Servo Winch Control System for Lab Platforms, PLC Closed-Loop 1000kg | KLD

Not an ordinary winch — an intelligent control system for experimental equipment. Built on PLC + HMI with servo closed-loop control, encoder feedback for digital length setting and constant-torque output. Developed for university laboratory platforms, it executes pre-set experimental logic automatically: payout/retrieval, fixed-length stop, speed switching and auto-cycle operation.

Quick Specs

System type: servo closed-loop winch control system (PLC + HMI)
Rated pull (case): 1000 kg
Motor: 0.75 kW
Rope: Ø6 mm, 82 m
Drum speed: 4.4 r/min | Rope speed: 1.6 m/min (avg.)
Length control: encoder feedback
Output mode: constant torque

Application Scenarios and Applicable Boundaries

- University laboratory platforms — experimental equipment testing, automatic payout/retrieval experiments, material tension testing, digital length control and automated experimental logic.
- Research institutes — long-duration (hours-to-days) continuous running with high stability and repeatability.
- Automation equipment manufacturers & industrial test platforms — precise collection, tension monitoring and real-time data acquisition.
- Data-driven experiments — real-time data collection and analysis during testing; experimental data readable for further processing.

Boundary: The system is designed for experimental/laboratory duties, not for personnel lifting. Confirm load, rope, stroke, control logic and site environment before ordering.

Features Benefits

Automated experimental flow — PLC + HMI control executes pre-set programs with minimal manual intervention, supporting automatic payout/retrieval, automatic stop, automatic speed switching, fixed-length stop and auto-cycle operation.
Precise positioning — servo closed-loop control with encoder feedback supports accurate speed regulation, positioning and stroke control, improving experimental repeatability.
Digital length setting — length is set digitally and controlled by encoder feedback, supporting fixed-length stop to reduce positioning error that may affect experimental results.

Complete Technical Specifications

Size Installation and System Interface

Outline dimensions (case): 610 × 650 × 555 mm (L × W × H).
Installation: structure and layout customized to the laboratory space (floor-mount with base frame; wall/vertical mounting on request).
Interface: HMI touch panel on control cabinet; encoder feedback on drum; rope exit direction configurable per site.

Control Safety and Protection

- PLC + HMI control — automatic payout/retrieval, automatic stop, automatic speed switching, fixed-length stop, auto-cycle operation and laboratory logic control.
- Secondary development — PLC program can be adjusted per experimental flow; supports experimental data reading.
- Fault self-test & multiple safety protections — emergency stop, indicator monitoring, position/stroke limits.
- Personnel lifting is excluded from the system's intended use.

Customization Options and Engineering Process

Configured around your operating conditions — Share the required line pull, rope travel, operating speed, duty cycle, power supply, installation envelope and environment. KLD will review the application and provide a proposed configuration, technical drawing and quotation for approval. Free design schematics are provided for different scenarios.

Requirements → Concept → Drawing & Quotation → Approval → Production & Test → Delivery

Standards Testing and Quality

The company operates an ISO 9001 quality management system. CE conformity documents (LVD, EMC) are available for applicable configurations on request. Classification certificates (e.g. LRS / BV / ABS / DNV GL) can be arranged as an optional item for marine applications.

Factory testing follows the approved technical specification for each configured unit and may include: no-load run, rated-load operation, brake function, limiter function and control verification. Available documentation may include dimensional drawings, electrical diagrams, inspection records and functional test results, depending on project scope.

Engineering Cases

Reference: PLC closed-loop servo winch control system custom-developed for a university laboratory (wind-tunnel circulation system), focusing on precision control and automated experimental logic — auto payout/retrieval, fixed-length stop and constant-torque output for data collection. Case rating 1000 kg, 0.75 kW. Customer details are anonymized per confidentiality requirements.

Technical Data Download

Downloads:
- Product Datasheet (PDF)
- General Arrangement Drawing (PDF)
- Installation & Operation Manual (PDF)
- Request CAD / Electrical Drawing

Delivery Packaging and Lifecycle Support

Most winches are custom-made products; lead time is confirmed after technical approval and order review. Project support can include configuration review, drawing approval, factory testing, export packaging, remote commissioning support and recommended spare parts. On-site measurement and installation support are available for applicable projects.