Rockwell Automation 42FB-xxx User Manual
Installation Instructions PHOTOSWITCHR
42FB General Purpose and Analog Output DIN Fiber Optic Sensors
IMPORTANT: SAVE THESE INSTRUCTIONS FOR FUTURE USE.
General Purpose (Digital Output) Sensors
Description
42FB General Purpose DIN Fiber Optic Sensors are useful in
general purpose or high speed applications. Standard 250s
versions offer extended sensing ranges. High-speed 30s
versions offer a shorter sensing range, but extremely fast
response times for high speed parts counting and assembly
applications.
Each sensor can be directly DIN rail mounted. A separate
mounting bracket is also included for stand alone mounting.
Over 50 compatible standard plastic and small diameter glass
fiber optic cables are available, please refer to the
Allen-Bradley Sensors Catalog.
Features
S Pico quick-disconnect available
S No tools required to attach or remove fiber optic cables
S Dual LED indicators: Output (red), Stability (green)
S Four-turn sensitivity adjustment
S Visible red light source
S DIN rail or separate mount (with supplied bracket)
S Short circuit protection
S Reverse polarity protection
S Transient noise protection
S Switch selectable Light or Dark Operate outputs
S Switch selectable 50ms output off-delay (pulse stretcher)
Indicators
The red output indicator is ON when the detected light level is
above a margin of 1.0. The green stability indicator is ON
when the sensing application is stable, when the detected
light level is below a margin of 0.7 or above a margin of 1.2.
General Specifications
Ambient Temperature -- 2 5 Cto+55C(--13Fto+131F)
Relative Humidity 85% max
Housing Material ABS
Operating Environment NEMA 1 and IP40
Approvals UL listed and CSA certified,
class 2 source required
Weight 80 grams (2.8 oz)
Emitter LED Visible red 660nm
Connections 3 conductor 500V PVC cable, 2m length
4-pin DC pico style male receptacle
Analog Output Sensors
Description
42FB Analog Output Sensors provide a DC voltage output
that is proportional to the amount of transmitted or reflected
light detected. This sensor has a fast response time and good
temperature linearity as described in the Specifications
below.
Each sensor can be directly DIN rail mounted. A separate
mounting bracket is also included for stand alone mounting.
Over 50 compatible standard plastic and small diameter glass
fiber optic cables are available, please refer to the
Allen-Bradley Sensors catalog.
Features
S Pico quick-disconnect available
S No tools required to attach or remove fiber optic cables
S Red output indicator
S Four-turn sensitivity adjustment
S Visible red light source
S DIN rail or separate mount (with supplied bracket)
S Short circuit protection
S Reverse polarity protection
S Transient noise protection
Indicator
The red output indicator is ON when light is detected. The
intensity (brightness) of the indictor increases as more light is
detected.
General Specifications
Ambient Temperature -- 10 Cto+55C(14Fto+131F)
Relative Humidity 85% max
Housing Material ABS
Operating Environment NEMA 1 and IP40
Approvals UL listed and CSA certified,
class 2 source required
Weight 80 grams (2.8 oz)
Emitter LED Visible red 660nm
Connections 3 conductor 500V PVC cable, 2m length
4-pin DC pico style male receptacle
Temperature Drift Less than 0.15% per C
Output Ripple 50mV typical, 80mV max
1
Typical Response Curves—General Purpose
Retroreflective Diffuse Transmitted Beam
1000
1000
1000
99--809
100
10
Operating Margin
1
10mm
(0.39in)
99--808
100mm
(3.9in)
99--801
1000mm
(39.4in)
99--800
10000mm
(393.7in)
Distance to 76mm Reflector Model 92- 39
Typical Response Curves—Analog
99--809
100
10
Operating Margin
1
1mm
(0.03in)
10
8
6
4
Output (V)
2
0
99-- 800
020mm
99--801
99-- 808
10mm
(0.39in)
Distance to White Target
(0.78)
40mm
(1.57)
100mm
(3.9in)
60mm
(2.36)
99--800
1000mm
(39.4in)
80mm
(3.14)
100mm
(3.9in)
99--90
99-- 819
1000mm
(39.4in)
Operating Margin
100
10
1
(0.03in)
1mm
99--823
10mm
(0.39in)
99--821
Operating Distance
Transmitted BeamDiffuse with White Paper
10
8
Output (V)
6
4
2
0
0 20mm
(0.78)
99--819
60mm
(2.36)
100mm
(3.93)
140mm
(5.51)
Distance
Distance
Wiring
42FB--F2L _ _--A2
NPN Output
Cable
Brown: 12--24V DC
Black: Sensor Output
Blue: --DC
NPN Output
Quick-Disconnect
Note: Details regarding connection of Allen-Bradley Bulletin 42FB photoelectric sensors to Allen-Bradley programmable controllers can be found in publication 42 --2.0.
Brown
1
2
4
Black
Blue
3
PNP Output
Brown: 12--24V DC
Black: Sensor Output
Blue: --DC
PNP Output
1
2 2
4
3
Brown
Black
Blue
42FB--F2J _ _--A2
Analog Sensor
Brown: 12--24V DC
Black: Sensor Output
Blue: -- DC
Analog Sensor
1
4
3
Brown
Black
Blue
Pico
24
13
2
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