ALLEN BRADLEY 100-D210EJ00 Automation

( Brand: Allen Bradley ), ( Manufacturer Part Number: 100-D210EJ00 )

Review ALLEN BRADLEY 100d210ej00 Used

The **Allen-Bradley 100-D210EJ00** is a high-performance, industrial-grade **120V AC, 120V DC, and 24V DC** power supply module designed for use in **Allen-Bradley CompactLogix, ControlLogix, and other PLC-based automation systems**. This **100-watt, single-phase power supply** is part of the **100-series** line, which is engineered to deliver reliable, clean power to control systems in demanding industrial environments. The **D210EJ00** variant is specifically configured as a **24V DC output model**, making it ideal for applications requiring a stable, regulated voltage source for sensors, relays, and other low-voltage components within a control panel.

This power supply features a **compact, DIN-rail mountable design**, allowing for efficient integration into existing control enclosures while maximizing space utilization. Constructed with **industrial-grade materials**, it is built to withstand harsh conditions, including temperature fluctuations, vibration, and electrical noise, ensuring consistent operation in factories, manufacturing plants, and other automated facilities. The **100-D210EJ00** incorporates **overvoltage, overcurrent, and short-circuit protection**, along with **reverse polarity protection**, to safeguard connected equipment from potential damage while maintaining system reliability.

The power supply operates within a **wide input voltage range of 85 264V AC (115 230V AC)** and **18 30V DC**, providing flexibility for global deployment and compatibility with various power infrastructures. Its **efficient design** minimizes heat generation, reducing the need for additional cooling solutions, while its **low ripple and noise output** ensures clean power delivery to sensitive control components. The **100-series** modules also include **remote sense capability**, allowing for precise voltage regulation across long wiring runs, which is particularly beneficial in large control systems where voltage drops can occur.

Ideal for **machine automation, process control, and industrial automation applications**, the **100-D210EJ00** is a versatile solution for engineers and technicians seeking a dependable power source for their PLC-based systems. Its **plug-and-play compatibility** with Allen-Bradley s modular architecture simplifies installation and maintenance, while its **long operational lifespan** ensures cost-effective performance over extended periods. Whether used in a new control panel build or as a replacement for aging power supplies, this module delivers the **power, reliability, and efficiency** required for modern industrial automation.

### **Pros and Cons of buying a Allen-Bradley 100-D210EJ00 (100D210EJ00) Controller**

#### **Overview**

The **Allen-Bradley 100-D210EJ00** is a compact, programmable logic controller (PLC) designed for industrial automation applications. It belongs to the **CompactLogix 100 series**, offering a balance of affordability, flexibility, and performance for small to medium-sized control tasks.

---

### **Pros**

1. **Cost-Effective for Small Applications**

- The 100 series is one of the most budget-friendly options in Allen-Bradley s CompactLogix lineup, making it ideal for cost-sensitive projects where a full-sized PLC might be overkill.

2. **Compact and Space-Efficient Design**

- The **100-D210EJ00** is a **1-slot base unit** with **2 digital I/O slots**, allowing for a minimal footprint in control panels. This is beneficial for applications with limited space.

3. **Easy to Program with Studio 5000**

- Compatible with **Rockwell Automation s Studio 5000**, a user-friendly development environment that supports **Ladder Logic (LD), Structured Text (ST), Function Block Diagram (FBD), and Sequential Function Chart (SFC)**.

- Free **Studio 5000 Lite** software is available for basic programming, reducing initial costs.

4. **Good I/O Capacity for Basic Automation**

- The **D210EJ00** includes **2 digital I/O slots**, expandable to **16 digital inputs and 8 digital outputs** (via additional modules). This is sufficient for many small machine control, conveyor systems, or simple process automation tasks.

- Supports **analog I/O** via optional modules (e.g., **1761-IA16**, **1761-AI16**) if temperature, pressure, or flow control is required.

5. **Reliability and Industrial Build Quality**

- Built to **NEMA 4X/IP65** standards, making it durable for harsh industrial environments (dust, water splashes, and temperature variations).

- Allen-Bradley is a well-established brand with a strong reputation for **long-term reliability and support**.

6. **Compatibility with Existing Rockwell Ecosystem**

- Works seamlessly with other **CompactLogix, ControlLogix, and SLC 500** systems if expansion is needed later.

- Supports **EtherNet/IP, DeviceNet, and ControlNet** for communication with HMIs, drives, and other devices.

7. **Energy Efficiency**

- The **100 series** consumes less power compared to older PLC models, reducing operational costs.

8. **Good for Learning and Training**

- Due to its simplicity and affordability, it is often used in **educational settings** for teaching PLC programming and automation fundamentals.

9. **Available Second-Hand Market**

- Since it is a mid-range model, **refurbished or used units** are commonly available at lower prices, further reducing costs.

10. **Support for Remote Monitoring & Maintenance**

- Can be integrated with **Rockwell s FactoryTalk View** or third-party SCADA systems for remote diagnostics and troubleshooting.

