TURCK BL67-8DI-N Plc Modules WX100

( Brand: Turck ), ( Manufacturer Part Number: BL67-8DI-N ), ( Part Type: Module )

Review TURCK Bl678din

The **Turck BL67-8DI-N (BL678DIN-WX100)** is a high-performance, industrial-grade **8-channel digital input module** designed to deliver reliable and versatile signal processing in demanding automation and control applications. Part of Turck s robust **BL67 series**, this DIN-rail-mounted device combines compact form-factor engineering with advanced functionality, making it an ideal choice for integration into PLC systems, distributed I/O architectures, or standalone control setups. The module features **isolated, galvanically separated inputs**, ensuring protection against voltage spikes, noise, and ground loops critical for maintaining system stability in harsh industrial environments. Each of the eight inputs supports **TTL, PNP, or NPN signal types**, accommodating a wide range of sensors, switches, and actuators, including proximity sensors, limit switches, and pushbuttons. The **WX100 variant** further enhances its utility by incorporating **wireless connectivity options**, enabling seamless integration with wireless networks for remote monitoring, diagnostics, and data acquisition without the need for extensive cabling.

The BL67-8DI-N is engineered with **Turck s signature reliability**, featuring a **wide operating temperature range of -40 C to 70 C**, making it suitable for applications in extreme climates, such as outdoor machinery, refrigerated storage, or high-temperature manufacturing processes. Its **IP67-rated enclosure** provides robust protection against dust, moisture, and contaminants, while the **DIN-rail mounting** allows for easy installation in control panels, junction boxes, or distributed I/O systems. The module s **digital isolation** (up to 500V AC/DC) ensures safety and compatibility with high-voltage systems, reducing the risk of equipment damage or operator hazards. Additionally, the BL67 series supports **Turck s proprietary PROFIBUS DP, PROFINET, EtherCAT, and Modbus TCP communication protocols**, enabling seamless integration with modern industrial networks and SCADA systems for real-time data exchange and process optimization.

For applications requiring enhanced flexibility, the BL67-8DI-N offers **configurable input filtering and debouncing**, reducing false triggers from mechanical vibrations or electrical noise, which is particularly beneficial in high-speed or dynamic environments. The module s **LED status indicators** provide instant visual feedback on input states, power supply status, and communication activity, simplifying troubleshooting and maintenance. Whether deployed in **automotive assembly lines, packaging machinery, water treatment plants, or renewable energy systems**, this digital input module delivers **consistent performance, scalability, and long-term durability**, aligning with Turck s commitment to innovation and industrial-grade reliability. Its modular design also allows for easy expansion or integration with other BL67 series modules, such as analog inputs, relays, or communication devices, creating a cohesive and future-proof I/O infrastructure.

### **Pros and Cons of buying a Turck BL67-8DI-N (BL678DIN, WX100) Industrial Input Module**

#### **Overview**

The **Turck BL67-8DI-N** is a compact, modular digital input module designed for industrial automation applications. It supports **8 digital inputs**, is **IP67-rated** for harsh environments, and integrates with Turck s **WX100** (Wireless Xpress) or **BL67** series for flexible connectivity. Below is a detailed breakdown of its advantages and limitations.

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### **Pros**

1. **Compact and Modular Design**

- The BL67 series is part of Turck s **BL67 modular I/O system**, allowing easy integration into existing control systems. The **8-channel digital input** variant fits into a **1/8 DIN rail slot**, saving space in control cabinets.

- Supports **mixed I/O configurations** (digital inputs/outputs, analog, etc.) in the same system, reducing wiring complexity.

2. **High Reliability and Robustness**

- **IP67-rated**, meaning it is protected against dust, water, and oil, making it suitable for **harsh industrial environments** (e.g., manufacturing, food processing, automotive).

- **Wide operating temperature range** (-40 C to 70 C), ensuring stable performance in extreme conditions.

- **High-voltage protection** (up to **300V DC/AC**) prevents damage from electrical surges.

3. **Flexible Input Options**

- Supports **PNP/NPN** signal types, allowing compatibility with various sensors (e.g., proximity switches, limit switches).

- **Configurable input thresholds** (e.g., 24V DC, 12V DC, or 24V AC) via **Turck s configuration software** (e.g., **Turck ConfigTool**).

- **Isolated inputs** (up to **500V AC/DC**) improve safety and reduce noise interference.

4. **Wireless and Wired Connectivity Options**

- **WX100 Wireless Support**: Can be paired with **Turck s Wireless Xpress (WX100)** for **wireless communication**, reducing cable clutter and improving flexibility in hard-to-wire areas.

- **Standard wired connections** via **M12 or screw terminals**, ensuring reliable data transmission.

- **Ethernet (Industrial Ethernet, PROFINET, EtherNet/IP)** compatibility when used with Turck s **WX100 or BL67 gateway modules**.

5. **Easy Installation and Configuration**

- **Plug-and-play compatibility** with **PLCs (Siemens, Allen-Bradley, Beckhoff, etc.)** and **Turck s own controllers**.

