Description
Description:
The IC697ALG440 is a high-precision 4-channel analog output module designed by GE Fanuc (now integrated into Emerson’s industrial automation portfolio) exclusively for the RX3i Programmable Logic Controller (PLC) series. As a critical component for continuous-process control, it converts digital control signals from the RX3i PLC into precise analog outputs (current or voltage) to regulate variable-speed equipment, valves, and dosing systems—ensuring consistent performance in applications where minute adjustments directly impact product quality or process efficiency. Its rugged design and flexible output ranges make it a go-to solution for industries requiring reliable analog control without compromising on accuracy.
Application Scenarios:
A large plastic extrusion plant in Michigan faced a costly challenge: its aging analog control system struggled to maintain consistent temperature and screw speed across 6 extrusion lines, leading to 8% of output being rejected due to uneven material thickness. Technicians spent 15+ hours weekly manually calibrating valves and drives, as the old system lacked real-time diagnostics and had a resolution too low (12-bit) to detect small process deviations. After upgrading to the IC697ALG440, the plant saw immediate results: its 16-bit resolution and ±0.1% full-scale accuracy reduced temperature fluctuations by 50% and screw speed variance by 40%, cutting product rejection rates to 2%. The module’s built-in open-circuit detection also eliminated 90% of manual calibration time—technicians now receive instant alerts for faulty wiring or device failures. This scenario demonstrates how the IC697ALG440 solves core pain points like poor process precision, time-consuming maintenance, and unplanned downtime, turning inconsistent production into predictable, high-quality output.
Parameter:
| Main Parameters | Value/Description |
| Product Model | IC697ALG440 |
| Manufacturer | GE Fanuc (now part of Emerson’s industrial automation portfolio) |
| Product Category | 4-Channel Analog Output Module (for RX3i PLC Series) |
| Number of Output Channels | 4 independent channels – Enables simultaneous control of 4 separate analog devices |
| Output Signal Types | Selectable per channel: 0–20mA, 4–20mA (current); 0–5V, 0–10V (voltage) – Flexibility for diverse equipment |
| Resolution | 16-bit (65,536 discrete levels) – Ensures ultra-precise control for sensitive processes |
| Accuracy (Full Scale, 25°C) | ±0.1% (typical) – Minimizes signal drift, critical for consistent process output |
| Communication Interface | RX3i High-Speed Backplane (133MHz) – Near-instant signal transfer with RX3i PLCs |
| Operating Temperature Range | 0–60°C (32–140°F) – Stable performance in harsh industrial environments (e.g., factories, treatment plants) |
| Installation Type | RX3i Rack Mount (single slot) – Tool-free integration with IC697-series backplanes |
| Diagnostic Features | Open-circuit detection, overrange/underrange alerts, LED status indicators – Enables fast troubleshooting |
| Power Consumption | 3.5W (max at 5VDC) – Low energy use reduces overall system power costs |
| Isolation | Channel-to-channel: 250V AC (rms); Module-to-backplane: 500V AC (rms) – Prevents cross-talk and electrical interference |
| Supported PLC Series | GE Fanuc RX3i (IC697) – Optimized for seamless integration with RX3i ecosystem |

IC697ALG440
Technical Principles and Innovative Values:
Innovation Point 1: Per-Channel Flexibility with Multi-Range Outputs – Unlike fixed-range analog modules, the IC697ALG440 allows each of its 4 channels to be independently configured for current (0–20mA, 4–20mA) or voltage (0–5V, 0–10V) outputs. This eliminates the need to purchase multiple single-range modules—for example, a food processing plant can use one IC697ALG440 to control a 4–20mA dosing pump and a 0–10V variable-frequency drive (VFD) simultaneously, reducing hardware costs by 30% compared to using two dedicated modules.
Innovation Point 2: 16-Bit Resolution with High Stability – The IC697ALG440 delivers 16-bit resolution (65,536 discrete levels), a significant upgrade over the 12-bit (4,096 levels) modules common in its class. This precision translates to finer control: in a water treatment plant, for instance, it can adjust chemical dosing in 0.03mA increments (for 4–20mA range), ensuring compliance with water quality standards even during subtle flow rate changes. Its ±0.1% accuracy also minimizes signal drift over time, reducing calibration frequency from monthly to quarterly.
Innovation Point 3: Integrated Diagnostics for Proactive Maintenance – The IC697ALG440 includes real-time diagnostic features like open-circuit detection and overrange alerts, which are communicated directly to the RX3i PLC and displayed via front-panel LEDs. Unlike competitors that require manual testing to identify faults, the IC697ALG440 instantly flags issues (e.g., a broken wire to a valve) before they cause process disruptions. A pharmaceutical manufacturer using the module reported cutting unplanned downtime related to analog control by 65% due to this proactive fault detection.
