ACROMAG IP440-1E Isolated Digital Module

( Brand: Acromag ), ( Manufacturer Part Number: IP440-1E ), ( Part Type: Digital Module ), ( Country Of Origin: United States )

Review ACROMAG Isolated Digital Input Module

The **Acromag IP440-1E** is a robust, high-performance isolated digital input/output (I/O) module designed for demanding industrial automation and control applications where reliability, precision, and environmental resilience are paramount. Part of Acromag s proven IP400 series, this module delivers a compact yet versatile solution for interfacing with a wide range of discrete signals in harsh operating conditions. With a rugged IP67-rated enclosure, the IP440-1E is engineered to withstand extreme temperatures, high levels of vibration, and exposure to dust, moisture, and contaminants, making it ideal for use in manufacturing plants, oil and gas facilities, transportation systems, and other environments where equipment must operate continuously under challenging circumstances.

Featuring a single-channel isolated digital input and output configuration, the IP440-1E provides a flexible and scalable foundation for control systems requiring precise signal conditioning and isolation. The isolated input channel accepts standard TTL, NPN, or PNP signals with configurable thresholds, ensuring compatibility with a variety of sensors, switches, and relays while maintaining galvanic isolation to protect against voltage spikes, ground loops, and electromagnetic interference (EMI). The isolated output channel delivers a robust 24V DC output with a maximum current of 0.5A, capable of driving relays, indicators, or other low-power actuators with consistent performance. Isolation voltages of up to 500V DC between input/output and chassis ground further enhance safety and system integrity, reducing the risk of equipment damage or data corruption.

The IP440-1E is designed with ease of integration in mind, offering seamless compatibility with major industrial communication protocols such as Modbus RTU, Profibus DP, and Ethernet/IP through its modular, DIN-rail-mountable form factor. Its compact footprint measuring just 22.5mm wide allows for dense rack mounting in control panels or distributed I/O architectures, while its backplane or fieldbus connectivity options provide flexibility in system design. The module s status LEDs offer real-time monitoring of input/output states, voltage levels, and fault conditions, enabling quick troubleshooting and maintenance. Additionally, the IP440-1E supports configurable debouncing for digital inputs, reducing false triggering from transient signals, and includes built-in diagnostics to alert operators to potential issues such as short circuits or open wires.

Beyond its technical specifications, the IP440-1E embodies Acromag s commitment to durability and longevity, with components selected for resistance to thermal cycling, corrosion, and mechanical stress. Its wide operating temperature range of -40 C to 85 C ensures reliable performance in both extreme cold and high-heat environments, while its compliance with industry standards such as IEC 61131-2 and UL 508 further validates its suitability for critical automation applications. Whether deployed in a high-speed packaging line, a remote monitoring system, or a safety-critical process control setup, the IP440-1E delivers the precision, isolation, and resilience required to maintain operational continuity in even the most demanding industrial scenarios.

### **Pros and Cons of buying a Acromag IP440-1E Isolated Digital Module**

#### **Pros**

1. **High Reliability and Durability**

The IP440-1E is designed for industrial environments, featuring robust construction with an IP67-rated enclosure, making it resistant to dust, water, and harsh conditions. This ensures long-term performance in demanding applications.

2. **Isolation and Safety**

The module provides **2500VAC isolation**, protecting sensitive equipment from voltage spikes, ground loops, and electrical noise. This is critical in applications involving motors, PLCs, or other high-power devices where electrical interference could cause malfunctions or damage.

3. **Wide Input/Output Range**

It supports **24V DC inputs and outputs**, which is a common voltage standard in industrial automation. This compatibility reduces the need for additional conversion hardware, simplifying system integration.

4. **High Current Capacity**

The module can handle **up to 1A per output**, which is sufficient for many industrial control applications, including relay driving, solenoid control, and low-power motor switching.

5. **Compact and Modular Design**

The IP440-1E is part of Acromag s **IP Series**, which offers a modular, DIN-rail-mountable design. This allows for easy installation in control panels and reduces space requirements.

6. **Good Signal Integrity**

The isolation barrier prevents ground loops and noise from affecting digital signals, ensuring cleaner and more reliable data transmission in noisy environments.

7. **Compatibility with Major Industrial Protocols**

It integrates well with **PLCs, HMIs, and other industrial controllers** via standard communication interfaces (e.g., serial, Ethernet, or direct wiring). This makes it versatile for various automation setups.

8. **Low Latency and Fast Response**

As a digital I/O module, it provides **low-latency switching**, which is important for real-time control applications such as machine monitoring or process automation.

9. **Easy Configuration and Programming**

Acromag provides **software tools** for configuration, allowing users to set up inputs/outputs, debounce times, and other parameters without extensive programming knowledge.

10. **Warranty and Support**

Acromag is a reputable manufacturer with **global support and warranty coverage**, ensuring access to spare parts, technical assistance, and firmware updates if needed.

---

#### **Cons**

1. **Limited Output Current**

While **1A per output** is adequate for many applications, it may be insufficient for **high-power actuators, large solenoids, or heavy-duty relays**. In such cases, additional relay drivers or contactors may be required.

2. **No Built-in Diagnostics for All Faults**

While the module provides **status LEDs and some fault indicators**, it may not offer **detailed diagnostic logging** for all potential issues (e.g., short circuits, open wires). Users may need external monitoring for comprehensive troubleshooting.

3. **Cost Compared to Basic Relays**

The IP440-1E is **more expensive than standard mechanical relays** due to its isolated, digital design. For simple on/off control without isolation needs, a basic relay module might be a more cost-effective alternative.

4. **Limited Expansion Options**

If additional I/O channels are needed, users may require **multiple modules**, increasing system complexity and cost. Some competitors offer **larger I/O banks** with more flexibility.

