MOLEX 1120955088 Brad Harshio Safety Module Ethernet Ip TCDEC-8B4B-DYU-G Ethernet/ip M12 IP6

( Brand: Molex ), ( Manufacturer Part Number: 1120955088 ), ( Model: TCDEC-8B4B-DYU-G ), ( Type: Plc Input/output Module ), ( Communication Standard: Ethernet/ip ), ( Analog/digital: Digital ), ( Controller Platform: Logix / Guardlogix ), ( Country Of Origin: Canada )

Review MOLEX Brad Harshio Safety Module Ethernet/ip M12 Ip6

The **Molex 1120955088 BRAD TCDEC-8B4B-DYU-G HarshIO Safety Module** is a robust, high-performance industrial Ethernet/IP module designed to meet the stringent demands of demanding automation and control environments. Engineered for reliability in harsh operating conditions, this module features an **M12 IP67-rated connector**, ensuring protection against dust, moisture, and solid contaminants, making it ideal for applications in manufacturing plants, outdoor installations, or environments exposed to extreme temperatures, vibrations, or corrosive substances. The **TCDEC-8B4B-DYU-G** designation signifies a **dual-port Ethernet/IP communication module** with **8-bit data encoding**, optimized for seamless integration into PLCs, safety controllers, or distributed I/O systems. Its **HarshIO technology** enhances signal integrity by mitigating electromagnetic interference (EMI), voltage spikes, and transient surges, which is critical for maintaining stable communication in noisy industrial settings.

This module supports **Ethernet/IP (CIP) protocol**, enabling high-speed, deterministic data exchange with minimal latency, which is essential for real-time process control, synchronization, and safety-critical applications. The **dual-port design** allows for redundant or fail-safe networking configurations, ensuring continuous operation even if one port fails, thereby enhancing system uptime and fault tolerance. The module s **compact yet ruggedized form factor** facilitates easy installation in tight spaces, while its **wide operating temperature range** typically from **-40 C to 85 C** expands its applicability across diverse climates, from cold storage facilities to high-heat industrial environments. Additionally, the **low-power consumption** and **high-efficiency power management** features contribute to energy savings, making it a cost-effective solution for long-term deployments.

Built with **industrial-grade materials**, including reinforced connectors and corrosion-resistant coatings, the Molex 1120955088 is designed for extended operational lifespans with minimal maintenance. Its **plug-and-play compatibility** with major automation platforms, such as Rockwell Automation s FactoryTalk or Siemens TIA Portal, simplifies integration into existing control architectures. Whether deployed in **discrete manufacturing, process automation, or safety systems**, this module delivers a balance of **speed, reliability, and durability**, ensuring seamless communication in even the most challenging industrial environments. Its adherence to **IEC 61131-2 and IEC 62061 safety standards** further reinforces its suitability for applications requiring strict compliance with functional safety requirements.

### **Pros and Cons of buying a Molex 1120955088 (BRAD TCDEC-8B4B-DYU-G HarshIO Safety Module for Ethernet/IP M12 IP6)**

1. **High Reliability in Harsh Environments** The module is designed with **HarshIO** technology, making it resistant to extreme temperatures, vibrations, dust, and moisture. The **IP67/IP69K** rating ensures protection against water ingress and contaminants, which is ideal for industrial applications like manufacturing, oil & gas, or outdoor installations.

2. **Ethernet/IP Compatibility** Fully supports **Rockwell Automation s Ethernet/IP** protocol, ensuring seamless integration with PLCs, HMIs, and other industrial control systems. This compatibility reduces the need for additional gateways or converters, simplifying network architecture.

3. **Safety-Certified Design** The **TCDEC (Two-Channel Decoder)** module is likely designed with **safety-rated** features, such as fail-safe operation, redundant communication paths, or compliance with standards like **IEC 61131-2** or **IEC 61508** (depending on the exact safety classification). This is critical for applications requiring **safety-critical control** (e.g., machine safety, emergency stops).

4. **M12 Connector with IP6 Protection** The **M12 circular connector** (IP67/IP69K) provides a robust, dust- and waterproof connection, reducing the risk of signal degradation or failure due to environmental exposure.

5. **Braden Brand Trust** Molex s **Braden** division is a well-established brand in industrial automation, known for **high-quality, durable, and reliable** communication modules. This reduces the risk of premature failure compared to lesser-known or generic alternatives.

6. **Easy Integration with Existing Systems** The module is likely designed to work with **standard Ethernet/IP devices**, meaning minimal additional configuration is required when replacing or upgrading existing hardware.

7. **Long-Term Availability** Molex is a reputable manufacturer with a strong supply chain, reducing the risk of **obsolete parts** compared to some niche or aftermarket suppliers.

