1 models: NO
-B2/-C2 models: NC
-B3/ -C3 models: NO+NC
For details, refer to the timing charts.
Output reverse polarity protection, Power source circuit reverse polarity protection, Surge suppressor,
Short-circuit protection
Operating:
−40°C
to 70°C, Storage:
−40°C
to 85°C (with no icing or condensation)
±10%
max. of sensing distance at 23°C within temperature range of
−25°C
to 70°C
±15%
max. of sensing distance at 23°C within temperature range of
−40°C
to 70°C
Operating: 35% to 95%, Storage: 35% to 95%
±1%
max. of sensing distance in rated voltage range
±15%
50 MΩ min. (at 500 VDC) between current carry parts and case
1,000 VAC at 50/60 Hz for 1 min between current carry parts and case
10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y and Z directions
1,000 m/s
2
, 10 times each in X, Y and Z directions
IP65
EMC after EN60947-5-2
ATEX after EN50014
EN50281-1-1/2
Please see chapter 'Connectivity' for details on M12 connectors.
Approx. 70 g
Approx. 200 g
Approx. 200 g
Approx. 260 g
Brass-nickel plated or stainless steel
PBT
brass-nickel plated for brass models stainless steel for steel models
Note 1.
The response frequency is an average value. Measurement conditions are as follows: standard target, a distance of twice the standard
target distance between targets, and a setting distance of half the sensing distance.
2.
When using any model at an ambient temperature between
−40°C
and
−25°C
and a power voltage between 30 and 32 VDC, use a load
current of 100 mA max.
3.
For USA and Canada: Use class 2 circuit only.
D-12
Inductive Sensors
DC 2-wire Models
Size
Type
Item
Sensing distance
Setting distance
Differential travel
Target
Standard target
Response frequency (See note 1.)
Power supply voltage
(operating voltage range)
Leakage current
Output type
Load current
Control
(See note 2.)
output
Residual voltage
Indicator (see timing chart)
Operation mode
Protection circuit
Ambient temperature
Temperature influence
Ambient humidity
Voltage influence
Insulation resistance
Dielectric strength
Vibration resistance
Shock resistance
Standard and listings (See note 3.)
M12
Shielded
E2AX-M12@S04-D@
E2AX-S12@S04-D@
Non-shielded
E2AX-M12@N08-D@
E2AX-S12@N08-D@
4 mm
±
10%
8 mm
±
10%
0 to 3.2 mm
0 to 6.4 mm
10% max. of sensing distance
Ferrous metal (The sensing distance decreases with non-ferrous metal.)
12×12×1 mm
24×24×1 mm
1,000 Hz
800 Hz
12 to 24 VDC. Ripple (p-p): 10% max.
(10 to 32 VDC)
0.8 mA max.
DC 2 wire type
3 to 100 mA
3 V max. (under load current of 100 mA with cable length of 2 m)
NO type: Operation indicator (Yellow), Setting indicator (Red)
NC type: Operation indicator (Yellow)
-D1 models: NO
-D2 models: NC
Surget suppressor, Short circuit protection
Operating:
−40°C
to 70°C, Storage:
−40°C
to 85°C (with no icing or condensation)
±10%
max. of sensing distance at 23°C within temperature range of
−25°C
to 70°C
±15%
max. of sensing distance at 23°C within temperature range of
−40°C
to 70°C
Operating: 35% to 95%, Storage: 35% to 95%
±1%
max. of sensing distance in rated voltage range
±15%
50 MΩ min. (at 500 VDC) between current carry parts and case
1,000 VAC at 50/60 Hz for 1 min between current carry parts and case
10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y and Z directions
1,000 m/s
2
, 10 times each in X, Y and Z directions
IP65
EMC after EN60947-5-2
ATEX after EN50014
EN50281-1-1/2
Please see chapter 'Connectivity' for details on different cable materials and lenghts and M8 or M12
connectors.
Approx. 85 g
Approx. 35 g
Brass-nickel plated or stainless steel
PBT
Brass-nickel plated for brass models stainless steel for steel models
Connection method
Weight
(packaged)
Material
Pre-wired model
Connector model
Case
Sensing surface
Clamping nut
Note 1.
The response frequency is an average value. Measurement conditions are as follows: standard target, a distance of twice the standard
target distance between targets, and a setting distance of half the sensing distance.
2.
When using any model at an ambient temperature between
−40°C
and
−25°C
and a power voltage between 30 and 32 VDC, use a load
current of 50 mA max.
3.
For USA and Canada: Use class 2 circuit only.
E2AX
D-13
E2AX
Power technology
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