GE FANUC IC697ALG321 Plc Modules

( Brand: Ge Fanuc ), ( Manufacturer Part Number: IC697ALG321 ), ( Part Type: Module )

Review GE FANUC Used

The **GE Fanuc IC697ALG321** is a high-performance, modular analog input/output (I/O) module designed for integration into GE Fanuc s Series 90-70 Programmable Logic Controllers (PLCs), offering robust and reliable automation solutions for industrial applications. This **24-bit, 32-channel analog input module** is engineered to deliver exceptional precision and flexibility, making it an ideal choice for environments requiring high-resolution data acquisition, process monitoring, and control. With a **16-bit resolution** per channel, the IC697ALG321 ensures fine granularity in analog signal processing, enabling accurate measurement of voltage, current, temperature, and other analog signals with minimal noise interference. Its **isolated inputs** (up to 250V AC/DC) enhance safety and reduce the risk of ground loops or electrical disturbances, ensuring stable performance even in harsh industrial settings.

The module features **universal input capability**, accommodating a wide range of signal types, including **0 5V, 0 10V, 0 20mA, 4 20mA, and thermocouple inputs (Type J, K, T, E, R, S, B, N, and C)**, making it versatile for diverse applications such as manufacturing, energy management, HVAC systems, and chemical processing. Its **scan time of 1.2 ms per channel** (at 16-bit resolution) allows for rapid data acquisition, enabling real-time monitoring and control in high-speed production lines. The IC697ALG321 is equipped with **built-in filtering and anti-aliasing circuitry**, which minimizes signal noise and ensures clean, reliable data transmission to the PLC for further processing.

Designed for seamless integration into the **Series 90-70 PLC architecture**, this module supports **GE Fanuc s structured programming environment**, including Ladder Logic, Function Block Diagrams, and Sequential Function Charts, allowing engineers to develop sophisticated control algorithms with ease. The module s **compact, DIN-rail mountable form factor** optimizes space utilization in control panels, while its **wide operating temperature range (-40 C to 75 C)** ensures dependable operation in both indoor and outdoor industrial environments. Additionally, the IC697ALG321 incorporates **diagnostic features**, such as input status monitoring and error reporting, which facilitate predictive maintenance and reduce downtime by alerting operators to potential issues before they escalate.

Built to meet **industrial-grade reliability standards**, the IC697ALG321 is constructed with **high-quality materials and robust shielding**, providing resistance to electromagnetic interference (EMI) and radio frequency interference (RFI). Its **backplane-powered design** eliminates the need for external power supplies, simplifying installation and reducing wiring complexity. Whether deployed in a **discrete manufacturing facility, a renewable energy system, or a critical infrastructure application**, this analog input module delivers the precision, flexibility, and durability required to enhance automation efficiency and operational excellence. With its **backward compatibility** and **proven performance**, the GE Fanuc IC697ALG321 remains a cornerstone component for engineers seeking to build scalable, high-performance control systems.

### **Pros and Cons of buying a GE Fanuc IC697ALG321 PLC Module**

The **GE Fanuc IC697ALG321** is a **16-point analog input/output (AI/O) module** designed for use in the **Series 90-70 PLC platform**. Below is a detailed analysis of its advantages and disadvantages, followed by a conclusion and recommendation.

---

### **Pros of the IC697ALG321**

1. **High Reliability and Proven Performance**

- The **Series 90-70** platform is a well-established industrial automation system with decades of field use, making this module a dependable choice for mission-critical applications.

- GE Fanuc (now part of Emerson) has a strong reputation for **durability and long-term support**, reducing the risk of premature failure.

2. **Compatibility with Legacy Systems**

- The **IC697ALG321** is designed specifically for the **Series 90-70 PLC**, ensuring seamless integration with existing GE Fanuc control systems.

- Many industries (e.g., manufacturing, process control, oil & gas) still rely on this platform, making it a practical choice for upgrades or replacements.

3. **Analog Input/Output Flexibility**

- The module provides **16 analog channels** (8 inputs, 8 outputs) with configurable ranges (e.g., 0 10V, 4 20mA, thermocouple, RTD).

- Supports **multi-range input scaling**, allowing for flexibility in sensor compatibility without additional hardware.

4. **Modular and Expandable Architecture**

- The **Series 90-70** allows for **hot-swappable modules**, minimizing downtime during maintenance.

- Can be paired with other **IC697 series modules** (digital I/O, communication, etc.) to build a customized control system.

