Product Overview
The GE IC695ALG306 is a high-precision isolated thermocouple analog input module designed for industrial temperature monitoring within Emerson’s PACSystems RX3i platform. Engineered for critical process applications, this module features eight individually isolated channels, each configurable for J/K/T/E/R/S/B/N-type thermocouples, delivering 16-bit resolution and ±0.1% accuracy at 25°C. Its robust 1500V AC channel-to-channel and channel-to-backplane isolation ensures signal integrity in high-electromagnetic-interference (EMI) environments like power substations and steel plants. As part of the RX3i series, the GE IC695ALG306 integrates seamlessly with PCI-based backplanes (e.g., IC695ACC400CA), enabling real-time data acquisition for SCADA and DCS systems. The module supports IEEE 32-bit floating-point data formats and includes software-configurable filters (8Hz–1000Hz) to suppress noise from variable-frequency drives and heavy machinery. With hot-swap capability and a compact form factor, the GE IC695ALG306 optimizes control cabinet space while providing reliable performance in extreme conditions (-40°C to +70°C), making it indispensable for safety-critical applications in energy, heavy manufacturing, and nuclear facilities.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | IC695ALG306 |
| Manufacturer | GE (Emerson Automation) |
| Product Type | Isolated Thermocouple Input Module |
| Channels | 8 (individually isolated) |
| Thermocouple Types | J/K/T/E/R/S/B/N |
| Resolution | 16-bit |
| Accuracy | ±0.1% @ 25°C; ±0.25% full temperature range |
| Isolation Voltage | 1500V AC (channel-to-channel and backplane) |
| Update Rate | 1 ms per channel |
| Power Consumption | 4.89W max |
| Operating Temperature | -40°C to +70°C |
| Filter Options | 8Hz–1000Hz (software-configurable) |
| Terminal Block | Requires IC694TBB032 high-density terminal |
| Certifications | UL 508, CSA C22.2, CE, RoHS, Class I Div 2 |
Key Features and Advantages
High-Accuracy Temperature Acquisition:
Each channel incorporates independent cold-junction compensation (CJC) and 16-bit resolution, enabling precise millivolt-level signal measurement for extreme environments like steel furnaces (up to 1,800°C) or nuclear reactor cooling systems. The GE IC695ALG306’s configurable notch filtering eliminates noise from high-power motors and inverters, ensuring data integrity in electrically noisy plants.
Industrial-Grade Reliability:
With 1500V AC isolation and 4kV ANSI C37.90 surge immunity, the module withstands voltage transients in substations and turbine halls. Hot-swap capability allows maintenance without process interruption, while per-channel LED diagnostics (open-circuit/over-range alerts) reduce mean-time-to-repair (MTTR) by 40% in continuous processes like chemical batch reactors.
Seamless System Integration:
Compatible with RX3i CPUs (e.g., IC695CPE310) and GE’s Proficy Machine Edition software, the module supports HART protocol for predictive sensor diagnostics. Its PCI-backplane integration (slots 1–6 of IC695ACC400CA) saves 30% cabinet space compared to legacy systems, facilitating brownfield upgrades.
Application Areas
- Energy & Power Generation: Monitors exhaust temperatures in gas turbines and transformer winding temperatures in grid protection systems, leveraging isolation for high-voltage substations.
- Heavy Manufacturing: Controls blast furnace thermocouples and continuous-casting mold temperatures in steel mills, withstanding ambient temperatures up to 70°C.
- Nuclear Safety Systems: Tracks cooling-loop temperatures in nuclear facilities, meeting Class I Div 2 safety standards for explosive environments.
- Process Industries: Manages reactor temperatures in pharmaceutical GMP-compliant batch processes, using isolation to prevent signal cross-talk.
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Installation and Maintenance
Installation Prep: Mount IC695ALG306 in PCI-compatible slots (1–6) of IC695ACC400CA. Verify 24VDC power stability (±10%) and use shielded twisted-pair cables with drains grounded at the module end. Ensure chassis ground resistance <1Ω.
Maintenance: Calibrate channels annually using a 0.05% precision source. Inspect PCI connectors every 12 months; replace if insertion force exceeds 30N. Monitor thermal derating via Emerson’s Diagnostic Assistant in environments >60°C.
Product Assurance
The GE IC695ALG306 includes a 12-month warranty against manufacturing defects. Emerson’s global support network provides 24/7 firmware updates and advance replacement within 72 hours for critical failures. Lifetime access to technical documentation and migration tools is available through the PACSystems Resource Library.
HS:8514909000
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