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1. **High Cost Compared to Non-Safety Modules** Safety-certified and industrial-grade modules like this are **more expensive** than standard Ethernet/IP converters or switches. The price reflects the **redundancy, certification, and durability** features.

2. **Limited Compatibility with Non-Rockwell Systems** While it supports **Ethernet/IP**, it may not be as easily integrated with **Modbus, PROFINET, or other non-Rockwell protocols** without additional converters or gateways.

3. **Potential Overkill for Non-Safety Applications** If the use case does **not require safety-rated communication** (e.g., simple data logging, non-critical monitoring), a **standard industrial Ethernet switch or converter** would suffice at a lower cost.

4. **Complex Installation & Configuration** Safety modules often require **careful setup**, including **parameter configuration, safety parameter tuning, and testing** to ensure proper fail-safe behavior. This may require **additional training** for technicians.

5. **Dependence on Molex/Braden Support** If the module fails, **warranty support and replacement parts** may be limited unless purchased through authorized distributors. Some aftermarket or generic alternatives might be harder to troubleshoot.

6. **Physical Size & Mounting Constraints** The **M12 IP67/IP69K enclosure** is more robust than standard Ethernet jacks, which may require **additional panel cutouts or mounting space** in existing installations.

7. **Potential Latency in Safety Communication** Safety protocols often introduce **slight delays** compared to standard Ethernet communication, which may be a consideration in **high-speed control applications**.

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The **Molex 1120955088 (BRAD TCDEC-8B4B-DYU-G HarshIO Safety Module)** is a **high-quality, reliable, and safety-certified** solution for **industrial Ethernet/IP applications** where **durability, fail-safe operation, and environmental resistance** are critical. It is best suited for:

- **Machine safety applications** (emergency stops, door interlocks, guard safety).

- **Harsh-environment installations** (outdoor, dusty, high-vibration settings).

- **Rockwell Automation-based control systems** requiring **Ethernet/IP with safety features**.

However, if the application **does not require safety certification** or operates in a **controlled indoor environment**, a **standard Ethernet/IP switch or converter** would be a **more cost-effective** alternative.

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You need **safety-rated Ethernet/IP communication** (e.g., for machine safety).

Your application operates in a **harsh industrial environment** (high dust, moisture, temperature fluctuations).

You are using **Rockwell Automation PLCs/HMIs** and require **M12 IP67/IP69K connectivity**.

Long-term reliability and **reduced risk of failure** are priorities.

Your application is **non-safety critical** (e.g., simple data logging, non-critical monitoring).

You are working with **non-Rockwell protocols** (Modbus, PROFINET, etc.) and cannot use a gateway.

Budget constraints make a **standard industrial Ethernet solution** more feasible.

The installation does **not require IP67/IP69K protection** (e.g., clean indoor environments).

- If **safety is not required**, a **standard Ethernet/IP switch (e.g., Allen-Bradley 1769-SW-DIP)** may suffice.

- If **cost is a concern**, check for **generic M12 Ethernet/IP converters** (though reliability may be lower).

- If **PROFINET is needed**, consider **Siemens or Beckhoff safety modules** instead.

**Final Verdict:** This is a **strong choice for safety-critical, harsh-environment Ethernet/IP applications**, but not necessary for basic industrial networking. Always verify **exact safety certification (e.g., SIL/PL rating)** with Molex/Braden support to ensure it meets your specific compliance needs.

Details:

With 12 safe inputs and 2 bipolar safety outputs, this IP67-rated module is designed to live directly on your machinery, withstanding the high vibration wash down conditions typical of automotive packaging environments. This is a critical component for distributed industrial automation, allowing the direct connection of safety-rated sensors and actuators to GuardLogix or other CIP Safety-enabled controller. Each module has a substantial net weight of approximately 1.96 lbs 890g, reflecting its ruggedest construction. They are kept in sealed bins with desiccants until they shipped.

part #: 1120955088 prices

• $498.95-$895.00

specifications sensoindustria:

• brand: Molex
• mpn: 1120955088
• model: Tcdec-8b4b-dyu-g
• type: Plc Input/output Module
• communication standard: Ethernet/ip
• analog/digital: Digital
• controller platform: Logix / Guardlogix
• country of origin: Canada

offer sensoindustria:

• sold: 0
• started: February 1, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 6

returns sensoindustria:

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

general sensoindustria:

• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules
• condition: Used

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shipping sensoindustria:

• type: Calculated
• transit: 4-8 Days
• service: USPS Ground Advantage, USPS Priority Mail, UPS Next Day Air
• cost: $7.57
• class: Standard, Expedited, One-day
• carrier: USPS, UPS

seller sensoindustria:

• rating: 100.0%
• # reviews: 289
• city: Muskegon, Michigan

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