
The WCS3B-LS221 is a non-contact absolute position encoder read head designed for industrial positioning applications. It utilizes an RS-485 digital interface with integrated termination resistor for reliable long-distance communication. The read head operates with a binary code rail system to provide precise position feedback over measuring ranges up to 314.5 meters with a resolution of 0.4 mm. Key features include automatic detection of dirt accumulation on the sensor face, LED status indicators for power, data flow, and diagnostics, and tolerance for horizontal and vertical misalignment to the code rail. The device is suitable for conveyor systems, automated cranes, storage and retrieval systems, and other factory automation applications requiring accurate position tracking at speeds up to 12.5 m/s.
Item Details
- Brand Name: Pepperl+Fuchs
- Manufacturer: Pepperl+Fuchs SE
- Item Type Name: Absolute Position Encoder Read Head
- Product Family / Series: WCS3B
- Manufacturer Part Number: 199290-0010
- Connection Type: M12 x 1 connector, 5-pin
Product Specifications
- interface_type: RS-485
- measuring_range_max: 314.5 m
- resolution: ±0.4 mm (1250 positions/m)
- passage_speed_max: 12.5 m/s
- supply_voltage: 10-30 V DC
- power_consumption: 2 VA
- output_code: Binary code
- transfer_rate: 62.5 kBit/s
- horizontal_tolerance: ±15.5 mm
- vertical_tolerance: ±14 mm
- protection_rating: IP54
- operating_temperature: 0 to 60 °C
- housing_material: ABS/PC
Additional Details
- Rs485 Termination: Integrated termination resistor
- Position Encoding: Absolute, non-contact
- Indicators: Green LED (power on), Yellow LED (data flow), Red LED (error/diagnostic)
- Functional Safety Mttfd: 50 years
- Mission Time: 10 years
- Diagnostic Coverage: 0%
- Mounting Accessories Included: Mounting plate (WCS-MP1)
Measurements
- Weight: 500 g
- Dimensions: 128 mm × 99 mm × 55 mm (L × W × H)
All PLC Direct products come with a 1-year warranty. The warranty is issued by PLC Direct. Warranty coverage commences at the date of purchase. The warranty is for mechanical defects or failures not caused by human factors including but not limited to (a) incorrect installation, (b) operating the unit in sub-optimal conditions or in scenarios not recommended by the manufacturer, (c) poor unit maintenance, etc. The warranty does not cover programming or software related issues.
If the product is eligible for PLC Direct’s warranty coverage and the customer encounters an issue with the product, we will request the item is shipped to us for diagnosis and examination. Regardless of the cause of product issues, the customer will bear responsibility for the cost of shipping the unit to PLC Direct for evaluation. Where the unit was damaged by human factors, we will offer a repair or replace quote; in cases where damage was caused by human factors, the customer is responsible for the cost of shipping the repaired/replaced unit from PLC Direct to the customer. Where the unit was not damaged by human factors but is covered by PLC Direct’s warranty, we will repair or replace the unit at our cost (or, in rare cases, refund you your purchase); in such cases, PLC Direct will bear the cost of shipping the repaired or replaced product back to the customer. It is up to PLC Direct’s discretion whether to repair, replace, or refund the customer in such cases. Diagnoses can take time to complete based on technician availability and the complexity of diagnosis.
In no event shall PLC Direct be liable for any damages except actual damages up to, but not exceeding, the amount paid to us for the product, including we shall not be liable for any consequential or indirect damages or lost profits whether or not advised of same.
PLC Direct offers free shipping worldwide. Product ship from a various warehouses worldwide based on the customer's and the product's location. The estimated delivery date on the product page is PLC Direct's best estimated assuming a US-based shipping destination.
Regardless of where the product is shipping from, PLC Direct covers all duties for US-based shipping destinations. For non-US-based shipping destinations, customers are responsible for duties as appropriate.
PLC Direct's focus is on balancing price with lead time. Some but not all products can be expedited. If you have questions about delivery ETAs, please contact our team.

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