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Download the complete datasheet as a PDF:
Datasheet excerpt: Technical data of
WCS3B-LS221ES
Product Description
Read head, RS-485 interface, with RS-485 terminal resistor
General specifications
Passage speed
≤ 12.5 m/s
Measuring length
max. 629 m
Free tolerances to code rail
horizontal: 31 mm ( ± 15.5 mm ) vertical: 28 mm ( ± 14 mm )
Resolution
± 0.4 mm (1,250 positions/m)
Functional safety related parameters
MTTFd
151 a
Mission Time (TM)
20 a
Diagnostic Coverage (DC)
0 %
Indicators/operating means
Data flow indicator
1 LED yellow flashing: data communication active
Velocity indicator
2 LED yellow on: if the speed limit is not exceeded off, if speed limit is exceeded
Error indicator
3 Dual LED green on: code rail detected, normal function green flashing: invalid position red on: internal diagnostic test failed red flashing: read head outside of code rail
Electrical specifications
Operating voltage
10 ... 30 V DC
Power consumption
2.2 VA
Interface
Interface type
RS 485 interface
Data output code
binary code
Protocol
2 , extended to 629 m
Transfer rate
62.5 kBit/s
Address
0
Termination
with RS 485 termination
Query cycle time
≥ 5 ms
Output
Output velocity
switching output
Output type
1 switch output PNP, NO , short-circuit protected
Switching voltage
Operating voltage
Switching current
150 mA
Standard conformity
Emitted interference
EN 61000-6-4:2007+A1:2011
Noise immunity
EN 61000-6-2:2005
Shock resistance
EN 60068-2-27:2009
Vibration resistance
EN 60068-2-6:2008
Approvals and certificates
CSA approval
cCSAus Certified, General Purpose Class 2 power source
CCC approval
CCC approval / marking not required for products rated ≤36 V
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