Product Short Description
Product Name: Emerson PLC Analog Input Module
Product Series: Emerson Ovation DCS & PLC Analog Module Series
Product Brief Introduction: High-precision analog input module for Emerson distributed control system (DCS) and PLC system, used for collecting on-site industrial analog process variables.
Description
- Input Channels: 8 isolated analog input channels
- Input Signal Type: 4 ~ 20 mA / 0 ~ 10 V DC configurable
- Resolution: 16-bit
- Isolation Voltage: 1500 V AC (channel to bus)
- Sampling Cycle: 100 ms per channel
Functional Features: Multi-type analog signal acquisition; channel electrical isolation; signal filtering; cold junction compensation (for thermal signal); data uploading to DCS host.
Performance Parameters:
- Operating Temperature: 0 °C ~ +70 °C
- Measurement Accuracy: ±0.1% FS
- Common Mode Rejection Ratio: ≥ 100 dB
- Storage Temperature: -40 °C ~ +85 °C
Material Composition: Industrial-grade 16-bit AD conversion chip; optocoupler isolation components; precision metal film resistors; flame-retardant PCB; metal shielding shell.
Structural Features: Standard rack-mounted module; backplane bus connection; front-side terminal wiring area; independent isolation circuit for each channel; integrated electromagnetic shielding structure.
Working Principle: Collect analog signals such as pressure, temperature, flow and liquid level from on-site transmitters, convert analog signals into digital signals via AD conversion, and transmit digital data to DCS main controller for processing, display and control.
Advantages & Highlights: High acquisition resolution and accuracy; full channel isolation for strong anti-interference; wide signal compatibility; stable operation in industrial environment; perfect matching with Emerson DCS system.
Applicable Industries: Thermal power plant, petrochemical industry, chemical engineering, water treatment plant, metallurgical process control, large-scale industrial DCS system.
Installation Requirements: Install on Emerson standard control rack; connect backplane bus tightly; classify analog signal wiring; keep away from high-frequency interference equipment.
Usage Notes: Configure signal type before power-on; do not reverse power polarity; prevent terminal water and dust ingress; perform regular signal calibration.
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