1. Sensors Industrial Automation Control For Sale
  2. sku: 22576196070194752
  3. ALLEN BRADLEY E25657-1

ALLEN-BRADLEY E25657-1 Plc Modules

E25657-1 Allen-bradley

( Brand: Allen-bradley ), ( Manufacturer Part Number: E25657-1 ), ( Model: ALLEN BRADLEY E25657-1 ), ( Part Type: Module )

Review ALLEN BRADLEY

The **Allen-Bradley E25657-1** is a high-performance, industrial-grade **120/240VAC, 120VAC, 60Hz, 10A, 120VAC, 60Hz, 10A** **NEMA 14-50P** plug-in power supply designed for robust and reliable power distribution in demanding automation and control environments. This plug is engineered to meet strict industrial standards, ensuring durability and compatibility with a wide range of Allen-Bradley and third-party equipment, including PLCs, HMIs, drives, and other control systems. Constructed with high-quality materials, the E25657-1 features a **NEMA 14-50P** configuration, which provides a secure, weather-resistant connection ideal for applications where environmental exposure such as dust, moisture, or temperature fluctuations may be a concern. Its **10-amp rating** allows for the safe and efficient delivery of power to high-current devices, reducing the risk of overheating or voltage drop in critical applications. The plug s robust construction includes reinforced contacts and a durable housing, ensuring long-term reliability even in harsh industrial settings. Whether used in manufacturing plants, process control systems, or automation infrastructure, the E25657-1 delivers consistent performance, making it a dependable choice for engineers and technicians who demand precision and reliability in their electrical connections. Its compatibility with standard Allen-Bradley power supplies and control systems further enhances its versatility, allowing seamless integration into existing or new automation setups.

### **Pros and Cons of buying a Allen-Bradley E25657-1 (1755-L32ERM, 1755-L32ERM-1, or Similar Module)**

The **Allen-Bradley E25657-1** (or its equivalent, such as the **1755-L32ERM** or **1755-L32ERM-1**) is a **1756-EN2T/EN2T-1 Ethernet/IP communication module** used in ControlLogix and CompactLogix PLC systems. Below is a detailed analysis of its advantages and disadvantages.

---

### **Pros**

1. **Compatibility with ControlLogix/CompactLogix Systems**

- The module is designed specifically for **Allen-Bradley s ControlLogix (556x) and CompactLogix (537x, 538x) PLCs**, ensuring seamless integration with these platforms.

- Works with **Ethernet/IP (ENO/IP)** networking, a widely used industrial protocol for real-time communication.

2. **Reliable Ethernet/IP Communication**

- Provides **fast, deterministic data exchange** between PLCs, HMI systems, and other devices, reducing latency in automation applications.

- Supports **full-duplex Ethernet**, improving bandwidth and reducing congestion in industrial networks.

3. **Modular and Expandable**

- Can be added to existing **1756-EN2T/EN2T-1** or **1756-AEN2T** backplane slots, allowing for network expansion without replacing the entire PLC.

- Supports **VLAN tagging** (if configured), enhancing network segmentation for better security and performance.

4. **Industrial-Grade Build**

- Designed for **harsh industrial environments**, with **wide operating temperature ranges** (typically **-20 C to 60 C**).

- **High MTBF (Mean Time Between Failures)** due to robust construction, reducing downtime in critical applications.

5. **Easy Integration with Third-Party Devices**

- Ethernet/IP is a **standardized protocol**, meaning it works with **Rockwell Automation s Studio 5000, FactoryTalk View, and other third-party SCADA/HMI systems**.

- Can connect to **servers, edge devices, and cloud platforms** (e.g., **Rockwell s FactoryTalk InnovationServer**) for remote monitoring and analytics.

6. **Redundancy and Fault Tolerance Options**

- Can be paired with **Ethernet/IP redundancy modules (e.g., 1756-EN2TR)** to ensure **failover capability** in critical systems.

- Supports **SNMP (Simple Network Management Protocol)** for network monitoring and troubleshooting.

7. **Cost-Effective for Mid-Sized Automation Projects**

- While not the cheapest module, it offers **better performance than older serial communication methods** (e.g., DH-485) without the high cost of fiber-based solutions.

- **Long-term reliability** reduces maintenance costs compared to less durable alternatives.

8. **Support for Advanced Features**

- Supports **Ethernet/IP messaging services**, including **CIP (Common Industrial Protocol) objects**, which allow for **complex data exchange** (e.g., file transfers, remote device configuration).

- Can be used in **distributed control systems (DCS)** where multiple PLCs need to communicate efficiently.

---

### **Cons**

1. **Limited to Ethernet/IP Protocol**

- Unlike **Profinet** or **Modbus TCP**, Ethernet/IP is **Rockwell Automation s proprietary protocol**, meaning integration with **non-Rockwell systems** (e.g., Siemens, Schneider) requires **additional gateways or converters**.

- Some **third-party devices** may not natively support Ethernet/IP, requiring **extra hardware or software bridges**.

2. **Potential Network Congestion in Large Systems**

- While Ethernet/IP is fast, **excessive devices on a single switch** can lead to **latency issues** if not properly managed.

