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SR23
INSTRUCTION MANUAL
CONTROLS
OUTPUT LED (YELLOW)
The yellow LED ON indicates output activation.
READY LED (green)
The green LED continuously ON indicates a normal operating condition. Refer to the "SETTING"
paragraph for the correct setting phase indications.
SET PUSH-BUTTON
Press SET push-button to activate acquisition.
DIMENSIONS
M8 CONNECTOR VERSION
CABLE VERSION
CONNECTIONS
M8 connector
(Connector view from external sensor side)
The thread allows connection to earth
TECHNICAL DATA
Power supply:
reverse polarity protection
Ripple:
Consumption
(output current excluded):
Outputs:
NPN and PNP according to the model;
pull up/down resistance= 33 K
Input / Remote:
Current output:
short-circuit protection
Capacitive load:
Output saturation voltage:
(values at maximum output current)
Response time:
Switching frequency:
≤ 20m/min (30cm/s)
Tape speed during acquisition:
35 ... 85% rH non condensing
Humidity:
Indicators:
READY LED (GREEN)
OUT LED (YELLOW)
Setting:
Data retention:
EEPROM non volatile memory
Operating temperature:
Storage temperature:
Dielectric strength:
500 VAC, 1 min between electronic parts and housing
Insulating resistance:
>20 M, 500 VDC between electronic parts and housing
Class 2 power supply according to UL 508-Type 1 Enclosure
minimum distance between the "Proximity Switch Metal
UL requirements:
Enclosure" and any "External uninsulated live part" shall be
Emission frequency:
50 kHz frequency modulated light
Emission type:
INFRARED 850 nm
Ambient light rejection:
according to EN 60947-5-2
0.5 mm amplitude, 10 ... 55 Hz frequency,
Vibrations:
for every axis (EN60068-2-6)
Shock resistance:
11 ms (30 G) 6 shocks per every axis (EN60068-2-27)
Slot width:
Slot depth:
Label width: ≥ 2 mm
Limits of detectable object:
Gap width: ≥ 2 mm
Housing material:
Lens material:
Mechanical protection:
Connections:
Weight:
2m cable / M8 4-pole connector
Housing material:
85 g. cable vers. / 46 g. M8 connector vers.
REMOTE FUNCTION AND PUSH-BUTTON BLOCKING
Using the REMOTE input, it is possible to perform the same SET check outside the sensor.
When the REMOTE wire is connected to +Vdc, it is as if the SET push-button was pressed.
Upon sensor switch-on, if the REMOTE wire is connected to +VDC, the block function is activated so
the SET push-button is no longer active.
To disable push-button block, switch sensor off and back on with the REMOTE wire disconnected or
connected to 0 V.
After push-button block, it is possible to program the device using the REMOTE input.
EARTH CONNECTION
You can connect to the earth in the following ways:
1. SR23 M8 conn. & Cable: by the M5 threaded hole on the body (preferential).
2. SR23 M8 conn.: by the use of a shielded cable with the shield connected to earth; use a shielded
cable with the shield connected to the threaded nut on the cable.
3. SR23 cable: by the connection of the cable shield itself.
Cable
The device is factory-set with output active on support-label (background).
This setting can be changed as described below.
DYNAMIC acquisition:
A) Insert labels into sensor slot.
B) Press SET push-button for 1 second until the READY green LED switches OFF.
If the OUT yellow LED is ON, it will turn off together with the READY green LED.
C) Release SET push-button.
At this stage, switching output is frozen on the last valid status before acquisition.
D) The READY green LED blinks slowly, thereby indicating acquisition in progress.
E) Slide the labels through the sensor, at a maximum speed of 20 m/min (30 cm/s), until at least 3...8
labels get through the sensor.
F) Briefly press SET push-button to end acquisition stage: 3 blinks of the READY green LED indicate
correct acquisition.
10 ... 30 VDC;
In case of unsuccessful acquisition, the READY green LED blinks quickly.
If this is the case, briefly press SET push-button to go back to the beginning of acquisition stage and
2 Vpp max.
repeat the process.
