» IFM Electronic » IFM O8H210 Diffuse reflection sensor with background suppression

IFM O8H210 Diffuse reflection sensor with background suppression


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  • Compact light spot for precise detection even at longer distances
  • Extremely reliable background suppression
  • Installation within seconds, space-saving design
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Product characteristics
Type of light red light
Housing rectangular
Special feature Background suppression
Function principle Diffuse reflection sensor
Electrical data
Operating voltage [V] 10…30 DC
Current consumption [mA] 20; ((24 V))
Protection class III
Reverse polarity protection yes
Type of light red light
Wave length [nm] 633
Electrical design PNP
Output function light-on/dark-on mode; (programmable)
Max. voltage drop switching output DC [V] 2.5
Permanent current rating of switching output DC [mA] 100
Switching frequency DC [Hz] 1000
Short-circuit protection yes
Type of short-circuit protection pulsed
Detection zone
Range [mm] 1…30; (white paper 200 x 200 mm)
Range on white object (90 % remission) [mm] 1…30
Range on grey object (18 % remission) [mm] 5…30
Range on black object (6 % remission) [mm] 5…29
Range adjustable yes
Max. light spot diameter [mm] 4
Light spot dimensions refer to at maximum range
Monitoring range final value [mm] 10…80
Background suppression available yes
Communication interface IO-Link
Transmission type COM2 (38,4 kBaud)
IO-Link revision 1.1
SDCI standard IEC 61131-9
Profiles Smart Sensor: Device Identification; Device Diagnosis; Teach Channel; Switching Channel
SIO mode yes
Required master port type A
Min. process cycle time [ms] 3
IO-Link process data (cyclical)
function bit length
process value 8
device status 4
binary switching information 1
IO-Link functions (acyclical) application specific tag; operating hours counter; switching cycles counter
Supported DeviceIDs
Type of operation DeviceID
Default 535
Operating conditions
Ambient temperature [°C] -25…60
Protection IP 65; IP 67
Tests / approvals
EN 60947-5-2
MTTF [years] 757
UL approval
Ta -25…60 °C
Enclosure type Type 1
power supply Limited Voltage/Current
UL Approval no. E017
File number UL E174191
Mechanical data
Weight [g] 21.1
Housing rectangular
Dimensions [mm] 28.1 x 8.1 x 14.4
Materials housing: ABS; stainless steel (1.4404 / 316L)
Lens material
Lens alignment side lens
Displays / operating elements
switching status 1 x LED, yellow
operation 1 x LED, green
Pack quantity 1 pcs.
Electrical connection
Connection Cable: 0.3 m, PVC; 3 x 0.08 mm²
Connection Connector: 1 x M8; coding: A
Diagrams and graphs

a: sensor
b: object
c: background
x: distance sensor/object [mm]
y: min. distance object/background [mm]
accuracy graph

x: distance sensor/object [mm]
y: min. distance object/background [mm]
1 = object black (6 % remission) , $Hintergrund_weiss_90_Remission
2 = object grey (18 % remission) , $Hintergrund_weiss_90_Remission
3 = object white (90 % remission) , $Hintergrund_weiss_90_Remission

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