Datasheet
Self-Contained Opposed-Mode Sensor Pair
An easy-to-use self-contained opposed-mode sensor pair in a rugged U-shaped housing
Easy and economical to mount
Molded-in beam guides simplify mounting and beam placement
30 mm slot width for a wide variety of sensing applications
Applications include label detection, hole detection, gear tooth detection, edge guiding and
counting
10 V dc to 30 V dc operation
Bipolar PNP/NPN outputs
Visible red beam
Choose 1 millisecond or 300 microsecond response
4-turn potentiometer sensitivity adjustment
2 mm effective beam
Dark or light operate
Choose integral, unterminated cable or QD models
WARNING: Not To Be Used for Personnel Protection
Never use this device as a sensing device for personnel protection. Doing so could lead to serious injury or death. This device
does not include the self-checking redundant circuitry necessary to allow its use in personnel safety applications. A sensor
failure or malfunction can cause either an energized or de-energized sensor output condition.
Models
Models Sensing Beam Slot Width Cable
1
Supply
Voltage
Output Type Response Repeatability
SL30VB6V
Visible red, 680 nm 30 mm (1.2 in)
2 m (6.5 ft) 5-wire cable
10 V dc to 30
V dc
Bipolar NPN
and PNP
1 ms 250 µs
SL30VB6VQ 5-Pin Euro-style QD
SL30VB6VY 2 m (6.5 ft) 5-wire cable
300 µs 75 µs
SL30VB6VYQ 5-Pin Euro-style QD
Overview
The SL30 Series Slot Sensor (sometimes called a “Fork Sensor”)
comprises an opposed-mode emitter and its receiver inside a single
convenient housing.
Opposed-mode sensing is very reliable, and the single self-contained
housing provides easy installation, with no sensor alignment required. In
addition, the molded-in arrow on the emitter portion of the housing and
the slotted design on the receiver portion of the housing show at a
glance the position of the beam, simplifying installation placement.
Receiver (Beam Aligns at Groove)
Power ON LED
Signal LED
Emitter
Sensitivity
Selector
Figure 1. Features
1
To order the 9 m (30 ft) PVC cable model, add the suffix "W/30" to the cabled model number. For example, Models with a quick disconnect require a mating
cordset.
SL30 Series Slot Sensor
Original Document
56407 Rev. D
23 February 2018
56407
Gear Tooth Detection Edge Detection Register Mark Detection on Clear Film
Packaging Film
Register Marks
Figure 2. Typical Applications
LED Indicators
The Slot Sensor features two LED Indicators: Power (green) and Signal (amber). They indicate the following:
Green ON: Power ON
Amber ON: Sensor sees light
Amber
flashing: Excess gain is marginal (1 to 1.5×) in light condition
Select Light Operate/Dark Operate
Connect the gray wire to +V (10 V dc to 30 V dc) for Dark Operate; and to dc common (or open) for Light Operate. See wiring diagrams.
Wiring Diagrams
3
1
2
4
5*
10-30V dc
L
L
+
Wiring Key
1. Brown
2. White
3. Blue
4. Black
5. Gray*
*For Dark operate, connect gray wire to + (brown). For Light operate, connect gray wire to - (blue).
Note: Quick disconnect (QD) wiring diagrams are functionally identical.
Adjust the Sensitivity
Adjust the sensitivity by turning the 4-turn clutched Sensitivity potentiometer with a small slotted screwdriver.
1. Apply power to the sensor.
2. Turn the potentiometer fully counter-clockwise, 4 full turns or more to set the sensor to the minimum sensitivity.
3. Present the Light condition.
If the amber Signal Condition indicator is ON, that is the Light condition sensitivity position. If not, proceed to the next step.
4. Turn the potentiometer clockwise, just until the amber Signal Condition indicator turns ON and note the position of the potentiometer.
5. Present the Dark condition.
6. Turn the potentiometer clockwise, just until the amber Signal Condition indicator turns ON, and note the position of the potentiometer.
7. For maximum reliability, the difference between these two positions should be at least one full turn. Set the sensitivity midway between the
two positions for best sensing results.
If the object to be sensed is very thin and non-metallic, the sensor may emit too much light energy for the object to completely block the beam. To
test this, place the object in the sensing position, and decrease the sensitivity until the amber LED goes OFF. Remove the object; verify that the
indicator comes ON solidly. If this does not occur, investigate other sensing alternatives.
SL30 Series Slot Sensor
2 www.bannerengineering.com - Tel: +1-763-544-3164 P/N 56407 Rev. D