SUMTAK LGF-018-100 Optcoder 5VDC 160MA

( Brand: Sumtak ), ( Manufacturer Part Number: LGF-018-100 ), ( Country Of Manufacture: Japan )

Review SUMTAK Optcoder 5vdc 160ma

The **Sumtak LG-F018-100 OPT-Coder** is a high-performance, industrial-grade optical encoder designed for precision motion control, automation, and industrial applications where reliability and accuracy are paramount. This compact yet robust encoder operates on a **5V DC power supply** with a **100mm (4-inch) cable length**, delivering a consistent and stable output current of **160mA** to ensure seamless integration with a wide range of control systems, PLCs, and motion controllers. Engineered with a **high-resolution optical sensing mechanism**, the LG-F018-100 provides exceptional positional feedback, making it ideal for applications such as CNC machines, robotics, conveyor systems, and automated assembly lines where fractional accuracy is critical.

The encoder features a **durable, sealed construction** that protects internal components from dust, moisture, and contaminants, ensuring long-term operational integrity in harsh industrial environments. Its **incremental output signals** (typically A/B/Z phases) allow for precise position tracking, speed monitoring, and directional detection, while its **low-profile design** facilitates easy mounting on shafts, belts, or pulleys without excessive space constraints. The **100mm cable** provides sufficient flexibility for installation in tight or confined areas, reducing the need for additional wiring extensions while maintaining signal integrity.

Beyond its technical specifications, the Sumtak LG-F018-100 stands out for its **versatility and ease of integration**. Compatible with a variety of communication protocols, including **TTL, RS-422, or custom digital interfaces**, it can be seamlessly connected to PLCs, single-board computers, or dedicated motion control systems. Its **low-power consumption** and **minimal heat generation** contribute to energy efficiency, reducing operational costs in continuous-use applications. Whether deployed in a high-speed manufacturing setting or a precision measurement system, this encoder delivers **consistent, repeatable performance**, making it a dependable choice for engineers and technicians seeking a balance of affordability, durability, and high-precision feedback.

The **Sumtak LG-F018-100 (OPT-Coder, 5V DC, 160mA)** is a compact, optical encoder designed for precise position and speed sensing in automation, robotics, and industrial applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High Precision and Resolution**

The encoder provides accurate position feedback with a high resolution (typically 1000 pulses per revolution or higher, depending on the configuration). This makes it suitable for applications requiring fine control, such as CNC machines, robotic arms, or linear actuators.

2. **Optical Design with Robustness**

Optical encoders are generally more durable than magnetic or capacitive types because they lack moving parts (other than the rotating disk). This reduces wear and tear, extending the lifespan of the device in harsh environments.

3. **Low Power Consumption**

Operating at **5V DC and 160mA**, this encoder is energy-efficient, making it ideal for battery-powered or low-power systems. It can be easily integrated into circuits without significant power draw concerns.

4. **Compact and Modular Design**

The LG-F018 series is designed to be small and lightweight, allowing for easy installation in space-constrained applications. The modular design also simplifies integration into existing systems.

5. **Compatibility with Common Interfaces**

The OPT-Coder format is widely used in industrial automation, meaning it can be easily interfaced with PLCs (Programmable Logic Controllers), microcontrollers (Arduino, Raspberry Pi), or motion controllers. It often supports incremental (A/B phase outputs) and sometimes absolute (with additional wiring) encoding.

6. **High Reliability in Industrial Environments**

Optical encoders are less susceptible to interference from electromagnetic fields (unlike inductive sensors) and can perform consistently in dirty or dusty conditions, provided they are properly sealed.

7. **Cost-Effective for Mid-Range Applications**

While not the cheapest encoder on the market, it offers a good balance between performance and price, making it accessible for small to medium-scale industrial or hobbyist projects.

8. **Easy to Install and Replace**

The design is straightforward, with standard mounting options (e.g., shaft coupling or direct mounting). Replacement or calibration is typically simple, reducing downtime.

9. **Support for High-Speed Applications**

Optical encoders like this one can handle high rotational speeds without significant signal loss, making them suitable for fast-moving machinery.

10. **Global Availability and Support**

Sumtak (a brand under the **Sumida Corporation** group) is a well-known manufacturer in the encoder market, with widespread distribution and technical support.

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### **Cons**

1. **Limited Absolute Positioning Without Additional Hardware**

The LG-F018-100 is primarily an **incremental encoder**, meaning it only provides relative position changes (pulses) and requires homing or external memory (e.g., a microcontroller) to determine absolute position. If absolute positioning is critical, you may need to add a separate absolute encoder or use a multi-turn version, which can increase cost and complexity.

2. **Sensitivity to Dust and Particles**

While optical encoders are robust, they can suffer from **dust, oil, or debris** accumulating on the optical disk or sensor, leading to signal noise or loss. Regular cleaning may be required in dirty environments.

