Weld Field Immune Inductive Proximity Sensors
E2QW
Square 9-Way Configurable Weld Field
Immune DC 3-Wire & AC/DC 2-Wire
Proximity Sensors Resist Weld Slag
Build-up
• Weld field immunity and noise immunity ideal for automo-
tive welding environments
• Sensing in any of nine directions
• High-temperature abrasion-resistant coating on sensing
face repels weld slag
• Choose Euro, Micro or Mini connector versions
• DC 3-wire PNP-N.O. or AC/DC 2-wire shielded and un-
shielded models
• WFI rated to 20,000 Amps @ 1 inch
C
Ordering Information
Note:
Shaded models are normally stocked. Un-shaded models require 2-3 weeks delivery.
■
Sensors With Built-in 4-pin Euro Connector
10-30V DC 3-Wire, PNP-N.O. Non-Latching Short Circuit Protection
Type
Shielded
Unshielded
Output type
PNP-NO
PNP-NO
PNP-NO
Sensing distance
15mm
25mm
35mm
Connector type
4-Pin Euro
4-Pin Euro
4-Pin Euro
Model
DC3W PNP N.O.
E2QW-N15B1-M1
E2QW-N25B1-M1
E2QW-N35MB1-M1
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Sensors With Built-in 3-pin Micro Connector or Mini Connector
20-150V AC/DC 2-Wire, N.O. Latching Short Circuit Protection
Type
Shielded
Output type
AC/DC 2W-NO
AC/DC 2W-NO
AC/DC 2W-NO
AC/DC 2W-NO
Unshielded
AC/DC 2W-NO
AC/DC 2W-NO
Sensing distance
15mm
15mm
25mm
25mm
35mm
35mm
Connector type
3-Pin Mini
3-Pin Micro
3-Pin Mini
3-Pin Micro
3-Pin Mini
3-Pin Micro
Model
AC/DC 2-Wire N.O.
E2QW-N15T1-MN3
E2QW-N15T1-M4
E2QW-N25T1-MN3
E2QW-N25T1-M4
E2QW-N35MT1-MN3
E2QW-N35MT1-M4
Note:
The connector end of the sensor is rotated down 90 degrees. See dimensional drawing.
Weld Field Immune Inductive Proximity Sensors
E2QW
1
■
Mating Single-ended Connector Cordsets
Male views shown
3 Wire DC N.O.
2 Wire AC/DC N.O.
1
2
3
1
4
2 Wire AC/DC N.O.
1
2
3
GND
3
(+DC)
N.O. Load
(-DC)
2
GND
L1
N.O. Load
L1
N.O. Load
Euro
Mini
Micro
Specifications
■
DC 3-Wire Sensors
Model
Size
Type
Sensing distance
Sensing object
E2QW-N15B1-M1
40x40x68.5 mm
Shielded
15mm +/- 10%
E2QW-N25B1-M1
40x40x68.5 mm
Shielded
25mm +/- 10%
E2QW-N35MB1-M1
40x40x68.5 mm
Unshielded
35mm +/- 10%
2" x 2" x .030" standard target size (1008 C.R.S.)
Other materials will reduce the sensing range (Sn) as follows: Stainless Steel Sn x 0.85,
Brass Sn x 0.5, Copper Sn x 0.46 Aluminum Sn x 0.40
15% max. of sensing distance 3 to 8% Typical
< ±1%
(10 to 30 VDC) Use a class 2 power source only.
6 mA @ 24VDC
< 45ms
30ms
PNP-NO (Sourcing)
200mA
150 Hz
< 1.5 VDC @ 200mA
< 10µA
Reverse Polarity, Short Circuit Protection Non-Latching Type
Dual LEDs Green = Power, Amber = Target, Flashing = SCP
Storage: 0 to 70°C
Operation: 0 to 70°C
10% max. @ 0 to 70°C
Operating and Storage: 35% to 95%
±1% max. of sensing distance in rated voltage range ±10%
50 MΩ min. (at 500 VDC) between current carrying parts and case
1,000 VAC at 50/60 Hz for 1 minute between current carrying 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/s², 10 times each in X, Y and Z directions
M12 4-Pin Euro Connector refer to dimension drawings for pin arrangements
–
IP67 Degree of protection
Hysteresis
Repeatability
Operating voltage
Current consumption
Power-up time
Response time
Control output
Switching capacity
Max. switching frequency
Voltage drop
Leakage current
Circuit protection
Indicators
Ambient temperature
Temperature drift
Ambient humidity
Voltage influence
Insulation resistance
Dielectric strength
Vibration resistance
Shock resistance
Connection method
Standards & listings
Enclosure
rating
Material
IEC
Body Sensing face Hard Coated Heavy Duty Die-Cast Metal Body
Proprietary High-Temperature Abrasion-Resistant Coating
7 oz.