5. **Industrial-Grade Construction**

- Built to withstand **harsh environments** (wide temperature ranges, vibration, EMI/EMC resistance).

- **Backplane-powered** (no external power supply needed for the module itself), reducing wiring complexity.

6. **Long-Term Availability of Parts**

- Unlike newer, rapidly evolving PLC technologies, the **Series 90-70** still has **spare parts and technical support** from Emerson and third-party suppliers.

- Lower risk of **obsolete components** compared to newer, less widely supported systems.

7. **Proven Diagnostic and Monitoring Features**

- Includes **built-in diagnostics** (fault codes, status LEDs) to quickly identify issues.

- Supports **remote monitoring** via communication modules (e.g., IC693 or IC694 series).

8. **Cost-Effective for Large-Scale Deployments**

- While not the cheapest option, the **long lifespan and reliability** often make it **more cost-effective over time** compared to newer PLCs with shorter support cycles.

- Bulk purchasing may yield **better pricing** due to demand in legacy systems.

---

### **Cons of the IC697ALG321**

1. **Outdated Technology Compared to Modern PLCs**

- **Lacks advanced features** found in newer PLCs (e.g., Ethernet/IP, PROFINET, built-in HMI, cloud connectivity, cybersecurity enhancements).

- **No built-in wireless or high-speed communication** options (requires additional modules for modern protocols).

2. **Limited Software Support**

- Runs on **GE Fanuc s proprietary software (e.g., GE Cimplicity, Structured Text in older versions)**, which may not be as intuitive as **Siemens TIA Portal, Rockwell Studio 5000, or Allen-Bradley s RSLogix**.

- **No native support for modern programming languages** like structured text (IEC 61131-3) in newer versions unless emulated.

3. **Higher Initial Cost for New Implementations**

- While cost-effective long-term, **purchasing new** (rather than used/refurbished) can be **more expensive** than modern PLCs with similar I/O counts.

- **Programming and training costs** may be higher due to legacy software familiarity requirements.

4. **Dependence on GE Fanuc/Emerson Ecosystem**

- **Limited third-party support** compared to more open platforms (e.g., Allen-Bradley, Siemens).

- **Fewer integration options** with modern SCADA, MES, or IoT systems without additional gateways.

5. **Physical Size and Wiring Complexity**

- The **Series 90-70 rack system** requires **dedicated space**, which may be a constraint in retrofitting older installations.

- **Backplane-based wiring** can be more complex than modern **bus-based or modular** PLC architectures.

6. **Potential for Higher Maintenance Costs Over Time**

- While reliable, **replacement parts and labor costs** may increase as Emerson phases out some components.

- **No built-in redundancy** in the base module (unlike some newer PLCs with hot-swappable CPUs).

7. **Limited Scalability for High-Speed Applications**

- **Scan times may be slower** compared to modern PLCs with faster processors and optimized I/O handling.

- **Not ideal for high-frequency control** (e.g., servo motor drives, real-time motion control) without additional hardware.

8. **Environmental and Compliance Considerations**

- Some newer applications may require **higher IP ratings (e.g., IP67)** or **cybersecurity certifications** (e.g., IEC 62443), which this module does not natively support.

- **Regulatory compliance** (e.g., FDA, ATEX) may require additional shielding or modifications.

---

### **Conclusion**

- **Legacy system upgrades** where compatibility with existing Series 90-70 PLCs is required.

- **Industries with long-term maintenance contracts** (e.g., manufacturing, process control) where reliability outweighs modern features.

- **Applications where cost-effectiveness over decades** is prioritized over cutting-edge technology.

However, for **new installations, high-speed control, or modern industrial IoT integration**, newer PLCs (e.g., **Allen-Bradley ControlLogix, Siemens S7-1500, or Beckhoff TwinCAT**) may offer **better performance, flexibility, and future-proofing**.

---

### **Recommendation**

You are **maintaining or upgrading an existing GE Fanuc Series 90-70 system**.

**Reliability and long-term support** are critical (e.g., 24/7 production lines).

You **cannot justify the cost of migrating to a newer PLC platform**.

The **analog I/O requirements align perfectly** with the module s specifications.

You are **starting a new project** and can afford a **modern PLC** with better communication and programming options.

Your application requires **high-speed control, wireless connectivity, or cloud integration**.

**Budget constraints allow for a more cost-effective alternative** (e.g., used/refurbished modules or newer PLCs with similar I/O).