3. **Potential for Signal Noise in Noisy Environments**

Optical encoders can generate noise if the light source or sensor is exposed to strong ambient light or electrical interference. Shielding or proper wiring may be necessary in such cases.

4. **Higher Cost Than Simple Sensors**

Compared to basic limit switches or magnetic encoders, this optical encoder is more expensive. For very low-budget applications, alternatives may exist, though they may sacrifice precision.

5. **Requires Proper Wiring and Shielding**

Incorrect wiring (e.g., improper grounding or long unshielded cables) can introduce noise into the signal. This may require additional care during installation.

6. **Limited Customization Options**

The LG-F018-100 is a standard model with fixed specifications (e.g., resolution, voltage, current). If you need non-standard features (e.g., different output types, higher resolution, or special mounting), you may need to source a different model.

7. **Potential for Misalignment Issues**

If the encoder disk or sensor is misaligned during installation, it can cause false pulses or signal loss. Precision mounting is essential for optimal performance.

8. **No Built-In Index Pulse (Depending on Model)**

Some incremental encoders include an index pulse (Z-phase) for homing, but this may not be standard in all variants of the LG-F018-100. Check the datasheet to confirm if this feature is available.

9. **Dependence on External Power Supply**

Since it requires a **5V DC power source**, you must ensure a stable and compatible power supply is available in your system.

10. **Learning Curve for Integration**

While straightforward, integrating an encoder into a control system (e.g., PLC or microcontroller) may require some programming knowledge, especially for advanced applications like closed-loop control.

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### **Conclusion**

The **Sumtak LG-F018-100 (OPT-Coder, 5V DC, 160mA)** is a **reliable, high-precision optical encoder** well-suited for applications requiring **incremental position feedback** in industrial, robotic, or automation settings. Its **compact design, low power consumption, and robustness** make it a strong choice for mid-range precision tasks. However, its **lack of absolute positioning without additional hardware, sensitivity to environmental factors, and need for proper installation** are key limitations to consider.

If your application demands **only incremental feedback, operates in a reasonably clean environment, and fits within the encoder s specifications**, this is an excellent choice. For **absolute positioning needs**, you may need to pair it with a microcontroller or use a multi-turn absolute encoder. If cost is a major concern and lower precision is acceptable, simpler sensors might suffice.

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### **Recommendation**

- You need **high-resolution incremental position sensing** for applications like CNC machines, robotic joints, or linear actuators.

- Your system **already has a 5V DC power supply** and can handle the 160mA current draw.

- You are working in a **moderately clean environment** (or can implement proper sealing and maintenance).

- You plan to use it with a **PLC, microcontroller, or motion controller** that supports incremental encoder inputs.

- You prioritize **durability and low maintenance** over absolute positioning.

- You require **absolute positioning** without additional hardware (consider a **multi-turn absolute encoder** instead).

- Your environment is **extremely dirty, dusty, or exposed to harsh chemicals** (a **sealed or magnetic encoder** may be better).

- You need **higher resolution or custom features** not offered by this model.

- Your budget is very tight, and a **simpler incremental encoder or limit switch** would suffice.

- **Multi-turn absolute encoders** (e.g., **Heidenhain, Renishaw**) for applications needing absolute position without homing.

- **Magnetic encoders** (e.g., **AS5048A**) if you need robustness in dirty environments.

- **Lower-cost incremental encoders** (e.g., **US Digital, Encoders.com**) if budget is a primary concern.

For most **precision automation projects where incremental feedback is sufficient**, the **Sumtak LG-F018-100 is a solid, cost-effective choice**. Ensure proper installation, wiring, and environmental considerations to maximize its performance.

Details:

We choose the carrier. Will there be a dock or forklift. Source: DC 5V 160mA. Weight lbs, oz: 1,13.

Next Day Second Air Services are available. Consignee: B. Brand: Sumtak.

Items in Lot: condition: Used. Need it urgently. LOCAL PICK-UP, Prefer to pick it up yourself.

After the return period has ended, you can no longer product. Model: LGF-018-100. Your phone number and business name. All goods are so AS IS' and WITH ALL FAULTS meaning, without limitation, that.

Country of Manufacture: Japan.

part #: lgf018100 price

• $69.99

specifications linactuat:

• brand: Sumtak
• mpn: Lgf-018-100
• country of manufacture: Japan

general linactuat:

• Industrial Automation Motion Controls > Rotary Linear Motion > Lead, Ball Roller Screws
• condition: Used

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• other
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offer linactuat:

• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• best offers: True
• started: March 31, 2026

shipping linactuat:

• service: USPS Priority Mail
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• cost: $12.99
• carrier: USPS
• type: Fixed
• class: Expedited

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• city: Middlebury, Indiana
• rating: 99.8%
• # reviews: 63768

returns linactuat:

• time: 30 Days
• method: Money back
• paid by: Buyer
• policy: Returns Accepted

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