IC695ALG608 GE Fanuc RX3i Isolated Analog Input Module

Description

Product Model: IC695ALG608
Product Brand: GE / GE Fanuc / Emerson Automation
Product Series: PACSystems RX3i

Product Features:

• Eight analog input channels with true channel-to-channel and channel-to-backplane isolation
• Supports standard industrial voltage and current signals for process instrumentation
• 16-bit resolution for accurate and stable measurement
• Designed for electrically noisy and ground-potential-variable environments

Technical Specifications Table

Technical Features & Benefits

Isolation is one of those design attributes that often goes unnoticed until a system starts behaving unpredictably. The IC695ALG608 was built specifically for applications where analog signals must remain accurate even when electrical conditions are less than ideal. This module provides eight analog input channels, each fully isolated from the others and from the RX3i backplane. In practical terms, this means one problematic field device or grounding issue does not contaminate the rest of the measurement system.

Each channel on the IC695ALG608 supports common industrial voltage and current ranges, allowing engineers to interface with a wide variety of sensors. Pressure transmitters, flow meters, load cells with signal conditioners, and temperature transmitters typically output 4–20 mA signals. Voltage-based devices, such as laboratory instruments or specialized OEM sensors, can also be accommodated. This flexibility makes the module suitable for mixed-signal environments without requiring external isolation hardware.

Resolution is another strong point. With 16-bit conversion, the IC695ALG608 captures fine variations in process signals. In control loops where small changes matter — such as chemical dosing or thermal regulation — this precision supports tighter control and improved stability. Engineers tuning PID loops often notice that higher-resolution inputs reduce noise in the feedback signal, which directly improves loop performance.

Noise immunity is not just a function of isolation, but also of internal filtering and signal conditioning. The IC695ALG608 incorporates industrial-grade filtering that helps suppress transient disturbances caused by motor starts, variable frequency drives, and switching power supplies. While good wiring practices remain essential, the module provides a robust foundation for reliable analog acquisition.

Diagnostics add another layer of value. Channel-level status information allows the PLC to detect abnormal conditions such as over-range, under-range, or wiring faults. These diagnostics can be used to trigger alarms, inhibit control actions, or prompt maintenance interventions. In facilities where uptime is critical, early detection of sensor or wiring degradation can prevent costly downtime.

Taken together, these features make the IC695ALG608 more than just an analog input card. It is a protective layer between the real world and the control logic, ensuring that the data entering the PLC is as clean and trustworthy as possible.

Related Models

• IC695ALG106 – High-density non-isolated 16-channel analog input module
• IC695ALG600 – Isolated analog input module with different channel configuration
• IC695ALG616 – Enhanced isolation analog input with advanced diagnostics
• IC695ALG704 – High-speed analog input module for dynamic processes
• IC695ALG502 – Mixed analog input/output module for compact systems
• IC695ALG708 – Advanced analog input module with extended filtering options