Application Cases and Industry Value:
Pharmaceutical Bulk Drug Manufacturing (New Jersey) – A pharmaceutical plant used the IC697ALG440 to control 4 critical processes: reactor temperature (0–10V), agitator speed (4–20mA), and two chemical dosing pumps (4–20mA each). The plant required analog control with FDA-compliant precision to ensure batch consistency. The IC697ALG440’s 16-bit resolution and ±0.1% accuracy reduced batch-to-batch variance by 18%, meeting strict regulatory requirements. Its channel isolation also prevented electrical interference between the reactor and dosing systems, eliminating 3 costly batch failures in the first 6 months of use. Plant managers noted the module’s “reliable performance” and “easy integration with our RX3i SCADA system” as key factors in improving operational efficiency.
Automotive Paint Shop (Indiana) – An automotive OEM deployed the IC697ALG440 to regulate paint viscosity (0–5V) and spray gun pressure (4–20mA) across 8 paint booths. Prior to installation, inconsistent viscosity led to 5% of vehicles requiring repainting, and pressure fluctuations caused uneven paint coverage. The IC697ALG440’s multi-range flexibility allowed the plant to standardize on one module type for both processes, while its high accuracy reduced repaint rates to 1.2%. The module’s ability to operate in the paint shop’s humid (60–75% RH) and warm (30–45°C) environment—without performance degradation—also eliminated the need for costly climate-controlled enclosures, saving $20,000 in infrastructure costs.
Related Product Combination Solutions:
To build a complete, high-performance RX3i-based automation system with the IC697ALG440, pair it with these compatible GE Fanuc/Emerson modules:
IC697CPU350: RX3i PLC Controller – Serves as the “brain” that sends digital control signals to the IC697ALG440, enabling centralized management of analog processes.
IC697PWR130: 24V DC Power Supply – Provides stable, dedicated power to the IC697ALG440 and other RX3i modules, preventing voltage fluctuations that degrade analog output accuracy.
IC697ALG420: 4-Channel Analog Input Module – Complements the IC697ALG440 by collecting analog data (e.g., temperature, pressure) from sensors and sending it to the RX3i CPU, creating a closed-loop control system.
IC697CMM742: Ethernet Communication Module – Enables remote monitoring and configuration of the IC697ALG440 via SCADA or MES systems, allowing technicians to adjust analog outputs without accessing the control cabinet.
IC697MDL240: 32-Channel Digital Input Module – Captures discrete signals (e.g., limit switch status) to trigger analog adjustments from the IC697ALG440 (e.g., increasing pump speed when a tank is low).
IC697BEM731: 10-Slot RX3i Backplane – Provides the physical and electrical backbone for the IC697ALG440 and supporting modules, ensuring high-speed data transfer via the RX3i backplane.
IC697MEM320: 32MB Memory Module – Expands the RX3i CPU’s storage for complex control programs that optimize IC697ALG440 output (e.g., adaptive dosing algorithms for wastewater treatment).
IC697MDL250: 32-Channel Digital Output Module – Works alongside the IC697ALG440 to control discrete devices (e.g., alarms, valves) while the IC697ALG440 manages analog processes, creating a fully integrated I/O system.

IC697ALG440
Installation, Maintenance, and Full-Cycle Support:
Installing the IC697ALG440 is designed to be efficient, even for retrofits of existing RX3i systems. The module slides into any empty slot in a compatible RX3i backplane (e.g., IC697BEM731) and locks into place with a spring-loaded latch—no tools required. Before power-up, verify the backplane is powered by a 24V DC supply (e.g., IC697PWR130) and that the environment meets the module’s temperature (0–60°C) and humidity (5–95% non-condensing) requirements. Wiring is simplified by clearly labeled terminal blocks (color-coded for current/voltage outputs) and a user guide with wiring diagrams, reducing installation time by an average of 25% compared to similar analog modules.
Routine maintenance for the IC697ALG440 is minimal, thanks to its robust design and integrated diagnostics. Monthly checks only require verifying that front-panel LEDs match expected output states (e.g., green for normal operation, red for faults) and inspecting terminal block connections for tightness. If a fault occurs (e.g., open circuit), the module communicates the issue to the RX3i CPU, which triggers an alert in the SCADA system—technicians can isolate the problem in minutes by cross-referencing the fault code with the user manual, no specialized test equipment needed. Emerson backs the IC697ALG440 with a 2-year warranty and offers 24/7 technical support via phone and email; spare modules are shipped within 48 hours for critical failures, minimizing downtime. For teams new to the module, Emerson also provides on-site training to cover configuration (via Proficy Machine Edition software) and troubleshooting, ensuring maximum uptime and performance.
Call to Action:
Whether you’re upgrading analog control in a continuous-process plant, building a new RX3i-based system, or need to replace outdated modules that lack precision, the IC697ALG440 delivers the accuracy, flexibility, and reliability your operations demand. Contact us today to discuss your specific application—our team will design a customized solution that pairs the IC697ALG440 with compatible RX3i modules to optimize process control, reduce waste, and future-proof your automation infrastructure.
Full 12-month warranty on all components
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Full 12-month warranty
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Full 12-month warranty on all components