- **Turck ConfigTool** allows **remote configuration**, reducing downtime for setup.

- **LED status indicators** provide quick troubleshooting (e.g., input status, communication errors).

6. **Low Power Consumption**

- Operates efficiently with **low power draw**, making it suitable for **battery-powered or energy-efficient systems**.

7. **Good Documentation and Support**

- Turck provides **detailed technical manuals, datasheets, and software tools** for integration.

- Strong **after-sales support** and **global availability** of spare parts.

8. **Scalability**

- Can be **expanded with additional BL67 modules** (e.g., digital outputs, analog inputs) as system requirements grow.

- Compatible with **Turck s BL67-IO-Link** modules for advanced diagnostics and digital communication.

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### **Cons**

1. **Higher Upfront Cost Compared to Basic Modules**

- While Turck is a **reputable brand**, the **BL67 series is premium-priced** compared to generic or no-name digital input modules.

- **WX100 wireless functionality** adds to the cost, making it less budget-friendly for simple wired applications.

2. **Complexity for Non-Experienced Users**

- **Configuration requires software (Turck ConfigTool)**, which may be unfamiliar to users without automation experience.

- **Wiring and setup** can be more involved than plug-and-play solutions from competitors (e.g., some Siemens or Allen-Bradley modules).

3. **Limited to Turck s Ecosystem**

- While **PROFINET and EtherNet/IP** are supported, **other industrial protocols (e.g., Modbus, CANopen)** require additional gateways, increasing system complexity.

- **Not as widely supported** as some universal PLC brands (e.g., Siemens TIA Portal, Rockwell Studio 5000).

4. **Potential Latency in Wireless (WX100) Mode**

- **Wireless communication (WX100)** introduces **slight latency** compared to wired connections, which may be critical in **high-speed automation** applications.

- **Interference risks** in crowded RF environments (e.g., factories with multiple wireless devices).

5. **Fewer Third-Party Integration Options**

- Unlike **Siemens or Allen-Bradley**, Turck does not have as many **third-party software integrations** (e.g., SCADA systems like Ignition, Wonderware).

- **Custom firmware or advanced diagnostics** may require additional development effort.

6. **Physical Size Constraints**

- While compact, the **1/8 DIN rail slot** may be **too small for some high-density applications** where larger modules are preferred.

- **M12 connectors** are excellent for industrial use but may require **additional crimping tools** if not already available.

7. **Dependence on Turck s Support for Troubleshooting**

- If **Turck s support is slow or unavailable**, diagnosing issues may require more time than with widely supported brands.

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### **Conclusion**

The **Turck BL67-8DI-N** is an **excellent choice** for industries requiring **high reliability, modularity, and wireless flexibility** in harsh environments. Its **IP67 rating, wide temperature range, and easy integration with PLCs** make it ideal for **automation, manufacturing, and process control applications**.

However, if **budget constraints** or **simplicity** are priorities, alternatives like **Siemens LOGO!, Allen-Bradley Micro800, or generic digital input modules** may be more cost-effective. The **WX100 wireless feature** is a strong selling point but adds complexity and cost.

For **users already in the Turck ecosystem** (e.g., using Turck PLCs, WX100, or BL67 systems), this module **seamlessly integrates** and provides **long-term reliability**. For **new installations where compatibility is a concern**, evaluating **universal PLC brands** may be worth considering.

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### **Final Recommendation**

You need a **robust, modular digital input** for **industrial automation** in **harsh environments**.

You are already using **Turck PLCs, WX100 wireless, or BL67 systems** and want **seamless integration**.

**Wireless flexibility (WX100)** is a requirement for your application.

You prioritize **long-term reliability, IP67 protection, and easy scalability**.

You are on a **tight budget** and can use a **simpler, cheaper module**.

Your system **does not require wireless** (wired-only solutions may be cheaper).

You need **broader third-party software support** (e.g., Modbus, SCADA integrations).

You prefer **more widely supported brands** (e.g., Siemens, Allen-Bradley) for easier troubleshooting.

- **Manufacturing plants** (conveyor systems, machine monitoring)

- **Food & beverage processing** (IP67-rated, easy cleaning)

- **Automotive assembly lines** (high reliability, wireless flexibility)

- **Process automation** (chemical, pharmaceutical, where harsh conditions exist)

For most **industrial applications requiring durability and modularity**, the **Turck BL67-8DI-N is a strong, well-supported choice**. However, **evaluate your specific needs** (budget, ecosystem, wireless requirements) before purchasing.

Details:

Is an independent distributor of surplus industrial automation including, new, used, and remained. Some hardware products may contain software and not be legally operated without first purchasing a proper license from the manufacturer of such. Warranty: Guaranteed to be in the condition described and function properly. Condition: Clean used, tested.

Item: Turck:BL67-8DI-N. 60 day return option if item does not function properly. Re-Use, Re-Cycle.

part #: bl678di prices

• $130.00-$208.13

specifications sensoindustria:

• brand: Turck
• mpn: Bl67-8di-n
• part type: Module

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• # reviews: 24934
• city: Knoxville, Iowa
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• started: March 16, 2026
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