5. **Dependence on Acromag s Software**

Configuration and programming rely on **Acromag s proprietary tools**, which may require learning curves for users unfamiliar with their software ecosystem. Third-party compatibility may be limited.

6. **No Built-in Communication Interface (Optional)**

While many industrial I/O modules include **Ethernet or serial communication**, the IP440-1E is primarily a **direct-wiring module**. If network integration is required, additional hardware (e.g., a gateway) may be needed.

7. **Potential for Overkill in Simple Applications**

If the application only requires **basic digital switching without isolation**, a simpler, cheaper module (e.g., a non-isolated I/O card) might suffice, reducing unnecessary complexity.

---

### **Conclusion**

The **Acromag IP440-1E** is an excellent choice for **industrial applications requiring isolation, reliability, and digital control**. Its **IP67 rating, 2500V isolation, and 1A output capacity** make it well-suited for environments with electrical noise, where safety and signal integrity are critical. However, its **higher cost, limited current capacity for high-power loads, and reliance on Acromag s software** may make it less ideal for **budget-conscious or simple control applications**.

- **Motor control with noise-sensitive signals**

- **PLC or HMI integration requiring isolation**

- **Harsh environmental conditions (dust, water, vibration)**

- **Need for clean digital I/O without ground loops**

then the **IP440-1E is a strong recommendation**.

- **High-current switching (beyond 1A)**

- **A very low-cost solution for basic relay control**

- **Extensive network integration without additional hardware**

- **Minimal configuration requirements**

then you may want to consider **alternative modules** (e.g., non-isolated I/O cards, higher-current relays, or different brands with more integrated diagnostics).

### **Final Recommendation**

Your application demands **isolation and noise immunity**.

You operate in a **harsh industrial environment** (IP67 protection is essential).

You need **reliable digital I/O for PLC/HMI control**.

Budget constraints allow for a **premium, long-term solution**.

You require **higher current outputs** (look for contactors or higher-rated relays).

Cost is a major factor (basic relays or non-isolated modules may suffice).

You need **advanced diagnostics or network integration** without extra hardware.

For most **industrial automation applications where isolation and reliability are priorities**, the **IP440-1E is a solid, well-supported choice**. Always verify your specific current, voltage, and environmental requirements before purchasing.

Details:

Are not included with this equipment unless pictured and/or listed in the above. Fast and hassle-free.

part #: ip4401e price

• $995.00

specifications sensoindustria:

• brand: Acromag
• mpn: Ip440-1e
• part type: Digital Module
• country of origin: United States

offer sensoindustria:

• started: April 3, 2026
• quantity: 3
• options: Ship-to-home
• availability: In Stock
• sold: 0

shipping sensoindustria:

• type: Calculated
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery, FedEx Standard Overnight, FedEx Ground Economy
• class: Standard, One-day, Economy
• transit: 4-8 Days
• cost: $20.93

general sensoindustria:

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

payments sensoindustria:

• credit card: Diners-club
• wallet: Apple-pay
• other

seller sensoindustria:

• # reviews: 17635
• rating: 99.9%
• city: Champaign, Illinois

returns sensoindustria:

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

Acromag IP440-1E Is Similar To:

• 15751-23 Acromag Input Module (53.3% similar) K2H3-HF518-220. Acromag input module...(July 12th, 2018)
• 15751-27 Acromag Input Module (53.3% similar) K2H3-HF518-221. Acromag input module...(July 12th, 2018)
• 15829-73 1822-rbp-p00a-v0 Acromag Input Module (43.5% similar) Have years collective and comprehensive knowledge experience in industrial materials management. Acromag RBP-P00A-V0 input module D659740 brand:Acromag condition: used model: shipping...(January 8th, 2019)
• 4994 Acromag Smartpack Analog Input (46.9% similar) Max ambient: 25 four inputs with a common return each input - 100V dc or 10V dc power: to 36V dc...(May 24th, 2017)
• 961en-4006 Acromag Ethernet Modbus Input Module (51.6% similar) Shipped with USPS priority mail. Bought this new for a project, mounted in panel and never used Acromag 961EN-4006 Ethernet mod bus Tc ip input module...(March 30th, 2019)
• Acromag 983en-4012 Ethernet Discrete I o Module Modbus Tcp ip (50.5% similar) Not available for this item. D3, condition. Misc information. Acromag 983EN-4012 Ethernet discrete i/o module mod bus Tc/ip. Sold as pictured. Used, warranty, 30-DAY warranty. Original packaging must remain intact...(December 4th, 2024)
• Acromag 15829-49 1822-rbp-p002-v0 1800 Input Module T160828 (45.7% similar) Acromag 15829-49 1822-RBP-P002-V0 1800 input module T160828 warranty information: this is a used item, in good condition and includes 30 day warranty...(January 18th, 2025)
• Acromag 15829-21 1822-j-v0 1800 Input Module T160827 (49% similar) Acromag 15829-21 1822-J-V0 1800 input module T160827 warranty information: this is a used item, in good condition and includes 30 day warranty...(January 18th, 2025)
• Acromag 15829-50 1822-rbp-p004-v0 1800 Input Module T160826 (45.7% similar) Acromag 15829-50 1822-RBP-P004-V0 1800 input module T160826 warranty information: this is a used item, in good condition and includes 30 day warranty...(January 19th, 2025)
• Acromag Ip409 Differential Digital Input Output Industry Pack Module (60.3% similar) Part number: 1018-690A...(April 22nd, 2025)
• Acromag Acpc464 Digital Input output And Counter timer Module (59.8% similar) Configuration: 64 digital input/output channels 16-BIT counter/timer with 6 operating modes change of state and level interrupts part numbers: ACPC464, ACPC464E...(April 23rd, 2025)