GE IC670ALG230K – Genius Field Control 8‑Channel 12‑Bit Analog Current Input Module

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Product Introduction:

The IC670ALG230K is a high‑density, high‑reliability analog input module manufactured by GE Fanuc (now part of Emerson Automation) within the Genius Field Control I/O series. Designed as a cost‑effective remote I/O solution, it interfaces with a Bus Interface Unit (BIU) to acquire analog current signals from field transmitters, sensors, and instruments. The module converts 0–20 mA or 4–20 mA analog inputs into 12‑bit digital data for processing by the host PLC or control system. The “K” suffix denotes a specific revision or industrial grade variant, ensuring compatibility and performance in demanding industrial environments.

Technical Specifications

Manufacturer: GE Fanuc / Emerson Automation
Model: IC670ALG230K
Series: Genius Field Control I/O System
Module Type: Analog Current Input Module
Input Channels: 8 single‑ended current inputs (one group)
Input Ranges: Software‑configurable per channel: 0–20 mA, 4–20 mA
Digital Resolution: 12 bits (typical)
Analog Resolution: 5.0 µA per step
Input Current Span: 0.1 mA (min) to 20 mA (max); 30 mA absolute maximum
Input Impedance: 250 Ω (nominal, 249.75–250.25 Ω)
Conversion Time: 60 µs per channel (at 1 MHz clock)
Input Filter: 1st‑order RC, 160 Hz cutoff frequency
Accuracy: ±0.05% of full scale (0.1–20 mA, 25°C); ±0.025% non‑linearity
Temperature Coefficient: ±0.002%/°C (typical), ±0.005%/°C (max)
Isolation: 1500 VAC (1 min) channel‑to‑logic; 250 VAC continuous channel‑to‑ground/logic
Power Supply: 18–30 VDC (24 VDC typical, from BIU or external source)
Power Consumption: 51 mA (max) from BIU; 50–210 mA (including loop current)
Dimensions (W×H×D): Standard Genius I/O module form factor
Weight: Approx. 0.30 kg
Operating Temperature: -20°C to +55°C
Storage Temperature: -40°C to +70°C
Relative Humidity: 5%–95% (non‑condensing)
Certifications: CE, UL, CSA, Class 1 Div. 2 (hazardous locations)
Mounting: DIN rail or Genius I/O panel

Key Features

12‑Bit Precision & High Resolution: Delivers accurate current measurement with 5 µA step resolution for precise process monitoring.
Software‑Configurable Ranges: Supports both 0–20 mA and 4–20 mA industrial current standards on a per‑channel basis via the control system.
Robust Fault Detection: Includes open‑wire detection (4–20 mA mode, <2.0 mA trigger) and over‑range detection (20.0–20.5 mA) for proactive diagnostics.
High Noise Immunity: 160 Hz low‑pass filter and 1500 VAC isolation suppress electrical noise and ground loops in harsh environments.

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