CX-21 PANASONIC EW, CX-21 Datasheet

PHOLOELECTRIC SENSOR

CX-21

Manufacturer Part Number
CX-21
Description
PHOLOELECTRIC SENSOR
Manufacturer
PANASONIC EW
Datasheet

Specifications of CX-21

Output Current
100mA
Sensor Output
NPN Open Collector
Supply Voltage Range Dc
12V To 24V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CX-21
Manufacturer:
Coilcraft
Quantity:
8 500
CX-20
Amplifier Built-in Compact
Photoelectric Sensor
Compact Size
Just 20mm in depth, 5mm shorter than
a conventional model.
Strong Light Beam
CX-21
strong light beam which can pass
through 20 sheets of copier paper.
The sensor incorporates an infrared
LED that is strong against dust or dirt.
160
(at setting distance of 100mm)
31mm
(thru-beam type) emits a
12mm
20mm
5mm shorter
20 sheets of copier paper
Two Sensors Mountable Together
(
Insusceptible to Extraneous Light: CX-23
CX-29
and CX-24
incorporate an automatic interference
prevention function. Hence, two sensors
can be mounted close together.
As the spread of the beam from the
CX-23
mounting of sensors is possible.
CX-21 , CX-23 , CX-28
do not have this function.
SERIES
(retroreflective type), CX-22
emitter is narrow, close
CX-23
(diffuse reflective type)
CX-21
Half the
span of CX-21
CX-23
or CX-28IR
General Purpose
Photoelectric Sensor
with Full Basic
Performance
)
Waterproof
The sensor can be hosed down
because of its IP67 construction and
the non-corrosive stainless steel
mounting bracket.
Note: However, take care that if it is exposed to
Plug-in Connector Type Is Available
Plug-in connector type sensor, which
can be easily disconnected for
replacement, is available. In case a
problem occurs anyone can replace the
sensor in a minute.
(IEC conforming)
M8 connector
water splashes during operation, it may
detect a water drop itself.
"9mm
Conforming to EMC Directive
Marked
Mating cable
CN-24E -C2
(Cable length: 2m)
CN-24E -C5
(Cable length: 5m)
Plug-in
connector type
CX-2 -J

Related parts for CX-21

CX-21 Summary of contents

Page 1

... Two Sensors Mountable Together CX-29 (retroreflective type), CX-22 and CX-24 (diffuse reflective type) incorporate an automatic interference prevention function. Hence, two sensors can be mounted close together. CX-21 , CX-23 , CX-28 or CX-28IR ( ) do not have this function. Insusceptible to Extraneous Light: CX-23 As the spread of the beam from the CX-23 emitter is narrow, close mounting of sensors is possible ...

Page 2

... Sensing output Emitting element 10m CX-21 5m CX-23 0 CX-29 (Note 1) NPN open-collector transistor 50 to 1,000mm CX-28IR (Note 1) CX-22 800mm CX-24 300mm CX-21-PN 10m CX-23- CX-29-PN (Note 1) PNP open-collector transistor 50 to 1,000mm CX-28IR-PN (Note 1) 800mm CX-22-PN 300mm CX-24-PN Reflector cannot be placed in this ...

Page 3

... Plug-in connector type is available. When ordering this type, add ‘-J’ to the model No. (e.g.) Plug-in connector type of CX-21-PN is ‘CX-21-PN-J’. Plug-in connector type of CX-29-Y is ‘CX-29-J-Y’. • Mating cable (2 Nos. are required for the thru-beam type.) Type Model No ...

Page 4

... Sensor checker CHX-SC2 The optimum receiver position is given by indicators, as (Note 4) well as, an audio signal. Notes: 1) RF-11 cannot be used with CX-28IR . Notes: 2) The plug-in connector type sensor does not allow use of some sensor mounting brackets because of the protrusion of the connector. Notes: 3) Refer to P.310l for details of the universal sensor mounting stand. ...

Page 5

... CX-20 SPECIFICATIONS Thru-beam Type NPN output type CX-21 PNP output type CX-21-PN Item Sensing range 10m "12mm or more opaque object (Note 3) Sensing object Hysteresis Repeatability 0.5mm or less (perpendicular to sensing axis) Supply voltage NPN output Emitter: 35mA or less type Receiver: 25mA or less ...

Page 6

... Symbols ... D: Reverse supply polarity protection diode Z : Surge absorption zener diode PNP output transistor SENSING CHARACTERISTICS (TYPICAL) All models Correlation between setting distance and excess gain 100 100 CX-21 CX- Setting distance L (m) Setting distance L (m) Wiring diagram Brown Black ...

Page 7

... CX-20 SENSING CHARACTERISTICS (TYPICAL) CX-21 Thru-beam type Parallel deviation Angular deviation Emitter # L Receiver 2,000 1,000 0 1,000 2,000 Left Left Center Right Operating angle $ ( ) Operating point ?(mm) Parallel deviation with round Parallel deviation with rectangular slit masks ("2mm) slit masks (0 Slit on one side ...

Page 8

... L fully counterclockwise. Dark-ON mode is obtained when the switch is turned D L fully clockwise. MS-CX2-1 (Optional) Others • Do not use during the initial transient time (50ms) after the power supply is switched on. • When connecting the mating cable to the plug-in connector type sensor, the tightening torque should be 0. less. ...

Page 9

... ON (Lights up) OFF (Lights off) Lights up Lights off ON 3 OFF Reflector Sensor Fig. A CX-2 -J Operation indicator (Red) (Note 2) Stability indicator (Green) (Note 1) 12 Center of 40.5 sensing "11 Notes: 1) Not incorporated on the emitter of the thru-beam type sensor. Notes the power indicator (red) on the emitter of the thru-beam type sensor ...

Page 10

... Effective reflecting surface Material: Acrylic RF-220 34.3 42.3 8 3.3 8.3 Material: Acrylic (Reflector) ABS (Base) RF-11 (6) 8 Material: Acrylic 0.7 Adhesive tape CX-20 Reflector (Optional) 35.3 (21) 4 3.3 2-"3.6 mounting 25 8.3 holes Reflective tape (Optional) 30 0.7 (28) Effective reflecting surface Adhesive tape ...

Page 11

... R25 25 t 2.5 Material: Stainless steel (SUS304) Two M3 (length 14mm) screws with washers are attached. 170 Assembly dimensions Mounting drawing with CX-2 14 2-"3.4 holes (for RF-210 9.5 Assembly dimensions Mounting drawing with CX-2 8-"3.4 holes 15 7.8 ...

Page 12

... Reflector mounting bracket for RF-210 (Optional) 5.5 Material: Stainless steel (SUS304) Two M3 (length 12mm) screws with washers are attached. 10 3.2 "25 t 1.2 12.5 13 Assembly dimensions 25 Mounting drawing 19 with CX 1 Assembly dimensions Mounting drawing with CX-2 3 Center of sensing 31 3.4 Assembly dimensions 23 " 3.5 R7 ...

Page 13

... CX-20 DIMENSIONS (Unit: mm) MS-RF22 Reflector mounting bracket for RF-220 (Optional 8-M3 0.5 thru-hole threads 20 Material: Cold rolled carbon steel (SPCC) (Uni-chrome plated) Two M3 (length 8mm) screws with washers are attached. MS-RF23 Reflector mounting bracket for RF-230 (Optional) 40 4 (3) 26 (28) 8-M4 0 ...

Page 14

... EQ-20 32 series, and one auxiliary mounting plate for 2-"7 mounting holes EX-40 series are attached. Note: The dimensions in the brackets indicate the adjustable range of the movable part. Assembly dimensions with CX-20 series (Mounting part only ...

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