Serviceline Industrial Sensors
Serviceline Explosion Protection

Read head WCS2B-LS311

  • SSI interface
  • Non-contact, absolute position encoder
  • Automatic detection of dirt accumulation

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  WCS2B-LS311

Product Description
Reading head, SSI interface, Gray code
General specifications
Passage speed≤ 12.5 m/s
Measuring rangemax. 327 m
Free tolerances to code railhorizontal: 10 mm ( ± 5 mm )
vertical: 10 mm ( ± 5 mm )
Resolution± 0.42 mm (1,200 positions/m)
Functional safety related parameters
MTTFd170 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Electrical specifications
Operating voltage10 ... 30 V DC
Power consumption2 VA
with Option H, heating: 9 VA at 24 V DC
Interface typeSSI interface
Data output codeGray code , 25 bit
Clock frequency100 ... 1000 kHz
Pause time≥ 20 µs
double request possible, if tp ≤ 10 µs
Standard conformity
Emitted interferenceDIN EN 61000-6-4
Noise immunityDIN EN 61000-6-2
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 temperature0 ... 60 °C (32 ... 140 °F)
with Option H, heating: -40 ... 60 °C (-40 ... 140 °F)
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Relative humidity90 % , noncondensing
Mechanical specifications
Connection type8-pin, M12 x 1 connector
Degree of protectionIP54
HousingABS , Polycarbonate , Polyamide (PA)
Mass500 g
General information
Ordering informationMounting plate included with delivery


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

Documents: WCS2B-LS311

ManualsLanguageFile TypeFile Size
Manual WCS ElectricalENGPDF6189 KB
Manual WCS MechanicalENGPDF11347 KB
Handbuch WCS ElektrikGERPDF6241 KB
Handbuch WCS MechanikGERPDF11360 KB
Product information
Product information - Position Encoding SystemENGPDF1913 KB
Produktinformation - Weg-Codier-SystemGERPDF1923 KB
Product information - Position Encoding System / Produktinformation - Weg-Codier-SystemJPNPDF3350 KB


CADFile TypeFile Size
3-D model / 3-D-ModellSTP1301 KB
CAD Portal / CAD PortalLINK---
EPLAN Data Portal / EPLAN Data PortalLINK---

Approvals+Certificates: WCS2B-LS311

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: WCS2B-LS311

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