TL46-A
Contrast sensor
INSTRUCTION MANUAL
CONTROLS
OUT LED (yellow)
The red LED indicates the output status.
READY LED (green)
During functioning, the green LED permanently ON
indicates a normal operating condition; fast blinking
indicates an output overload condition.
INDICATORS ARROWS (orange)
The arrows show the direction of knob rotation to adjust threshold.
LIGHT/DARK SWITCH
Switch to select LIGHT/DARK operation mode.
SENSITIVITY ADJUSTMENT KNOB
The knob rotation change the sensors sensitivity.
Clockwise rotation
Increse sensitivity.
Counterclockwise rotation
decrese sensitivity.
See the “SETTING” paragraph for setup procedure indications.
INSTALLATION
The sensor can be positioned by means the two Ø3.5 mm housing’s holes
using or threaded M5 holes with 6mm max. depth.
Warning:
the use of excessively long screws can damage the product.
The connector can be oriented at five different positions, rotating the block.
The position chosen is guaranteed by a mechanical blocking system.
The rotation can be carried-out even after sensor installation as the connector
block is completely self-contained inside the housing.
The operating distance is measured starting from the lens front face.
The reading direction can be changed inverting the cap and lens.
Mark detection on a reflective surface is improved adjusting the beam
direction to 5° … 20° from surface axis.
DIMENSIONS
TECHNICAL DATA
Power supply:
10…30 VDC limit values
Class 2 (Type 1) UL508
Ripple:
2 Vpp max.
Current consumption
(output current excluded):
40 mA max. @ 24 VDC
Output:
PNP o NPN
30 VDC max.
(short-circuit protection)
Output current:
100 mA max.
Output saturation voltage:
2 V
Response time:
25
s
Switching frequency:
20 kHz
Analogue output:
0 … 5 V
2.2 V on white target 90% ± 10%
Analogue output
impedance:
2.2 k
(short-circuit protection)
Delay:
0 / 20 ms
selectable via delay input
Light-dark selection:
switch
Indicators:
OUT LED (yellow) / READY LED (green)/
INDICATORS ARROWS (orange)
Operating temperature:
-10 … 55 °C
Storage temperature:
-20 … 70 °C
Electric shock protection:
double insulation
Operating distance:
9 mm
Depth of field:
3 mm
Minimum spot dimension:
1.5x5 mm
Emission type:
TL46-A-4xx: WHITE (400-700 mm)
TL46-A-6xx: RED (630 nm)
Ambient light rejection:
according to EN 60947-5-2
Vibrations:
0.5 mm amplitude, 10 … 55 Hz frequency, for
each axis (EN60068-2-6)
Shock resistance:
11 ms (30 G) 6 shock for each axis
(EN60068-2-27)
Housing material:
aluminium
Lens material:
mirror
Mechanical protection:
IP67
Connections:
M12 5-pole connector
Weight:
170 g. max.
AtEx 2014/34/EU:
II 3G EX nA II T6 ;
II 3D EX tD A22 IP67 T85°C
CONNECTIONS
SETTING
SENSITIVITY ADJUSTMENT
-
Select the function mode through
light-dark switch.
-
The setting procedure is faster
rotating the sensitivity knob quickly
(application with high contrasts),
otherwise rotate the knob slowly to
detect difficult contrast.
-
Position mark in front of the sensor
light spot and rotate the sensitivity
adjustment knob until the OUT LED is
ON. The orange arrows indicate the
direction of rotation. When the sensor
reach the maximum/minimum
sensitivity the indicator arrows blinks.
During adjustment phase the READY LED (green) turns OFF.
LIGHT mode
Rotate the sensitivity adjustment knob
in clockwise direction until OUT LED
turns ON.
DARK mode
Rotate the sensitivity adjustment knob
in counterclockwise direction until OUT
LED turns ON.
Position the background in front of the sensor light spot and rotate the
sensitivity adjustment knob until the OUT LED is ON.
LIGHT mode
Rotate the sensitivity adjustment knob
in clockwise direction until OUT LED
turns ON.
DARK mode
Rotate the sensitivity adjustment knob
in counterclockwise direction until OUT
LED turns ON.
Rotate the knob in opposite direction for ½ the number of turns required to
detect the background. Position mark in front of the sensor light spot to verify
the correct commutation of the output.
At the end of the setting fase the READY LED (green) turns ON: the sensors
had set the new sensitivity.
LIGHT mode
Rotate the sensitivity adjustment knob
in counterclockwise direction.
DARK mode
Rotate the sensitivity adjustment knob
in clockwise direction..
ACCESSORY FUNCTIONS
ANALOGUE output
The analogue output supplies a voltage proportional to the signal received by
the sensor. The voltage supplied is 0 ÷ 5V.
The maximum voltage is obtained with reflective objects; on 90% white the
voltage is equal to 2.2 V.
DELAY SETTING
The DELAY extends to 20ms the minimum duration of the active output
allowing the slower interfacing systems to detect shorter pulses.
Delay activation
-
Connect Delay signal (grey wire) to power supply.
Delay deactivation
-
Connect Delay signal (grey wire) to 0V or leave unconnected.
OUTPUT OVERLOAD
The digital output overload is signalled by the rapid blinking of the READY
LED.
The sensors are NOT safety devices, and so MUST NOT be used in the safety control of
the machines where installed.
Datalogic S.r.l.
Via S. Vitalino 13 - 40012 Calderara di Reno - Italy
Tel: +39 051 3147011 - Fax: +39 051 3147205 - www.datalogic.com
Helpful links at www.datalogic.com:
Contact Us,
Terms and Conditions,
Support
.
The warranty period for this product is 36 months. See General Terms and Conditions of Sales for
further details.
Under current Italian and European laws, Datalogic is not obliged to take care of product
disposal at the end of its life. Datalogic recommends disposing of the product in compliance with
local laws or contacting authorised waste collection centres.
© 2012 - 2017 Datalogic S.p.A. and/or its affiliates
ALL RIGHTS RESERVED.
Without limiting the
rights under copyright, no part of this documentation may be reproduced, stored in or introduced into a
retrieval system, or transmitted in any form or by any means, or for any purpose, without the express
written permission of Datalogic S.p.A. and/or its affiliates. Datalogic and the Datalogic logo are registered
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and improvements without prior notification.
821001993
Rev.C
ON
OUT with DELAY
OFF
20ms 20ms
ON
OUT without DELAY
OFF
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