953151070 | SR21-IR | Infrared LED High-Resolution Fork Sensor, PNP/NPN, M8 Connector

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Overview

Datalogic SR21-IR, 953151070

Sr Fork Sensor, Label Sensor Infra Red Pnp/Npn - M8

The slot photoelectric sensors of the SR21 series, with 2mm slot width, are characterized by a high 12 bit (4096 steps) resolution, a low 20??s response time and a switching frequency reaching 25kHz. The setting of the switching threshold is carried-out automatically by simply pressing a push-button, or dynamically during label (or other reference) movement. The SR21-IR model with infrared emission is ideal for label or hole detection on continuous surfaces, while the SR21-RG model with double red or green emission suits color print register mark detection on transparent films for automatic packaging.

Features:
  • Teach-in setting: easy and fast setting procedure
  • Dynamic setting: possibility to set the sensor while the labels film is moving
  • 12 bit resolution: high detection reliability for a precise reading
  • 25KHz switching frequency: high detection repeatability
  • Red/Green emission model: possibility to perform contrast application
Applications:
  • Packaging lines
  • Labeling machines
  • Paper and Printing machines
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Technical Specifications

SKU: 953151070-datalogic
Nominal Sensing Distance
2mm
Minimum Detectable Object
0.5mm
Sensitivity Adjustment
Teach-in
Application Principle
Fork for label detection
Description
Compact - fork 2x50 mm
Functions
Fork for label detection
Output Type
NPN/PNP L/D Selectable
Output Function
L/D Selectable
Switching Frequency
25kHz
Response Time
0.02
Operating Voltage
10 to 30VDC
No-Load Supply Current
55mA
Load Current
100mA
LED Indicators
Yellow (status output), Green/Red (Read/Error)
Short-Circuit Protection
Yes
Reverse Polarity Protection
Yes
Emission
LED Infrared
Interference to External Light
according to EN 60947-5-2 : 2020
Impulsive Overvoltage Protection
Yes
Insulation Resistance
>20 MΩ 500 Vdc, between electronics and housing
Dielectric Strength
500 Vac 1 min., between electronics and housing
Dimensions
20x26x90
Housing Material
Metal - Zamak
Connection
M8 plug 4pin
Active Head Material
PMMA
Storage Temperature
-25°C to +70°C
Slot Depth
50mm
Approvals
CE cULus
Shocks and Vibrations
0.5 mm amplitude, 10 to 55 Hz frequency, for every axis (EN60068-2-6)
Operating Temperature
-20°C to +60°C
Mechanical Protection
IP65
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Technical Documents

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