» IFM Electronic » IFM O6H309 Diffuse reflection sensor with background suppression

IFM O6H309 Diffuse reflection sensor with background suppression


The price is not final. Please check with the manager!


  • Robust stainless steel housing for use in the food and beverage industry
  • Resistant to high-pressure cleaning with aggressive cleaning agents
  • High protection rating for the requ
Contact Sales


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] 22; ((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; (selectable)
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] 2…200; (white paper 200 x 200 mm)
Range on white object (90 % remission) [mm] 2…200
Range on grey object (18 % remission) [mm] 4…200
Range on black object (6 % remission) [mm] 8…200
Range adjustable yes
Max. light spot diameter [mm] 8
Light spot dimensions refer to at maximum range
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; Binary Data Channel
SIO mode yes
Required master port type A
Min. process cycle time [ms] 2.5
IO-Link process data (cyclical)
function bit length
process value 8
binary switching information 1
IO-Link functions (acyclical) application specific tag; operating hours counter; switching cycles counter
Supported DeviceIDs
Type of operation DeviceID
Default 424
Operating conditions
Ambient temperature [°C] -25…80
Protection IP 65; IP 67; IP 68; IP 69K
Tests / approvals
EN 60947-5-2
MTTF [years] 534
UL approval
UL Approval no. E010
Mechanical data
Weight [g] 34.4
Housing rectangular
Dimensions [mm] 41.3 x 13 x 21
Materials housing: stainless steel (1.4404 / 316L); plastics: PPSU; Sealing: EPDM
Lens material
Lens alignment side lens
Tightening torque [Nm] 1; (screws)
Displays / operating elements
switching status 1 x LED, yellow
operation 1 x LED, green
operating voltage “supply class 2” according to cULus
Pack quantity 1 pcs.
Electrical connection
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) , background white (90 % remission)
2 = object grey (18 % remission) , background white (90 % remission)
3 = object white (90 % remission) , background white (90 % remission)

Leave a Reply

Your email address will not be published. Required fields are marked *


Reviews about the product IFM O6H309 Diffuse reflection sensor with background suppression