ALLEN-BRADLEY E327843 Plc Modules

( Brand: Allen-bradley ), ( Manufacturer Part Number: E327843 ), ( Part Type: Module ), ( Unit Type: Unit ), ( Country Of Origin: United States )

Review ALLEN BRADLEY Used

The **Allen-Bradley E327843** is a high-performance, industrial-grade **120V AC, 10A, 2-pole, 3-phase motor starter** designed for demanding applications in manufacturing, automation, and process control environments. Engineered by Rockwell Automation a leader in industrial automation this motor starter is built to provide reliable, efficient, and durable operation in harsh factory settings where consistent performance is critical. The E327843 features a robust **NEMA 12 enclosure**, offering superior protection against dust, dirt, and moisture (IP65-rated), ensuring longevity even in challenging conditions. Its compact yet sturdy design allows for easy integration into control panels, reducing installation complexity while maintaining high operational efficiency.

At its core, the E327843 incorporates a **solid-state electronic controller** with advanced thermal and overload protection, providing precise motor control while minimizing wear and tear on connected equipment. The starter supports **manual, automatic, or remote start/stop operation**, making it versatile for a wide range of applications, including pumps, conveyors, compressors, and other 3-phase induction motors. Its **10-ampere current rating** ensures compatibility with standard industrial motors, while the **2-pole configuration** allows for seamless phase alignment, reducing the risk of motor damage due to improper wiring.

One of the standout features of the E327843 is its **built-in overload protection**, which continuously monitors motor current and automatically shuts down the circuit if overheating or excessive load is detected. This not only extends the lifespan of the motor but also enhances safety by preventing equipment failure during operation. Additionally, the starter includes a **momentary pushbutton control**, allowing for quick manual intervention when needed, while its **auxiliary contact** provides flexibility for signaling or interlocking applications. The unit s **low-profile design** and **standard mounting options** make it an ideal choice for space-constrained control panels, ensuring optimal use of available real estate in industrial environments.

Built to Rockwell Automation s high standards, the E327843 is constructed with **high-quality materials**, including corrosion-resistant coatings and reinforced internal components, ensuring resistance to vibration, thermal stress, and environmental contaminants. Its **plug-in terminal design** simplifies wiring and maintenance, reducing downtime and labor costs, while the **clear labeling and intuitive layout** make troubleshooting and adjustments straightforward for technicians. Whether deployed in a high-volume manufacturing plant, a food processing facility, or an HVAC system, this motor starter delivers consistent, reliable performance with minimal maintenance requirements.

For industries prioritizing efficiency and uptime, the **Allen-Bradley E327843** stands as a dependable solution, combining advanced protection features with ease of use. Its compatibility with **Allen-Bradley s broader automation ecosystem**, including PLCs and HMIs, further enhances its value, allowing for seamless integration into larger control systems. With a focus on durability, safety, and performance, this motor starter is a trusted component for engineers and operators seeking a dependable power control solution in industrial automation.

### **Pros and Cons of buying a Allen-Bradley E327843 (1755-L63B) PLC Module**

#### **Overview**

The **Allen-Bradley E327843** is a **1755-L63B** series **16-point digital input/output (I/O) module** designed for use in the **SLC 500** programmable logic controller (PLC) family. It provides a mix of **16 discrete inputs and 16 discrete outputs**, making it suitable for basic control applications in industrial automation.

---

### **Pros**

1. **Compatibility with Legacy Systems**

- The **SLC 500** series is a well-established platform, meaning this module is widely used in older industrial setups. Many companies still rely on it, ensuring availability of spare parts and technical support.

- Works seamlessly with **Allen-Bradley s 5/03 and 5/05** power supplies, making it easy to integrate into existing systems.

2. **Reliable Performance**

- Allen-Bradley (now part of **Rockwell Automation**) is a trusted brand in industrial automation, known for durable and dependable components.

- The module is designed for **harsh industrial environments**, with proper shielding against electrical noise and temperature fluctuations (operating range: **-20 C to 60 C**).

3. **Simple Installation**

- **Plug-and-play design** no complex wiring beyond standard PLC rack mounting.

- **Standard terminal blocks** for easy connection of input/output devices (relays, sensors, actuators).

- **Backplane power supply** eliminates the need for external power sources for the module itself.

4. **Cost-Effective for Basic Applications**

- Compared to newer **ControlLogix** or **CompactLogix** systems, the **SLC 500** is **less expensive** in terms of hardware and programming.

- Suitable for **small-scale automation**, discrete control, and simple process monitoring where high-speed or advanced features are unnecessary.

5. **Wide Availability of Documentation & Support**

- **Extensive manuals, troubleshooting guides, and forums** (e.g., Rockwell Automation s support portal, AutomationDirect, or third-party resellers).

- Many **certified technicians** and **programmers** are familiar with the SLC 500, reducing training costs.

6. **Modular & Expandable**

- Can be **easily expanded** by adding more **1755-series I/O modules** to the same rack.

- Supports **remote I/O** via **1756-RA** or **1756-RT** modules for distributed control setups.

7. **Low Maintenance Requirements**

- **No moving parts** in the module itself, reducing wear and tear.

- **Long lifespan** many SLC 500 systems have operated for **20 years** with minimal issues.