Shipping weight
Note:
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
Weld Field Immune Inductive Proximity Sensors
E2QW
Specifications
■
AC/DC 2-Wire Sensors
Model
Size
Type
Sensing distance
Sensing object
E2QW-
N15T1-MN3
40x40x68.5 mm
Shielded
15mm ± 10%
Shielded
15mm ± 10%
E2QW-
N15T1-M4
E2QW-
N25T1-MN3
40x40x68.5 mm
Shielded
25mm ± 10%
Shielded
25mm ± 10%
E2QW-
N25T1-M4
E2QW-
N35MT1-MN3
40x40x68.5 mm
Unshielded
35mm ± 10%
Unshielded
35mm± 10%
E2QW-
N35MT1-M4
2" x 2" x .030" standard target size (1008 C.R.S.)
Other materials will reduce the sensing range (Sn) as follows: Stainless Steel Sn x 0.85, Brass Sn x 0.5, Copper
Sn x 0.46 Aluminum Sn x 0.40
15% max. of sensing distance 3 to 8% Typical
< ±1%
20 to 150V AC/DC
N/A
< 45ms
30ms
AC/DC 2-Wire Normally Open
200mA
10Hz
< 10V @ 200mA
1.7mA @110VAC
Short Circuit Protection Latching Type Bipolar by design (cannot be mis-wired)
Dual LEDs Red = Power, Green = Target, Flashing = SCP
Storage: 0 to 70°C
Operation: 0 to 70°C
10% max. @ 0 to 70°C
Operating and Storage: 35% to 95%
±1% max. of sensing distance in rated voltage range ±10%
50 MΩ min. (at 500 VDC) between current carrying parts and case
1,000 VAC at 50/60 Hz for 1 minute between current carrying 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/s², 10 times each in X, Y and Z directions
Micro 3-Pin or Mini 3-Pin (refer to dimension drawings for pin arrangements)
UL file E196555, cULus
IP67 Degree of protection
Hysteresis
Repeatability
Supply voltage
Current consumption
Power-up time
Response time
Control output operation
Switching capacity
Max. switching frequency
Voltage drop
Leakage current
Circuit protection
Indicators
Ambient temperature
Temperature drift
Ambient humidity
Voltage influence
Insulation resistance
Dielectric strength
Vibration resistance
Shock resistance
Connection method
Standards & listings
Enclosure
Material
IEC rating
Body Sensing face Hard Coated Die-Cast Metal Body
Proprietary High-Temperature Abrasion-Resistant Coating
7 oz.
Shipping weight
Weld Field Immune Inductive Proximity Sensors
E2QW
3
Engineering Data
■
Influence of Sensing Object Size and Materials
Target size in %
Deviation from
sensing distance %
150
+10
125
+7
100
(Standard target)
0
75
-7
50
-14
25
-27
12.5
-45
Operation
■
Timing Chart: AC/DC Version
Red LED
Power off
Power on (no object sensed)
Sense object (w/ power on)
Off
On
On
Green LED
Off
Off
On
Control Output
Off
Off
On
■
DC 3-Wire PNP N.O. Output
Output circuit:
■
AC/DC 2-Wire N.O. Output
Output circuit:
Brown
DC
N.O.
Black
Blue
+DC
LOAD
-DC
AC
N.O.
Green
L1
LOAD
GND
■
Nomenclature
E2QW WELD FIELD IMMUNE SQUARE PROX
E2QW-1-2-3-4
1=BODY STYLE
2=Sens. Dist. mm
3=Output Type
4=Connection
N=SQUARE 9-WAY CONFIGURABLE
## in Millimeters
T1=ACDC 2 WIRE
B1=DC3W PNP-NO
M1=4 PIN EURO
M4=3 PIN MICRO
MN3=3 PIN MINI
Connection
Male views shown
3 Wire DC N.O.
2 Wire AC/DC N.O.
1
2
3
1
4
2 Wire AC/DC N.O.
1
2
3
GND
3
(+DC)
N.O. Load
(-DC)
2
GND
L1
N.O. Load
L1
N.O. Load
Euro
Mini
Micro
4
Weld Field Immune Inductive Proximity Sensors
E2QW
Sensor Dimensions
Note:
Dimensions are in inches and (millimeters).
■
Mini Connector Model Shown
1
/
4
1
/
4
Weld Field Immune Inductive Proximity Sensors
E2QW
5
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