Linear resolution
Calculate cable travel per encoder revolution and controller counts per revolution.
Technical selection, cross-reference and global export supportSend a model or application →
FOSAI PRODUCT CATEGORY
Incremental Draw-wire Sensors
Pulse-output draw-wire sensors for relative linear travel, speed and machine position measurement.
CATEGORY OVERVIEW
An incremental draw-wire sensor combines a cable-extension mechanism with an A/B pulse encoder. The controller calculates relative travel and direction from pulses, so a reference is normally required after power-up. Select it by measuring range, pulses per unit distance, maximum frequency, output circuit and cable mechanics.
SELECTION CHECKLIST
Compare the requirement before the model.
Reference
Plan homing or retained controller count when absolute power-up position is required.
Frequency
Check maximum travel speed against the pulse input bandwidth.
Mechanics
Confirm range, cable alignment, acceleration, cycle life and mounting.
PRODUCT OPTIONS
Technical pages in this category
Incremental Draw-wire Displacement Sensor
Cable-extension mechanism paired with an incremental encoder for relative travel and speed.
Parameters, drawings and selection →Micro BRT27 Draw-wire Sensor
Compact cable-extension sensor for short-stroke installations with limited space.
Parameters, drawings and selection →CATEGORY QUESTIONS
Before choosing this category
How do I convert pulses to millimeters?
Use the mechanism travel per encoder revolution and the confirmed pulse or count convention, then calibrate the installed system.
Can it detect movement while powered off?
No. Incremental pulses require powered sensing and controller counting.
TECHNICAL SELECTION
Confirm the complete configuration.
Include measurement, interface, supply, mechanics, environment, documentation and quantity.
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