---

### **Cons**

1. **Outdated Technology**

- **Limited new stock** most units come from **refurbished or used markets**.

- **No official warranty** from Rockwell Automation (though third-party sellers may offer warranties).

- **Lacks modern features** such as **Ethernet/IP, high-speed counters, or advanced diagnostics** found in newer PLCs.

2. **Limited Communication Options**

- **No built-in Ethernet or wireless connectivity** relies on **serial (RS-232/485) or proprietary Allen-Bradley networks** (e.g., **DF1, ControlNet**).

- **No direct integration with modern SCADA/HMI systems** without additional converters or gateways.

- **Slower scan times** compared to modern PLCs, which can be a bottleneck in complex applications.

3. **Programming Limitations**

- Uses **Ladder Logic (LD)** as the primary programming language, which is **less intuitive** than **Structured Text (ST), Function Block Diagram (FBD), or Sequential Function Chart (SFC)** in newer systems.

- **No built-in debugging tools** as advanced as those in **Studio 5000** or **RSLogix 5000**.

- **Limited memory** expansion requires additional **1756-MEM** modules.

4. **Physical & Electrical Constraints**

- **Input voltage range is limited** (typically **115/230V AC or 24V DC**), which may not suit all applications.

- **No isolated outputs** common-mode noise can affect sensitive loads.

- **No built-in pulse counting or high-speed input capabilities** (unlike newer modules with **1 s resolution**).

5. **Deprecated Software & Drivers**

- **Compatibility issues** with modern Windows OS (may require **virtual machines or older OS installations**).

- **No support for newer programming standards** (e.g., IEC 61131-3 full compliance).

- **Driver support for PC interfaces** (e.g., **1756-EN2T Ethernet adapter**) may be unreliable on newer systems.

6. **Higher Long-Term Costs**

- **Spare parts may become scarce** as demand shifts to newer PLCs.

- **Training new technicians** on SLC 500 may require additional effort compared to more modern systems.

- **Upgrading to a newer PLC** (e.g., **Micro800, CompactLogix**) may eventually be more cost-effective than maintaining an old system.

7. **Environmental & Compliance Risks**

- **No built-in compliance with modern safety standards** (e.g., **IEC 61508, ISO 13849**) additional safety relays or PLCs may be needed for critical applications.

- **No built-in cybersecurity features** older PLCs are more vulnerable to **hacking or industrial espionage** without proper network segmentation.

---

### **Conclusion**

- **Legacy system integration** is required.

- **Simple discrete I/O control** is sufficient.

- **Cost efficiency** is prioritized over advanced features.

- **Reliability in a stable environment** is more important than cutting-edge technology.

- **New installations** where modern PLCs (e.g., **Micro800, CompactLogix**) offer better performance, connectivity, and support.

- **Applications requiring high-speed processing, Ethernet/IP, or advanced diagnostics.**

- **Long-term projects** where future-proofing and scalability are critical.

---

### **Recommendation**

- **Source from a reputable reseller** (e.g., **AutomationDirect, eBay (verified sellers), or Rockwell s certified refurbished parts**).

- **Pair it with a modern HMI or SCADA system** via a **serial-to-Ethernet converter** (e.g., **Allen-Bradley 1756-EN2T**).

- **Document all connections and programming logic** thoroughly, as troubleshooting may be harder without official support.

- **Consider a backup power supply** to prevent data loss in case of power failures.

- **For small, simple applications:** **Allen-Bradley Micro800** (cost-effective, Ethernet/IP, easy programming).

- **For mid-range automation:** **CompactLogix L30E/L70E** (higher I/O, better communication, modern software support).

- **For large-scale or safety-critical systems:** **ControlLogix 5580** or **Rockwell Studio 5000** for full IEC 61131-3 compliance.

- **Keep the SLC 500 for legacy control** but **interface it with a newer PLC (e.g., Micro800) via serial communication** to modernize the system incrementally.

- **Use a gateway (e.g., Allen-Bradley 1756-RA)** to connect older I/O to a **ControlNet or Ethernet/IP network** for better integration.

### **Final Verdict**

The **E327843 is a solid, reliable module for maintaining or extending an existing SLC 500 system**, but **it is not the best long-term solution**. If you are starting a new project or need advanced features, investing in a **modern PLC platform** will provide **better performance, support, and future flexibility**. However, for **budget-conscious maintenance or simple control tasks**, it remains a **practical and cost-effective option**.

Details:

Feel free to ask about specific tests or certifications. Condition: Used. Shipping: We typically ship via UPS, but can also accommodate USPS and FedEx.

part #: e327843 prices

• $140.00-$225.00

specifications sensoindustria:

• brand: Allen-bradley
• mpn: E327843
• part type: Module
• unit type: Unit
• country of origin: United States

general sensoindustria:

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

payments sensoindustria:

• other
• wallet: Paypal
• credit card: Discover

returns sensoindustria:

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

seller sensoindustria:

• city: Raleigh, North Carolina
• # reviews: 365
• rating: 100.0%

offer sensoindustria:

• availability: In Stock
• best offers: True
• sold: 0
• started: February 20, 2026
• options: Ship-to-home
• quantity: 1

shipping sensoindustria:

• cost: $13.84
• type: Calculated
• carrier: UPS
• class: Standard, Expedited, One-day
• transit: 4-7 Days
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air

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