Serviceline Industrial Sensors
Phone: 330-486-0001
Fax: 330-405-4710
Serviceline Explosion Protection
Phone: 330-486-0002
Fax: 330-963-5827

Read head WCS3B-LS221H-OR

  • For outdoor use
  • Non-contact, absolute position encoder
  • Extended temperature range
  • Automatic detection of dirt accumulation
  • RS-485 interface
  • Freely selectable cable outlet due to rotating insert

Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of  WCS3B-LS221H-OR

Product Description
Read head, RS-485 interface,
with RS-485 termination resistor
General specifications
Passage speed≤ 12.5 m/s
Measuring rangemax. 314.5 m
Free tolerances to code railhorizontal: 28 mm ( ± 14 mm )
vertical: 25.5 mm ( +11.5 mm/-14 mm )
Resolution± 0.4 mm (1,250 positions/m)
Functional safety related parameters
MTTFd60 a
Mission Time (TM)10 a
Diagnostic Coverage (DC)0 %
Indicators/operating means
Operation indicatorLED green: power on
Data flow indicatorLED yellow: data communication active
Error indicatorLED red
flashing: read head outside of code rail
solid on: internal diagnostic test failed
Electrical specifications
Operating voltage10 ... 30 V DC
Power consumption11 VA at 24 V DC
Interface typeRS 485 interface
Data output codebinary code
Protocol1 , 2
Transfer rate62.5 kBit/s
Terminationwith RS 485 termination
Standard conformity
Emitted interferenceDIN EN 61000-6-4 , DIN EN 12015
Noise immunityDIN EN 61000-6-2 , DIN EN 12016
Shock resistanceDIN EN 60068-2-27, half sine 30 g, 18 ms
Vibration resistanceDIN EN 60068-2-6, sine, 5 g, 10 - 2000 Hz, 10 cycles
Approvals and certificates
CSA approvalcCSAus Certified, General Purpose
Class 2 power source
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Operating temperature-40 ... 60 °C (-40 ... 140 °F)
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Mechanical specifications
Connection type5-pin, M12 x 1 connector
Degree of protectionIP67 / IP69
HousingPET , PC (Polycarbonate)
Mass1000 g
NoteThe reader must not be operated without the protective housing!


ECLASS 11.027270701
ECLASS 10.0.127270701
ECLASS 9.027270701
ECLASS 8.027270701
ECLASS 5.127270701
ETIM 8.0EC001852
ETIM 7.0EC001852
ETIM 6.0EC001852
ETIM 5.0EC001852
UNSPSC 12.141111945


CADFile TypeFile Size
3-D model / 3-D-ModellSTP1672 KB
CAD Portal / CAD PortalLINK---
EPLAN Data Portal / EPLAN Data PortalLINK---

Approvals+Certificates: WCS3B-LS221H-OR

Statements of complianceCertificate No.File TypeFile Size
Declaration of conformity Simple Apparatus / Konformitätserklärung Einfache elektrische BetriebsmittelDOC-0909EPDF142 KB
Canada USA CSA Ordinary Location1007121PDF99 KB

Associated Products: WCS3B-LS221H-OR

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Outdoor protective housing for reader WCS3B, Accessory WCS3B, Selectable connector position: left, middle, right, SSI interface, RS-485 interface, CANopen interfacefa