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Main Functions

Real‑time position signal acquisition: Receive position feedback signals from encoders, resolvers or displacement sensors, continuously track real‑time physical position of moving axes.
Multi‑point programmable position triggering: Support configuring 4 independent position trigger points. When moving axis reaches pre‑set position value, the board outputs isolated switching signals without mechanical contact, realizing virtual limit‑switch function.
Isolated digital output control: Provide opto‑coupler isolated output channels, resist industrial‑site electromagnetic interference; output signals can directly drive relays, contactors, PLC input terminals or actuator control circuits.More products: www.plcva.com

DLP7300‑1A4P Industrial Programmable Limit Switch Board

Parameter configuration & storage: Store trigger‑position parameters, hysteresis values, output logic modes (normally‑open / normally‑closed) in on‑board non‑volatile memory; parameters remain retained after power‑off.
Motion‑over‑travel protection: Set soft‑limit trigger points for axis travel; output interlock signal to stop equipment movement when position exceeds allowable range, prevent mechanical collision and hardware damage.
Industrial bus & host communication: Communicate with upper‑level PLC, motion controller or HMI via industrial interface; upload real‑time position data, trigger‑event status and fault diagnostic information, support remote parameter modification.
On‑board fault diagnosis: Detect sensor signal loss, signal abnormality and board hardware failure; generate fault flags for equipment maintenance and troubleshooting.
Anti‑interference industrial hardware design: Adopt galvanic isolation circuit, anti‑surge and anti‑EMI layout, adapt to harsh workshop environment with vibration, voltage fluctuation and electromagnetic noise.

DLP7300‑1A4P Industrial Programmable Limit Switch Board

Heavy‑duty industrial machinery: Replace mechanical limit switches for hydraulic presses, large‑scale machine tools, bending machines and shearing machines; realize contact‑free position triggering and stroke‑limit protection.
Material handling & lifting equipment: Applied in cranes, hoists, gantry robots and stacking equipment, implement position‑arrival signal output and over‑travel safety protection.
Metallurgy & rolling‑mill automation: Used for roller‑axis position monitoring, fixed‑point trigger control in metallurgical production lines, reduce wear and failure of traditional mechanical limit switches.

DLP7300‑1A4P Industrial Programmable Limit Switch Board

Packaging & printing production lines: Position‑trigger control for servo‑driven conveying, cutting and positioning stations, improve trigger‑position repeat accuracy.
Plastic injection‑molding & extrusion equipment: Axis position signal triggering for clamping, injection and ejector mechanisms, serve as auxiliary safety‑limit hardware.
Spare‑part replacement for automated production lines: Used as aftermarket spare component for repairing existing production equipment, upgrade old mechanical‑limit‑switch systems to contact‑free programmable triggering mode.