Long Range12102A6513---12102AQD03---12102A6517---12102AQD07---
THESE PRODUCTS ARE NOT DESIGNED, TESTED, OR RECOMMENDED FOR USE IN HUMAN SAFETY APPLICATIONS.
USE #4 MOUNTING HARDWARE ONL Y! LARGER HARDWARE
WILL DAMAGE THE SENSOR AND MA Y CREA TE AN ELECTRICAL SHOCK HAZARD. TIGHTEN THE HARDWARE JUST TO THE
SENSOR BODY SO THAT NO DEFLECTION OF THE BODY
OCCURS.
DURING INST ALLATION, CORRECT POWER CONNECTIONS
MUST BE MADE FIRST TO ENSURE FAIL-SAFE SHORT CIRCUIT
PROTECTION OF THE OUTPUTS. REFER TO THE WIRING
DIAGRAMS IN THIS MANUAL.
DO NOT USE TOOLS TO APPL Y TORQUE DIRECTLY TO SENSOR
BODY . ALIGN SENSOR BY HAND BEFORE TIGHTENING
MOUNTING HARDWARE.
THE GAIN AND LIGHT/DARK ADJUSTMENT POTS ARE 3/4
TURN POTS. ANY RESISTANCE ENCOUNTERED WHILE
ADJUSTING THESE POTS INDICATES YOU HA VE REACHED THE
ADJUSTMENT LIMIT STOP. TURNING P AST THIS STOP WILL
DAMAGE THE SENSOR.
USE ONLY A SUITABLE ADJUSTMENT TOOL OR FLATBLADE
SCREWDRIVER WHEN TURNING ADJUSTMENT POTS. SHARP
OBJECTS CAN DAMAGE THE POT AND RESULT IN ELECTRICAL
SHOCK.
AC/DC CONNECTOR VERSION SENSORS ARE EQUIPPED WITH
AN AC-TYPE CONNECTOR. THE USE OF DC POWER WITH ACTYPE CONNECTORS MAY NOT CONFORM WITH EST ABLISHED
STANDARDS.
INTRODUCTION
Thru-beam sensors consist of a source and detector positioned on opposite sides of a detection zone. The source emits
infrared and visible red light, which is received by the detector.
The detector output switches when this beam of light is either
blocked (when set for dark operation), or completed (light
operation). Note that a wide beam source will not work with a
Series Thru-Beam Sensors
long range detector and a wide beam detector will not work
WARNING
with a long range source .
This manual covers both forward viewing and right angle
viewing models. Although the units differ in the location of the
lenses, the basic fundamentals of installation, setup, and
operation are nearly identical. The two types of sensors may be
intermixed with no change in optical performance.
MOUNTING
The Comet sensor features a threaded housing and includes
jam nuts and washers. This allows mounting into any 0.75 inch
hole, or a model 6161A-6501 “L” bracket. Use caution to avoid
cross-threading the jam nuts on the sensor body. Tighten nuts
to less than 4 N•m (36 in.-lbs. or 3 ft.-lbs.) torque to avoid
stripping threads.
A second mounting method is to use #4 hardware in the 0.125
inch diameter mounting holes in the flat sides of the sensor.
This is ideal for mounting the Comet against a wall, piece of
equipment, rail, mounting bracket, etc.
Right Angle
Viewing
Mounting
sensor using
#4 hardware.
Forward
Viewing
Mounting
sensor
using
jam nuts.
MOUNTING LOCA TION AND SETUP
Mount the source and detector units so they are aimed directly
at each other from opposite sides of the target. (The detector
should be on the dirtier side because the light scattering effect
of dirt collecting on the lens is less significant if it takes place
at the detector.) Ensure that the area of the target to be
detected will block the entire effective beam (see illustration at
right). Apply power to both units.
Accurate sensing depends on proper alignment of the source
and detector. To begin, the source and detector must be
positioned in rough alignment so that source light is received
by the detector (check by placing a solid object in front of the
source beam—the output indicator on the detector will change
when the object blocks the beam, and change back when the
object is removed). If the output indicator does not change,
follow one or both of these two rough alignment methods:
1.The source emits visible red light. Look at the source with
your eye positioned close to the detector. Mount the detector
in the area where the source light is brightest.
2.Place a retroreflector over the lens of the detector. Look at
the detector with your eye positioned close to the source.
Mount the source in the area where the light reflected from
the retroreflector is the brightest.
109818-100 Rev 05Page 2
Obtain final alignment by moving the detector back and forth in
the horizontal axis to find the extreme positions where the
output indicator on the detector goes “off” (for dark operate
models, or “on” for light operate models). Position the detector
midway between the two extremes. Repeat this procedure for
the vertical axis, then tighten the source in place. Now repeat
the final alignment procedure for the source.
The detector must be placed within
the source beam pattern
(the area containing all
the light rays emitted
by the source).
Source
Beam
Pattern
Detector
Working
Range
Effective
Beam Diameter
(Detection Zone)
The source must be placed
within the detector field of
view for the detection
system to operate.
Detector
Field
of View
Source
(the diameter of the lens)
will be detected. An object
must fully block this beam
in order to be detected.
