EX-21A Panasonic Electric Works, EX-21A Datasheet - Page 3
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EX-21A
Manufacturer Part Number
EX-21A
Description
SENSOR, PHOTOELECTRIC, ULTRA-COMPACT, FRONT SENSING, THRU-BEAM, LO, 1000MM
Manufacturer
Panasonic Electric Works
Type
Thru Beamr
Datasheet
1.EX-23.pdf
(3 pages)
Specifications of EX-21A
Body Style
Rectangular
Brand/series
EX-20
Current, Switching
50 mA
Function
Proximity
Ip Rating
IP67
Output
NPN
Primary Type
Photoelectric
Range, Measurement
1 m
Sensing Mode
Through-Beam
Technology
Photoelectric
Termination
Cable
Voltage, Supply
24 VDC
Voltage, Switching
30 VDC
All Models Are Compliant With
UR, CE.Features
Lead Free Status / Rohs Status
RoHS Compliant part
SPECIFICATIONS
Notes: 1) Model Nos. having the suffix ‘-PN’ are PNP output type.
Notes:
Notes:
Item
Sensing range
Sensing object
Hysteresis
Repeatability
(perpendicular to sensing axis)
Supply voltage
Current consumption
Output
Response time
Operation indicator
Stability indicator
Sensitivity adjuster
Operation mode switch
Emitting element
Material
Cable
Cable extension
Weight
Accessories
Utilization category
Short-circuit protection
Pollution degree
Protection
Ambient temperature
Ambient humidity
Ambient illuminance
EMC
Voltage withstandability
Insulation resistance
Vibration resistance
Shock resistance
2) Either Light-ON or Dark-ON can be selected by the operation mode switch (located on the receiver).
3) The sensing range and the sensing object of the retroreflective type sensor are specified for the
4) In case of using this product at a sensing range of 50 mm
RF-200 reflector. Further, the sensing range is the possible setting range for the reflector. The sensor
can detect an object less than 30 mm
or less away, the sensing object should be opaque.
sensitivity adjustment range becomes extremely narrow.
Model
No.
(Note
1
)
Light-ON
Dark-ON
Type
(
Emitter: 10 mA or less, Receiver: 15 mA or less
Green LED (lights up under stable light received condition
or stable dark condition), located on the receiver
Front sensing
Min. "2.6 mm
opaque object
Setting distance between
emitter and receiver: 1 m
3.281 ft
EX-21A(-PN)
EX-21B(-PN)
<
NPN open-collector transistor
Emitter: 20 g approx., Receiver: 20 g approx.
NPN output type
Extension up to total 50 m
3.281 ft
25 to
0.05 mm
Maximum sink current: 50 mA
Applied voltage: 30 V DC or less (between output and 0 V)
Residual voltage: 1 V or less (at 50 mA sink current)
1 m
"0.102 in
10 to 500 Hz frequency, 3 mm
Thru-beam
20 M , or more, with 250 V DC megger between all supply terminals connected together and enclosure
Sunlight: 10,000 # x at the light-receiving face, Incandescent light: 3,000 # x at the light-receiving face
55 °C
0.002 in
1.181 in
)
(
Adjusting screwdriver: 1 pc.
Continuously variable adjuster,
located on the emitter
Located on the receiver
Min. "3 mm
opaque object
Setting distance between
emitter and receiver: 2 m
6.562 ft
>
Side sensing
1,000 V AC for one min. between all supply terminals connected together and enclosure
Orange LED (lights up when the output is ON) (thru-beam type: located on the receiver)
0.1 mm
EX-23(-PN)
13 to
500 m/s
(
6.562 ft
0.4 V or less (at 16 mA sink current)
Note 2)
or less
away. However, if the reflector is set 100 mm
2 m
"0.118 in
2
3-core (thru-beam type sensor emitter: 2-core) cabtyre cable, 2 m
164.042 ft
2
131 °F
acceleration (50 G approx.) in X, Y and Z directions for three times each
)
Enclosure: Polyethylene terephthalate, Lens: Polyalylate
RF-200 (Reflector): 1 pc.
Adjusting screwdriver: 1 pc.
Retroreflective
1.181 to 7.874 in
0.5 mm
"15 mm
or more opaque or
translucent object
EX-29A(-PN)
EX-29B(-PN)
Side sensing
30 to 200 mm
(No dew condensation or icing allowed), Storage:
Continuously variable adjuster
12 to 24 V DC
is possible with 0.3 mm
Green LED (lights up under stable light received condition or stable dark condition)
1.969 in
(Note 3)
(Note 3)
0.118 in
0.020 in
EN 50081-2, EN 50082-2, EN 60947-5-2
35 to 85 % RH, Storage: 35 to 85 % RH
"0.591 in
or less 0.3 mm
amplitude (20 G max.) in X, Y and Z directions for two hours each
3 (Industrial environment)
or less, take care that the
Red LED (modulated)
Adjusting screwdriver: 1 pc.
with white non-glossy paper
DC-12 or DC-13
Diffuse reflective
EX-22A(-PN)
EX-22B(-PN)
Side sensing
0.5 ms or less
Opaque,
translucent or
transparent
object
(7.874 7.874 in)
0.197 to 6.299 in
10 % Ripple P-P 10 % or less
Incorporated
(200 200 mm)
IP67 (IEC)
5 to 160 mm
(Note 4)
0.012 in
2
, or more, cable (thru-beam type: both emitter and receiver).
<
PNP open-collector transistor
PNP output type
or less
Maximum source current: 50 mA
Applied voltage: 30 V DC or less (between output and
Residual voltage: 1 V or less (at 50 mA source current)
3.937 in
Diffused beam type Small spot beam type Long distance spot beam type
(Conv. point: 10 mm
(
(Setting distance: 10 mm
with white non-glossy paper
0.1 mm
Front sensing
Min. "0.1 mm
copper wire
Setting
distance: 10 mm
15 % or less of operation distance
EX-24A(-PN)
EX-24B(-PN)
20 mA or less
(1.969 1.969 in)
20 g approx.
0.079 to 0.984 in
(50 50 mm)
2 to 25 mm
"0.004 in
Convergent reflective
0.004 in
Reflector cannot
be placed
in this range
>
0.394 in
0.394
or less 0.05 mm
0.394
0.4 V or less (at 16 mA source current)
in)
in) (Setting distance: 10 mm
)
30 to
(
6 to 14 mm
point: 10 mm
non-glossy paper (50 50 mm
1.969 1.969
"1 mm
di s tance 10 mm
Sensor
Min. "0.1 mm
copper wire
Setting
distance: 10 mm
EX-26A(-PN)
EX-26B(-PN)
Side sensing
Continuously variable adjuster
6.562 ft
Adjusting screwdriver: 1 pc.
"0.039 in
"0.004 in
0.236 to 0.551 i n
0.002 in
30 mm
0.394
in), spot diameter
Reflector
0.394 i n
70 °C
Actual sensing range
of the sensor
in) with white
with setting
long
0.394 in
or less
0.394
1.181 in
(Conv.
of the reflector
Setting range
EX-20
in)
)
(
22 to
45 to 115 mm
with white non-glossy paper
(100 100 mm
spot diameter "5 mm
with setting distance 80 mm
3.150 in
0.3 mm
Narrow-view reflective
Opaque,
translucent or
transparent object
Min. "1 mm
copper wire at setting
distance 80 mm
EX-28A(-PN)
EX-28B(-PN)
Side sensing
0.012 in
1.772 to 4.528 in
3.937 3.937
158 °F
"0.039 in
Reflector
200 mm
7.874 in
3.150 in
"0.197 in
or less
V)
in),
)