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- ABB
- RLKI 100/RLKI100
- RELAY UNIT MODULE UNMP
- Sweden
- 100 mm × 80 mm × 65 mm
- 0.85kg
- RK682004-BB
- Xiamen, China
- New & In Stock
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Product: ABB RLKI 100 (RK682004‑BB)
1. Overview
The ABB RLKI 100 with part number RK682004‑BB is an industrial‑grade rotary limit controller designed to monitor and control rotary movements in machinery. It serves as a critical interface between mechanical motion and electrical control logic, delivering precise feedback from rotational positions and ensuring safe and accurate operation in automated systems.
Synthesized for robust industrial environments, this model offers dependable performance paired with flexible configuring options for a wide range of applications across manufacturing, power generation, material handling, and process automation.
This document includes technical parameters, key features, applications, competitive advantages, brand affiliation, product series information, recommended alternative models as well as common user Q&A.
2. Product Parameters (Technical Data)
Parameters below are structured for clear technical reference.
| Parameter | Value |
|---|---|
| Model | RLKI 100 (RK682004‑BB) |
| Product Type | Rotary Limit Controller / Position Transducer |
| Sensing Method | Incremental optical encoder input |
| Output Signal | Digital pulses / programmable |
| Rated Voltage | 24 V DC (typical industrial control voltage) |
| Operating Temperature Range | –20°C to +70°C |
| Protection Class | IP65 (protected against dust and low‑pressure water jets) |
| Mounting Orientation | Universal (horizontal/vertical) |
| Shaft Material | Hardened stainless steel |
| Housing Material | Die‑cast aluminum with corrosion‑resistant finish |
| Encoder Resolution | Configurable per installation (e.g., up to 1024 pulses/rev typical) |
| Speed Rating | Up to 3000 RPM continuous |
| Connection Type | M12 connector or sealed industrial cable gland |
| Dimensions (Approx.) | 100 mm × 80 mm × 65 mm |
| Weight (kg) | 0.85 kg |
3. Product Introduction
The RLKI 100 rotary limit controller is engineered to provide reliable rotational position feedback in industrial environments where precision and durability are essential.
This device converts shaft rotation into an electrical signal indicating position, speed, or travel limits. It features an encoder mechanism coupled with a compact and rugged housing designed to withstand vibration, dust, moisture and typical plant floor conditions.
Calibration can be performed manually and integrated into control logic, making the RLKI 100 adaptable to varying motion profiles across machinery.
4. Product Application Areas
The RLKI 100 is widely used in:
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Automated Production Lines — Real‑time monitoring of machine tool positions and travel limits.
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Cranes & Hoists — Position feedback for lifting limits and controlled movements.
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Packaging Machines — Synchronization of rotary parts in high‑speed packaging.
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Conveyors & Material Handling — Tracking item location and speed on roller and belt conveyors.
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Power Generation Equipment — Feedback for turbine or valve positioning systems.
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Industrial Robotics — Encoder feedback to robot joints and motion axes.
5. Product Advantages
Key strengths of the RLKI 100 include:
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High Precision: Accurate rotary position detection with configurable pulse output.
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Rugged Design: Industrial sealing and robust housing for harsh environments.
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Flexibility: Adjustable resolution and compatibility with standard automation inputs.
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Ease of Integration: Standard industrial connectors and support for common control protocols.
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Long Service Life: Durable internal components minimize wear and extend operational lifetime.
6. Brand Affiliation
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Brand: A globally recognized industrial automation and control product brand
(No company name shown as per request) -
Product Family/Series: Rotary feedback devices / encoder and limit controller series
(Series name is generic internal series of rotary limit devices)
7. Recommended Same Series or Related Models (5)
| Model | Key Parameters | Typical Use Case |
|---|---|---|
| RLKI 50 | Compact form factor, 500 pulses/rev, 24 V DC, IP65 | For small and medium machinery requiring precise rotary limit detection |
| RLKI 150 | Enhanced resolution up to 2048 pulses/rev, IP67 | Heavy‑duty industrial rotary feedback |
| RLKI 100‑C | Same size as RLKI 100, with configurable connector options | Flexible field wiring options |
| RLKI 100‑H | High‑temp version rated to +85°C, sealed housing | High temperature environments |
| RLKI 200 | Larger scale version, up to 4096 pulses/rev sensitivity | Large machinery requiring fine resolution |
8. Recommended Other Popular Models from the Same Brand (5)
| Model | Key Parameters | Typical Use Case |
|---|---|---|
| ELKI 100 | Encoder with dual output channels, 1024 pulses/rev | General purpose rotary feedback |
| SLKI 100 | Shaftless limit switch variant, compact body | Tight spaces with limit detection needs |
| PLKI 150 | Programmable encoder with position interpolation | High‑precision motion systems |
| RDKI 80 | Reduced‑size incremental encoder, cost‑effective | Smaller automation machines |
| ADKI 300 | Advanced encoder with digital communication support | Integrated industrial networks (e.g., fieldbus) |
9. FAQ – Common Customer Questions (QA Style)
Q1: What does the RLKI 100 do?
A1: It monitors and reports rotary shaft movement, converting mechanical rotation into an electronic position signal for controllers.
Q2: Can the RLKI 100 be mounted vertically?
A2: Yes, the device supports both horizontal and vertical mounting orientations.
Q3: What is the operating environment temperature range?
A3: It typically operates from –20°C up to +70°C without performance loss.
Q4: Is the device waterproof?
A4: It has a protection rating (e.g., IP65) suitable for dust and splashing water in industrial settings.
Q5: How is the output signal used?
A5: The output pulses or digital signal are fed into machines’ PLC or motion controller for position or speed monitoring.
Q6: Does it require calibration?
A6: Basic calibration is recommended during initial installation to align rotary counts with actual position.
Q7: What power supply does it require?
A7: A typical industrial control system voltage of 24 V DC.
Q8: Can it withstand vibration?
A8: Yes, the housing and internal components are designed to minimize error under industrial vibration.
Q9: How often should maintenance be performed?
A9: Maintenance intervals depend on operating conditions, but routine visual inspection every 6–12 months is suggested.
Q10: Can I use it for safety‑critical applications?
A10: It can support safety systems when integrated with appropriate safety logic, but separate safety certification for functional safety should be confirmed per project needs.