Product Short Description
Product Introduction:
The IC200ALG620 is a 4-channel RTD/resistance analog input module from GE’s VersaMax I/O series, designed for precise temperature and resistance measurement in industrial automation systems. It accepts inputs from 3-wire or 4-wire RTD sensors (Platinum, Copper, Nickel, Nickel/Iron) and direct resistance inputs (0–500 Ω, 0–3000 Ω), with 16-bit resolution and built-in excitation current matching the configured RTD type. The module features channel-specific diagnostics, including open RTD, short circuit, underrange, overrange, non-volatile memory faults, wiring faults, and high/low alarms, all reported to the host PLC. It integrates with VersaMax I/O carriers, uses an OK LED for status/diagnostics, and requires only backplane power (no external power supply).
Description
- Technical Specifications:
- Input Channels: 4 independent channels, each supporting 3-wire or 4-wire RTDs
- Input Types: RTD (Platinum 25/100/1000 Ω; Copper 10/50/100 Ω; Nickel 100/120 Ω; Nickel/Iron 604 Ω); Direct resistance (0–500 Ω, 0–3000 Ω)
- Resolution: 16 bits (15 bits plus sign)
- Update Rate: 210 ms per channel (60 Hz); 230 ms per channel (50 Hz)
- Accuracy: ±0.15% of reading (at 25°C) for both resistance and RTD temperature measurements
- Power Requirements: Backplane 5 VDC (125 mA max); Backplane 3.3 VDC (125 mA max); No external power needed (excitation current provided by module)
- Isolation: 250 VAC continuous / 1500 VAC for 1 minute (input-to-logic/frame ground)
- Diagnostics: Open RTD, input short, underrange, overrange, non-volatile memory fault, wiring fault, high/low alarm detection; OK LED (green = power, amber = fault)
- Data Output: 4 words of analog input data to host PLC
- Environmental Ratings: Operating temperature 0°C to +60°C; Storage temperature -40°C to +85°C; Humidity 5%–95% (non-condensing)
- Dimensions: 110 mm (4.3 in) × 66.8 mm (2.63 in) × 50 mm (1.956 in) (excluding carrier/connectors)
- Weight: Standard VersaMax module form factor; 0.15 kg (0.33 lbs)
- Module ID: FFFF9010
- Function Features:
- 4 Independent Channels: Each channel supports 3-wire or 4-wire RTDs for flexible sensor integration
- 16-Bit Resolution: 15 bits plus sign for precise temperature and resistance measurement
- Automatic Excitation Current: Module provides excitation current matching the configured RTD type, eliminating external power needs
- Comprehensive Diagnostics: Channel-specific fault detection (open RTD, short, underrange, overrange, memory, wiring, alarms) with PLC reporting
- Versatile Input Ranges: Supports multiple RTD types and direct resistance inputs (0–500 Ω, 0–3000 Ω)
- Seamless Integration: Works with VersaMax I/O carriers (IC200CHS series) for modular I/O expansion
- Status LED: OK LED (green = power, amber = fault) for quick visual diagnostics
- No External Power: Operates solely on backplane power, simplifying installation
- Application Scenarios:
- Process Temperature Monitoring: Measures temperature in chemical, oil/gas, and water treatment plants using RTD sensors for reaction vessels, pipelines, and heat exchangers
- Manufacturing Automation: Monitors equipment temperature (motors, bearings, furnaces) in automotive, packaging, and assembly lines for predictive maintenance
- Power Generation/Distribution: Tracks temperature in generator windings, transformer windings, and switchgear to prevent overheating and ensure grid reliability
- Building Automation: Controls HVAC systems by measuring duct, boiler, and chiller temperatures for energy efficiency in commercial/industrial facilities
- Material Handling: Monitors conveyor motor and bearing temperatures to prevent downtime in automated storage and logistics systems
- Food & Beverage Processing: Maintains precise temperature control in pasteurization, fermentation, and refrigeration processes using RTD sensors
- Installation & Maintenance:
- Mounting: Install on VersaMax I/O carriers (IC200CHS001/002/005/022/025) with auxiliary terminal strips (IC200TBM series) for wiring
- Configuration: Set RTD type, resistance range, and alarm thresholds via host PLC software; no on-module jumpers required
- Wiring: Use shielded cables for RTD connections; ground shields at the module end via auxiliary terminal to minimize noise
- Maintenance: No scheduled replacement parts; check OK LED for power and fault status; verify diagnostics during commissioning to ensure fault reporting works
- Replacement: Direct drop-in for IC200ALG620; retains configuration via host PLC and backplane communication







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