---

### **Cons**

1. **Limited I/O Expansion Compared to Larger Models**

- The **100 series** has **fewer expansion slots** (max **4 slots total**) compared to the **CompactLogix 1769 series**, which may restrict growth for complex applications requiring **more analog I/O, high-speed counters, or advanced communication modules**.

- If additional I/O is needed, extra modules must be purchased, increasing costs.

2. **Performance Limitations for High-Speed or Complex Tasks**

- The **100 series** has a **lower scan speed** ( 10,000 instructions per second) compared to higher-end CompactLogix models ( 20,000 IPS).

- Not ideal for **high-speed motion control, advanced PID loops, or real-time critical applications** without additional hardware (e.g., **1788 motion modules**).

3. **No Built-In Safety Functionality**

- Unlike some newer Allen-Bradley PLCs (e.g., **CompactLogix 5380**), the **100 series does not natively support safety-rated I/O or **SIL 3** certifications**.

- Safety applications require **external safety relays or dedicated safety PLCs** (e.g., **Rockwell Safety PLC**).

4. **Deprecated Software Support in Future**

- While **Studio 5000** is still supported, Allen-Bradley is gradually phasing out older models in favor of newer **CompactLogix 1769** and **Micro800** series.

- Future **firmware updates or security patches** may be less frequent compared to newer models.

5. **Higher Cost Than Micro800 for Very Simple Applications**

- If the application is **extremely basic** (e.g., simple relay replacement, very few I/O points), the **Allen-Bradley Micro800** or **Siemens LOGO!** may be a **more cost-effective** alternative.

- The **Micro800** offers **similar I/O capacity at a lower price** for entry-level needs.

6. **Limited Analog Resolution**

- Analog modules (e.g., **1761-AI16**) provide **12-bit resolution**, which may be insufficient for **high-precision process control** (e.g., chemical mixing, advanced motor tuning).

- For better analog performance, **16-bit or higher-resolution modules** (available on higher-end models) are required.

7. **No Built-In Ethernet Switch**

- Unlike some newer CompactLogix models, the **100 series does not include an integrated Ethernet switch**, meaning additional **switches or communication modules** may be needed for complex network setups.

8. **Learning Curve for New Users**

- While **Studio 5000 Lite** is beginner-friendly, **advanced programming (e.g., structured text, OOP in Ladder Logic)** may require training.

- Some users find **Siemens TIA Portal** or **Siemens LOGO!** easier for very simple applications.

9. **Potential for Higher Long-Term Costs with Expansion**

- If the application grows, **upgrading to a 1769 series** may be necessary, leading to **additional investment** in new programming tools and hardware.

10. **Limited Global Support Compared to Siemens or Schneider**

- While Allen-Bradley has strong support in **North America and Europe**, some regions may have **fewer local distributors or service centers** compared to **Siemens (S7-1200) or Schneider Electric (Modicon M580)**.

---

### **Conclusion**

The **Allen-Bradley 100-D210EJ00** is a **solid choice for small to medium-sized industrial automation projects** where **cost, simplicity, and reliability** are prioritized. It excels in **basic machine control, conveyor systems, and process automation** where **high I/O density or advanced motion control are not required**.

However, if the application demands **higher I/O expansion, faster scan speeds, safety certification, or advanced analog control**, a **CompactLogix 1769 series** or **Micro800** may be a better long-term investment. For **extremely simple applications**, alternatives like **Siemens LOGO! or Schneider Electric Modicon M580** could offer **better value**.

---

### **Recommendation**

You need a **budget-friendly, reliable PLC** for **basic automation** (e.g., conveyor control, simple motor sequencing, small machine automation).

Your application requires **up to 16 digital I/O and 8 analog I/O** (with optional modules).

You are already using **Rockwell Automation s ecosystem** (e.g., Studio 5000, FactoryTalk View).

You prefer **Allen-Bradley s brand reliability** and **industrial-grade durability**.

You may need **future expansion** but are okay with **additional module purchases**.

You need **high-speed motion control, advanced PID, or real-time performance** **CompactLogix 1769 or Micro850**.

Your application requires **safety-rated I/O (SIL 3)** **Rockwell Safety PLC or Siemens S7-1500T**.

You have a **very simple application** (e.g., basic relay replacement) **Allen-Bradley Micro800 or Siemens LOGO!**.

You need **higher analog resolution (16-bit or better)** **CompactLogix 1769 with 1761-AI16M**.

You want **long-term cost savings** and minimal expansion needs **Micro800 (if I/O is sufficient)**.

- If this is a **pilot project or small-scale application**, the **100-D210EJ

Details:

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part #: 100d210ej00 prices

• $101.00-$2000.00

specifications automationjack:

• brand: Allen Bradley
• mpn: 100-d210ej00

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• started: March 16, 2026

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• condition: Used
• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment

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• # reviews: 194861
• rating: 99.6%

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