Product Short Description
Technical Specifications
- Input Channels: 8 analog input channels, divided into two isolated groups of four channels each.
- Supported Signal Types:
- Current: 0–20 mA, 4–20 mA, ±20 mA
- Voltage: ±50 mV, ±150 mV, 0–5 V, 1–5 V, 0–10 V, ±10 V
- Resistance: 0–250 Ω, 500 Ω, 1000 Ω, 2000 Ω, 3000 Ω, 4000 Ω
- Thermocouples: B, C, E, J, K, N, R, S, T types
- RTDs: PT 385/3916, N 618/672, NiFe 518, CU 426
Description
- Resolution: 11 to 16 bits (dependent on configured range and A/D filter frequency).
- Sampling Rate: Up to 1000 Hz per channel (configurable filter frequencies: 8 Hz, 12 Hz, 16 Hz, 40 Hz, 200 Hz, 1000 Hz).
- Accuracy: Calibrated accuracy at 25°C (specific accuracy depends on A/D filter, data format, input noise, and ambient temperature).
- Isolation: Two isolated groups of four channels each, providing enhanced noise immunity and safety.
- Power Requirements: Maximum power consumption of 5.4 W (400 mA at 5 V, 350 mA at 3.3 V).
- Operating Temperature: 0°C to 60°C (32°F to 140°F).
- Storage Temperature: -40°C to 85°C (-40°F to 185°F).
- Dimensions: Compact design for standard RX3i rack mounting.
Functional Characteristics
- Flexible Configuration: Each channel can be independently configured for different input signal types via software (e.g., Machine Edition). No physical jumpers or switches are required.
- High Precision: Advanced A/D conversion technology ensures accurate signal acquisition, even in noisy industrial environments.
- Diagnostics and Alarms: Supports detection and reporting of open-circuit, short-circuit, high/low alarm, and high-high/low-low alarm conditions.
- Scalable Filtering: Configurable input filters allow optimization of signal response time and noise rejection based on application requirements.
- Cold Junction Compensation (CJC): Built-in CJC channels for thermocouple measurements ensure accurate temperature readings.
- LED Indicators: Module status, field status, and terminal block (TB) status LEDs provide visual feedback for diagnostics and maintenance.
- Flash Memory: Supports future firmware upgrades for enhanced functionality and compatibility.
Application Scenarios
- Industrial Automation: Used in manufacturing lines for monitoring and controlling processes involving temperature, pressure, flow, and level measurements.
- Power Generation: Monitors voltage, current, and temperature signals in power plants for efficient energy management and safety.
- Chemical Processing: Acquires data from RTDs and thermocouples in reactors and pipelines to ensure precise temperature control.
- Water Treatment: Interfaces with sensors for pH, conductivity, and turbidity measurements in wastewater treatment systems.
- Oil and Gas: Supports pressure and temperature monitoring in upstream and downstream operations for safety and optimization.
- Building Automation: Controls HVAC systems by integrating with temperature and humidity sensors for energy-efficient climate management.





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