11
SPECIFICATIONS
Item
Sensing range
∅ 12mm or more opaque
object
Object to be sensed
Repeatability
(perpendicular to sensing axis)
Supply voltage
Emitter: 20mA or less
Current consumption
Receiver: 20mA or less
• NPN open-collector transistor
• Maximum sink current: 100mA
Output
• Applied voltage: 30V DC or less (between output and
• Residual voltage: 1V or less (at 100mA sink current),
Output
operation
Short-
circuit
protection
Response time
Operation indicator
Stability indicator
Green LED, lights up
Power indicator
when the power is ON.
Located on the emitter
Sensitivity adjuster
Automatic
interference
prevention function
Protection
Ambient temperature
Ambient humidity
Emitting element
Material
Cable
Weight
Receiver: 50g approx.
Accessory
*1
The retroreflective type sensor with polarizing filters may not stably detect specular or glossy objects through transparent film since light is polarized by the
transparent film. For details, see page 4, section 8, RETROREFLECTIVE TYPE SENSOR WITH POLARIZING FILTERS.
*2
Model nos. with the suffix -J indicate the M12 pigtailed type. The suffix -Z indicates the M8 connector type.
*3
The sensing range and the sensing object for the retroreflective type sensor is specified for the RF-230 reflector.
Retroreflective type with
Thru-beam
*2
CX-411 (NPN)
*2
CX-411-P (PNP)
10m
∅ 50mm or more opaque,
translucent or specular
object
0.5mm or less
NPN output type
0V)
0.4V or less (at 16mA sink current)
Orange LED, lights up when the output is ON. Thru-beam type sensor: located on the receiver.
Green LED, lights up under stable light received condition or stable dark condition. Thru-beam type sensor: located on the
*5
_____
-25 to +55°C (No dew condensation or icing allowed), Storage: -30 to +70°C
Red LED (modulated)
2
0.2mm
Emitter: 45g approx.
_____
RF-230 (Reflector): 1 pc.
Short sensing
*1
polarizing filter
range
*2
(NPN)
CX-491
*2
CX-491-P (PNP)
CX-421-P (PNP)
*3
3m
Opaque, translucent or specular
*3
12 to 24V DC ±10% Ripple P-P 10% or less
20mA or less
• PNP open-collector transistor
• Maximum source current: 100mA
• Applied voltage: 30V DC or less (between output and +V)
• Residual voltage: 1V or less (at 100mA source current), 0.4V or
Light-ON or Dark-ON
Incorporated
1ms or less
receiver
Available.
Incorporated, two sets of sensors can be mounted close together.
IP67 (IEC)
35 to 85% RH, Storage: 35 to 85% RH
Enclosure: PBT, Lens: Acrylic, Indicator cover: Acrylic
3-core (thru-beam type sensor emitter: 2-core) cabtyre cable, 2m long
5
Diffuse reflective
Long sensing
range
*2
(NPN)
(NPN)
CX-421
CX-422
*2
CX-422-P (PNP)
*4
300mm
800mm
1mm or less
25mA or less
PNP output type
less (at 16mA source current)
_____________________
Infrared LED (modulated)
50g approx.
_____
Narrow view
reflective
*2
*2
(NPN)
CX-423
*2
*2
CX-423-P (PNP)
*4
*4
70 to 200mm
Opaque, translucent
or transparent object
(Min. ∅ 0.5mm
copper wire)
0.5mm or less
20mA or less
Red LED
(modulated)