- **Used/Refurbished IC697ALG321:** Often available at a **lower cost** with similar reliability.

- **Newer Analog Modules (e.g., Allen-Bradley 1756-AIB):** If migrating to a modern platform, these offer **better integration with current technologies**.

- **Hybrid Approach:** Use the **IC697ALG321 for legacy analog signals** while integrating a **modern PLC (e.g., ControlLogix) for new I/O and communication needs**.

The **IC697ALG321 remains a strong choice for legacy systems**, but **new projects should weigh the trade-offs carefully** against modern alternatives. If budget allows, **prioritize a PLC that supports future-proofing** unless the Series 90-70 is non-negotiable.

Details:

All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed. Part Number IC697ALG321. FANUC IC697ALG321 / USED DISCONTINUED BY MANUFACTURER, INPUT MODULE, ANALOG, 4 POINT, SERIES 90-70.

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such.

part #: ic697alg321 prices

• $54.95-$290.00

specifications sensoindustria:

• brand: Ge Fanuc
• mpn: Ic697alg321
• part type: Module

payments sensoindustria:

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

offer sensoindustria:

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

seller sensoindustria:

• rating: 99.5%
• # reviews: 188276
• city: 1 Millennium Dr, Willingboro, NJ 08046

General sensoindustria:

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

shipping sensoindustria:

• type: Fixed
• service: Standard
• cost: $12.90
• class: Standard
• transit: 24-37 Days

returns sensoindustria:

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

Ge Fanuc IC697ALG321 Is Similar To:

• 1c660tbr101k Ge Fanuc Genius Module (35.5% similar) If another carrier such as ups or FedEx is required to ship due the size, then shipping costs may change...(February 5th, 2018)
• 1c693pwr330d Ge Fanuc Series 90-30 (32.8% similar) I will work with you to Get the best rate available. Skid fee added in. 7IC 693ACC310A filler modules qty. Very good used Ge Fanuc series power supply programmable CONTROLLER-IC693PWR300D ic 693CPU364-BDIC 693MDL240E qty. 2ON base 10-SLOTREADY for work shipping: ships within the USA, Canada and ...(October 6th, 2017)
• 44a717545-g01 Ge Fanuc Control Board (38.1% similar) Ge Fanuc control board - 44A717545-G01 IC600CB516...(October 19th, 2018)
• 44a720751-g01 Ge Fanuc (32.7% similar) Ge Fanuc 44A720751-G01 44A720751G01 IC600 LX616L...(October 19th, 2018)
• 44a747833-001r02-2 Ge Fanuc Control Module (34.8% similar) Ge Fanuc 44A747833-001R02 2 control module NBT1A3, 44A747832-G01...(July 17th, 2018)
• 44c742960-001r02 Ge Fanuc Ribbon Cable Used Free Shipping (35.7% similar) The shipping on this item reflects standard ground for us. I have a nice used Ge Fanuc 44C742960-001R02 ribbon cable - for sale. Greenback stock G27645-9...(March 28th, 2018)
• 44c742961-001r02 Ge Fanuc Ribbon Cable Used Free Shipping (35.7% similar) I have a nice used Ge Fanuc 44C742961-001R02 ribbon cable - for sale. Greenback stock G27650-5. The shipping on this item reflects standard ground for us...(March 28th, 2018)
• 67767 A14b-0070-b104-01 A20b-0007-0340-06a Ge Japan Fanuc Input Unit Power Board Horner Electric (22.8% similar) Ge Fanuc PU67767 A14B-0070-B104-01 input unit A20B 06A power board combo...(April 8th, 2018)
• 8122-di-dc-01 Ge Fanuc Intelligent Mtl Di Vdc Isolated Sinking (38.2% similar) Item has some light signs of use. Is the refurbishing and liquidation for one of countries leading leasing agents computer equipment. See images for items detailed condition. Please feel free to ask any questions or make an offer. You can through messages. In an effort to keep their equipment up ...(April 26th, 2018)
• A03b-0808-c030 Ge-fanuc Io Module New (31.3% similar) Make offer, had it too long. Ge-fanuc A03B-0808-C030 Io module new please buy mine...(November 19th, 2017)
• A03b-0819-c160 Ge Fanuc Output Module (34.4% similar) Please by using the messaging system. Please through message system. Address cannot be changed at any time. At this time...(February 16th, 2018)