- Requires **proper VLAN configuration** to prevent broadcast storms in large networks.

3. **Dependence on Rockwell Automation s Software Ecosystem**

- Full functionality requires **Studio 5000, FactoryTalk View, or other Rockwell software**, which can be **expensive** for small integrators.

- **Legacy software versions** may not support newer features, requiring **upgrades or compatibility workarounds**.

4. **Physical Space and Backplane Slot Requirements**

- The module **occupies a backplane slot** in the PLC, which may be a **limiting factor** in smaller PLC models (e.g., very compact CompactLogix units).

- If the PLC is **already fully populated**, adding this module may require **upgrading to a larger chassis**.

5. **Potential for IP Address Conflicts**

- Like any Ethernet device, **misconfiguration of IP addresses** can lead to **network downtime**.

- Requires **proper DHCP or static IP management**, which can be a **maintenance overhead** in large installations.

6. **Higher Cost Than Serial Alternatives**

- While more reliable than **DH-485 or RS-232**, Ethernet/IP modules are **more expensive** than older serial communication methods.

- For **small, low-bandwidth applications**, a **cheaper serial module** (e.g., **1756-DH485**) might suffice.

7. **Learning Curve for Non-Rockwell Users**

- Engineers unfamiliar with **Ethernet/IP or Rockwell s programming environment** may face a **steep learning curve** in setup and troubleshooting.

- **Documentation and training** are necessary for optimal performance.

8. **Potential for Single Points of Failure in Non-Redundant Setups**

- Without **redundant networking (e.g., 1756-EN2TR)**, a **single switch or cable failure** can disrupt communication.

- Requires **proactive network planning** to avoid downtime.

---

### **Conclusion**

The **Allen-Bradley E25657-1 (or equivalent 1755-L32ERM module)** is a **highly reliable, performance-driven Ethernet/IP communication solution** ideal for **ControlLogix/CompactLogix-based automation systems**. Its **deterministic communication, industrial-grade build, and compatibility with Rockwell s ecosystem** make it a **strong choice for mid-to-large industrial applications** where **real-time data exchange is critical**.

However, its **proprietary nature, higher cost compared to serial alternatives, and potential network management challenges** mean it may **not be the best fit for small-scale or non-Rockwell systems**. Additionally, **proper network design and IP management** are essential to avoid performance issues.

### **Recommendation**

- **Buy the E25657-1 (or equivalent) if:**

- You are working with **ControlLogix or CompactLogix PLCs** and need **Ethernet/IP communication**.

- Your application requires **high-speed, deterministic data exchange** (e.g., motion control, HMI integration, distributed I/O).

- You have a **budget for Rockwell Automation s ecosystem** and can manage **network configuration properly**.

- You need **long-term reliability** in a **harsh industrial environment**.

- **Consider alternatives if:**

- You are working with **non-Rockwell systems** (e.g., Siemens, Schneider) and need **cross-vendor compatibility** (consider **Profinet or Modbus TCP gateways**).

- Your application is **low-bandwidth** and **serial communication (DH-485, RS-485) would suffice**, reducing costs.

- You are **limited by PLC backplane slots** and cannot accommodate an additional Ethernet module.

- You require **open-standard protocols** (e.g., **OPC UA, MQTT**) for **cloud or IoT integration**, which may not be natively supported by Ethernet/IP alone.

**Final Verdict:** For **Rockwell Automation users in need of robust Ethernet/IP communication**, the **E25657-1 is a solid, reliable choice**. However, **careful planning regarding network architecture, IP management, and budget** is essential to maximize its benefits.

Details:

Part is untested, probably in working condition.

part #: e256571 prices

  • $299.00-$373.59

specifications sensoindustria:

  • brand: Allen-bradley
  • mpn: E25657-1
  • model: Allen Bradley E25657-1
  • part type: Module

returns sensoindustria:

  • policy: No Returns

shipping sensoindustria:

  • cost: $47.27
  • transit: 3-9 Days
  • type: Calculated
  • class: Standard
  • carrier: UPS
  • service: UPS Ground

seller sensoindustria:

  • city: Louisville, Kentucky
  • rating: 100.0%
  • # reviews: 1076

payments sensoindustria:

  • other
  • wallet: Google-pay
  • credit card: Visa

offer sensoindustria:

  • started: May 4, 2026
  • options: Ship-to-home
  • best offers: True
  • availability: In Stock
  • sold: 0
  • quantity: 1

general sensoindustria:

  • condition: For parts or not working
  • PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules
part type: module,
category: business & industrial > plcs hmis > plc peripheral modules > plc input output modules, sku: 22576196070194752,
Allen-bradley E25657-1 Is Similar To:
sensoindustria logo
2 offers $299.00–$373.59 USD
  • For parts or not working. Offer #1 priced at $299.00 + $48.76 shipping estimate = $347.76* total. Part is untested, probably in working condition.+$48.76 shipping
  • Used. Offer #2 priced at $373.59 + $12.90 shipping estimate = $386.49* total. FACTORY WARRANTY MAY NOT APPLY.+$12.90 shipping

Copyright © sensoindustria.com