If error persists, label-to-background contrast might be not sufficient to obtain a correct acquisition
30 mA max.
result.
STATIC acquisition:
10... 30 VDC
A) Place the object to detect (the support or the label) into the sensor slot.
100 mA max.
If necessary, remove one or more labels to help positioning on the support.
B) Press SET push-button for 3 seconds until the OUT yellow LED blinks.
≤ 0.2µF
When you press SET, if the OUT yellow LED is on, it will turn off in 1 second.
2 V max.
At this stage, switching output is frozen on the last valid status before acquisition.
C) Release SET push-button; the sensor acquires the target.
40 µs max.
The OUT yellow LED blinks slowly.
12 kHz max.
D) Place the object to ignore (the support or the label) into the sensor slot.
E) Briefly press SET push-button; the sensor acquires the target: 3 blinks of the READY green LED
indicate correct acquisition.
SET push-button
In case of unsuccessful acquisition, the READY green LED blinks quickly.
If this is the case, briefly press SET push-button to go back to the beginning of acquisition stage and
-20 ... 55°C
repeat the process.
-20 ... 70°C
If error persists, label-to-background contrast might be not sufficient to obtain a correct acquisition
result.
Reversing Output status:
A) Press SET push-button for 7 seconds until both READY green LED and OUT yellow LED blink at
the same time.
at least 12.7 mm
B) Release SET push-button.
Output status is now reversed compared to previous conditions.
This setting is saved to the device.
Restoring the device factory settings:
A) Press SET push-button for 12 seconds until both READY green LED and OUT yellow LED blink
quickly.
5 mm
B) Release SET push-button.
50 mm
The device factory settings are now restored.
Output short-circuit warning:
Zinc alloy
In case of short-circuit of the PNP or NPN output, the READY green LED and OUT yellow LED blink
PBT
quickly and alternatively.
PC
IP65
The sensors are NOT safety devices, and so MUST NOT be used in the safety control
Datasensing S.r.l.
Strada S. Caterina 235 - 41122 Modena - Italy
Tel: +39 059 420411 - Fax: +39 059 253973 - www.datasensing.com
The warranty period for this product is 36 months. See General Terms and Conditions of Sales for further details.
For information about the disposal of Waste Electrical and Electronic Equipment (WEEE), please refer to the website at
www.datasensing.com.
© 2014 - 2022 Datasensing S.r.l  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 Datasensing S.r.l. ♦ Datasensing and the Datasensing logo are trademarks of Datasensing S.r.l. ♦ Datalogic
and the Datalogic logo are registered trademarks of Datalogic S.p.A. in many countries, including the U.S and the E.U.
SETTING
of the machines where installed.
826002290 Rev. A

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Summary of Contents for Datalogic SR23

  • Page 1 Datalogic logo are registered trademarks of Datalogic S.p.A. in many countries, including the U.S and the E.U. 2. SR23 M8 conn.: by the use of a shielded cable with the shield connected to earth; use a shielded cable with the shield connected to the threaded nut on the cable.
  • Page 2 Datasensing S.r.l. ♦ Datasensing e il logo Datasensing sono marchi di Datasensing S.r.l. ♦ Datalogic e il logo Datalogic sono marchi registrati di Datalogic S.p.A. depositati in diversi paesi, tra cui 2.
  • Page 3 écrite expresse de Datasensing S.r.l. ♦ Datasensing et le logo Datasensing sont des marques de commerce de Datasensing S.r.l. ♦ Datalogic et le logo Datalogic sont des marques de commerce de Datalogic S.p.A. déposées dans de nombreux pays, y compris les États Unis et 1.
  • Page 4 Form, mittels irgendwelcher Methode oder für irgendwelchen Zweck übermittelt werden. ♦ Datasensing und das Logo von Datasensing sind Handelsmarken von Datasensing S.r.l. ♦ Datalogic und das Logo von Datalogic sind eingetragene Handelsmarken von Datalogic 1. SR23 Anschl.M8 & Kabel: über Gewindebohrung M5 im Gehäuse (vorzugsweise).