GE IC695ALG728-CB Analog Output Module

Description

Real-World Use & Application Scenarios
The GE IC695ALG728-CB is typically deployed in process control and industrial automation environments where precise, multi-channel analog output signals must be generated to drive actuators, valves, and instrumentation. In PACSystems RX3i installations, eight isolated or non-isolated channels can be configured to deliver current or voltage outputs, enabling fast, deterministic control of temperature loops, pressure controllers, or motor-driven actuators. Industries such as chemical processing, oil & gas, metals, water treatment, and manufacturing lines rely on these modules to convert digital control signals into actionable analog commands with stable drift performance and reliable thermal behavior. With HART communication support in some configurations, the module can work with smart sensors for enhanced diagnostics without sacrificing real-time control bandwidth. The eight-channel footprint makes it suitable for scalable control architectures where channel density and wiring simplicity matter, and where the module’s integration with RX3i backplanes supports synchronized updates across a control loop network. The IC695ALG728-CB is commonly referenced as part of retrofit or expansion projects, enabling existing RX3i systems to accommodate larger analog output requirements while preserving system timing and reliability.

Detailed Technical Specifications

• Model: IC695ALG728-CB
• Brand: Emerson (formerly GE Intelligent Platforms)
• Type: Analog Output Module
• Channels: 8
• Output Ranges: Voltage: ±10 V and 0–10 V; Current: 0–20 mA and 4–20 mA (configurable per channel)
• Power Supply (Backplane): RX3i backplane-powered; external power requirements may vary by revision
• Power Dissipation: Typical per-channel and total within RX3i specifications
• Mounting: RX3i rack/backplane; requires appropriate terminal blocks
• Dimensions: Standard RX3i module footprint
• Weight: Typical for RX3i analog output modules
• Interfaces: Connectors and terminal blocks compatible with RX3i architecture
• Operating Temperature: Industry range (0°C to 60°C typical, with derating outside)
• Certifications: Common industrial certifications depending on batch and region
• Cooling: Passive cooling through enclosure; no dedicated active cooling required
• Environmental Rating: Industrial, suitable for standard control cabinet environments

Product Introduction & Positioning
The IC695ALG728-CB is an eight-channel analog output module designed for the PACSystems RX3i platform, a family of midrange PLCs originally from GE Intelligent Platforms and now under Emerson Automation. It provides configurable output signals for both voltage and current ranges, suitable for driving proportional controllers, field devices, and actuators within RX3i-based control systems. In a typical RX3i installation, the module plugs into a dedicated rack backplane and communicates with the processor module through the RX3i bus, delivering deterministic update rates and precise output voltages or currents to field devices. For engineers and integrators, the IC695ALG728-CB offers the flexibility to support diverse control schemes—ranging from straightforward 0–10 V or 4–20 mA outputs to more complex signaling needs—while maintaining compatibility with existing I/O schemas, calibration processes, and diagnostic utilities provided by Emerson.

Key Technical Features & Functional Benefits
The IC695ALG728-CB’s standout strengths include multi-channel output density with configurable ranges for voltage and current signals, enabling direct mapping from control logic to field devices. The module supports high-speed update modes and a data format compatible with the RX3i’s addressing and register schemes, which simplifies commissioning and integration with the RX3i processor. For HART-enabled configurations, the module can exchange sensor data and diagnostics over the same physical wiring, reducing wiring complexity and enabling richer process visibility. The channel architecture aims for low crosstalk and stable output across the channel set, with calibration and verification workflows aligned to standard RX3i maintenance practices. Robust electrical design, with considerations for backplane power, thermal dissipation, and mounting in standard RX3i enclosures, makes the IC695ALG728-CB suitable for continuous operation in harsh industrial environments.