Serviceline Industrial Sensors
Serviceline Explosion Protection

Read head WCS2B-LS221

  • RS-485 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, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of  WCS2B-LS221

Product Description
Read head, RS-485 interface,
with RS-485 termination resistor
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
MTTFd66 a
Mission Time (TM)10 a
Diagnostic Coverage (DC)0 %
Electrical specifications
Operating voltage10 ... 30 V DC
Power consumption2 VA
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
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)
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Relative humidity90 % , noncondensing
Mechanical specifications
Connection type5-pin, M12 x 1 connector
Degree of protectionIP54
HousingABS , Polycarbonate , Polyamide (PA)
Mass500 g
General information
Ordering informationMounting plate included with delivery

Documents: WCS2B-LS221

ManualsLanguageFile TypeFile Size
Manual WCS ElectricalENGPDF4782 KB
Manual WCS MechanicalENGPDF8417 KB
Handbuch WCS ElektrikGERPDF4783 KB
Handbuch WCS MechanikGERPDF7649 KB
Short instructions, safety information
Configuration instructions, Reading heads WCS2A and WCS2B / Konfigurationsanleitung, Leseköpfe WCS2A und WCS2BALLPDF135 KB

Approvals+Certificates: WCS2B-LS221

Statements of complianceCertificate No.File TypeFile Size
/doc/doc0909d.pdfDOC-0909DPDF145 KB
Canada USA CSA Ordinary Location1007121PDF99 KB

Associated Products: WCS2B-LS221

Mounting plate for reading heads WCS2 and WCS3, Universal mounting plate for all reading heads WCS2... and WCS3...fa
Transparent protective case and seal for WCS2 readerfa