Only the light
source rays that
travel in a straight
line to the receiver
APPROXIMA TE DIMENSIONS (Shown in inches except where noted)
Quick-disconnect versions: 7 ±1 inch
Cable versions: 6 feet
0.125 Diameter
Thru Holes (2 places) Use
#4 Hardware Only
LED
Cable
length*
"A"
Light/Dark
Adjustment
1.00"B"0.32
Gain
Adjustment
"C"
M 18 x 1.0 Thread (mm)
(fits into a 0.75 inch hole)
0.11
"D"
0.47
Effective 6/99
10
109818-100 Rev 05Page 3
1
WIRING DIAGRAMS
For wiring cable versions, the color codes shown are the actual
wire colors emanating from the sensor. For connector versions, the pin numbering and color codes shown are typical of
several manufacturers, however, variations are possible. In
case of discrepancies, rely on function indicated and pin
location rather than pin number or color code.
AC/DC Models (AC Connection)
Connector Version-Face View Male
Switched
L1
Load
(Red)*
No Connection (Green)
Connector Version-Face View Male
NPN
Output
Load
(Sink)
(Red)*
No Connection (Green)
(Red/White)
2
3
4
(Red/White)
2
3
4
1
1
(Red/Black)
+V
(Red/Black)
( - )
Load
Switched
L1
Cable Version
Blue
Black*
AC/DC
Comet
Brown
*Note: No connection when using thru-beam sources
L2
AC 20 to 264 V
L1
AC/DC Models (DC Connection; see on first page)
+V
DC 15 to 30 V
( - )
Cable Version
Load
NPN
Output
(Sink)
Blue
Black*
AC/DC
Comet
Brown
*Note: No connection when using thru-beam sources
OPTICAL PERFORMANCE
All optical specifications are guaranteed to be the minimum
performance under clean conditions of any product delivered
from stock. Typical performance may be higher.
Dirt in the environment will affect optical performance by
reducing the amount of light the control receives. For best
results, sensors should be used at distances where excess
gain is higher than 1.5 (1.5 times the amount of sensing power
required to detect an object under ideal conditions). Higher
excess gain will allow the sensor to overcome higher levels of
contamination on the lens.
L2
11100/1210011102/12102
SourceSensing: Infrared, 880 nm
Maximum Range20 feet80 feet
Optimum Range0 to 10 feet0 to 40 feet
Field of View30 inch diameter40 inch diameter
L
Effective Beam0.25 x 0.625 inches0.25 x 0.625 inches
Input Voltage20 to 264 V ac, 50/60 Hz15 to 30 V dc10 to 30 V dc
(15 to 24 V dc above 55° C/131° F)(10 to 24 V dc above 55°C/131° F)
Power Dissipation1.5 W maximum1.5 W maximum1 W maximum
Output TypeVMOS (bi-directional)NPN (sink)NPN and PNP (dual outputs)
Current Switching300 mA maximum300 mA maximumPNP (source): 100 mA maximum;
CapacityNPN (sink): 250 mA max.
(120 mA max. above 55° C/131° F)
Voltage Switching375 V peak maximum375 V peak maximum30 VDC maximum
Capacity
Off-State Leakage250 µA typical250 µA typical10 µA maximum
500 µA maximum500 µA maximum
Surge Current2 A maximum2 A maximum1 A maximum
On-State Voltage- - -1.8 V at 10 mA; 3.5 V at 300 mANPN: 400 mV at 10 mA,
Drop 1.5 V at 250 mA;
PNP: 2.8 V at 100 mA
Response Time8 mS3.5 mS
Short CircuitSensor will turn off immediately when a short or overload is detected (Indicator LED will flash).
ProtectionTurn power OFF and back ON to reset.
IMPORTANT: During installation, correct power connections must be made first to ensure fail-safe short
circuit protection of the outputs.
Light/Dark Operation Switch selectable on detector
Temperature RangeOperating and Storage; Source: -20° to +70° C (-4° to +158° F); Detector: -40° to +70° C (-40° to +158° F)
Material ofLens: Polycarbonate; Cable jacket: PVC; Body: Structural polyurethane foam
Construction(do not expose to concentrated acids, alcohols, or ketones)
Cable/Connector6-foot cable, 3-wire (ac/dc models), 4-wire (dc-only models); Micro Connector, 4-pin male
Vibration and ShockVibration: 30 g over 10 Hz to 2 kHz; Shock: 100 g for 3 mS 1/2 sinewave pulse
Indicator LEDSource: Lights when power is ON; Detector: Lights steady when output is ON, Flashes when short circuit
(Our products conform to NEMA tests as indicated, however, some severe washdown applications can
exceed these NEMA test specifications.If you have questions about a specific application, contact our
Applications Department.)
ApprovalsContact factory for the latest list of approvals
Still Need Help?
Contact the
Cutler-Hammer Sensor
Application Engineers
1-800-426-9184
Fax: 425-513-5356
Cutler-Hammer
720 80th Street SW
Everett, WA 98203-6299
425/513-5300 Fax: 425/513-5302
www.cutlerhammer.eaton.com
Effective 6/99
Printed in U.S.A.
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