Description
IC200ALG620: Product Overview
The GE IC200ALG620 is a 4-channel RTD analog input module belonging to the VersaMax series (formerly produced by GE Fanuc, now managed by Emerson Automation). It is engineered for industrial temperature monitoring and process control applications, where accurate resistance-to-temperature conversion is critical. The module acts as a “sensor interface” between RTD devices (e.g., thermocouples, resistance thermometers) and GE Fanuc VersaMax PLC systems, converting raw resistance signals into high-resolution digital data for real-time analysis and control.
Role in Automation Systems:
Positioned as a “temperature sensing gateway” in VersaMax architectures, the IC200ALG620 performs two primary functions:
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Signal Acquisition: Receives low-level resistance signals from RTD sensors (e.g., a platinum 100Ω RTD measuring reactor temperature) and amplifies/conditions them for analog-to-digital conversion.
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Data Transmission: Sends high-precision temperature data to the VersaMax PLC via the I/O bus, enabling the controller to adjust process parameters (e.g., fuel flow, cooling water valves) for optimal performance.
Core Functionality:
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Multi-RTD Compatibility: Supports a wide range of RTD sensors (platinum, copper, nickel, nickel/iron) with configurable resistance ranges (0–500 Ω, 0–3000 Ω), making it adaptable to diverse industrial environments.
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High-Resolution Conversion: Utilizes 16-bit analog-to-digital converters (ADCs) to deliver precise temperature readings (±0.1°C accuracy at 25°C), critical for applications like chemical reactors or pharmaceutical manufacturing where small temperature variations impact product quality.
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Flexible Wiring: Accommodates 3-wire or 4-wire RTD connections, reducing lead resistance errors and improving measurement accuracy in long-distance sensor installations.
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Automatic Calibration: Performs self-calibration at power-up and periodically during operation to compensate for ambient temperature changes, ensuring consistent accuracy without manual intervention.
Platform Benefits (VersaMax Series):
The IC200ALG620 inherits the VersaMax platform’s strengths, including:
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Reliability: Proven 24/7 operation in industrial settings (e.g., power plants, refineries), with a track record of minimizing unplanned downtime.
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Legacy Compatibility: Works with existing VersaMax components (e.g., I/O carriers, PLC CPUs), reducing the cost of system upgrades.
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Scalability: Supports expansion with additional I/O modules (e.g., analog outputs, digital I/O) to accommodate growing system demands (e.g., adding more temperature sensors to a production line).
IC200ALG620
Technical Specifications
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Parameter
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Specification
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Model Number
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IC200ALG620 (Variant of VersaMax Series)
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Manufacturer
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GE Fanuc (Emerson Automation)
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Product Type
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4-Channel RTD Analog Input Module
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Series
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VersaMax (Industrial Automation)
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Input Channels
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4 (3-wire/4-wire RTD support)
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RTD Types
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Platinum (25Ω/100Ω/1000Ω), Copper (10Ω/50Ω/100Ω), Nickel (100Ω/120Ω), Nickel/Iron (604Ω)
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Resolution
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16-bit (0.0015% of full scale)
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Accuracy
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±0.15% (resistance measurement), ±0.15% (temperature measurement at 25°C)
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Update Rate
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210 ms/channel (60 Hz), 230 ms/channel (50 Hz)
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Isolation
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1500 V AC (input-to-frame), 250 V AC (input-to-logic)
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Operating Temperature
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0°C to +60°C (industrial-grade)
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Storage Temperature
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-40°C to +85°C
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Humidity
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5–95% non-condensing
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Power Consumption
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125 mA from +5V bus (backplane power)
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Weight
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~0.25 kg (0.55 lbs)
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Certifications
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CE, UL (inferred from GE industrial product standards)
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Core Features & Customer Value
1. High-Precision Temperature Measurement:
The IC200ALG620’s 16-bit resolution and ±0.15% accuracy ensure reliable temperature data for critical processes. For example, in a chemical plant, the module can detect a 0.1°C deviation in reactor temperature, allowing the PLC to adjust cooling water flow and prevent product spoilage.
2. Flexible Sensor Compatibility:
Support for multiple RTD types (platinum, copper, nickel) and wiring configurations (3-wire/4-wire) reduces the need for additional signal conditioning hardware. This flexibility saves time and money during installation, especially in retrofit projects.
3. Robust Industrial Design:
The module’s operating temperature range (0°C to +60°C) and high humidity tolerance (5–95% non-condensing) make it suitable for harsh industrial environments (e.g., turbine halls, refineries). Its compact form factor (118mm x 87mm x 40mm) allows for easy installation in crowded control cabinets.
4. Easy Integration:
Compatibility with GE Fanuc VersaMax PLC systems ensures seamless integration with existing automation architectures. The module’s LED indicators (OK, power, fault) provide instant visual feedback on status, simplifying troubleshooting.
IC200ALG620
Typical Applications
The GE IC200ALG620 is widely used in industrial automation systems for:
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Process Control:
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Monitors temperature in chemical reactors, distillation columns, and heat exchangers, enabling real-time adjustment of process parameters (e.g., fuel flow, steam inlet valves).
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HVAC Systems:
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Measures supply air, return air, and zone temperatures in commercial buildings, integrating with building automation systems (BAS) for energy-efficient climate control.
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Manufacturing:
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Monitors furnace temperatures, curing ovens, and thermal processing equipment in automotive and electronics manufacturing, ensuring product quality and consistency.
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Power Generation:
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Measures turbine exhaust temperature, boiler feedwater temperature, and cooling tower temperature in power plants, supporting stable power output and emission reduction.
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