FOXBORO P0924AS Input Module Assembly

Model: P0924AS

Brand: FOXBORO (Schneider Electric)

Series: I/A Series DCS System (FBM Series I/O Modules)

Positioning: Field analog/digital signal input acquisition module used to isolate and condition signals from field sensors and transmitters before connecting them to the DCS control system.

Core Functions

* Multi-channel signal acquisition: Single module centrally processes multiple analog (4–20mA, 0–10V, ±10V) and digital input signals.

* Electrical isolation: High isolation between channels/channel-to-system (≥2500V AC) to suppress industrial field interference.

* Signal conditioning: Built-in filtering, amplification, and level conversion to improve signal stability and accuracy.

* System access: Communicates with the FCP controller via the I/A Series backplane bus for real-time data upload.

* Diagnostics and protection: Supports channel fault, power abnormality, and signal over-limit diagnosis; built-in overcurrent/overvoltage protection.

Key Technical Specifications (for reference within the same series)

Electrical and Signal

Power Supply: 24V DC (redundancy optional)

Isolation Voltage: ≥2500V AC (1min)

Analog Input: 4–20mA, 0–10V, ±10V; Accuracy ±0.15% FS; Input Impedance 2MΩ

Digital Input: Dry contact / 24VDC wet contact; supports debouncing

Number of Channels: Typical 8–16 (depending on hardware version)

Communication: I/A Series Fieldbus (FBM backplane)

Power Consumption: Approx. 2–3W

Physical and Environmental

Installation: Standard I/A Series rack slot type

Operating Temperature: -40℃ ～ +70℃

Humidity: 5%–95% RH (non-condensing)

Protection: PCB conformal coating, suitable for G3 industrial environments

Certifications: CE, UL, CSA, IEC 61508 (SIL 2 optional)

Compatible Systems and Applications

Compatible Systems: FOXBORO I/A Series and Evo DCS Application Scenarios: Process industries such as petrochemicals, power generation, metallurgy, papermaking, and pharmaceuticals; Acquisition of process parameters such as temperature, pressure, flow rate, and liquid level; Industrial signal access scenarios requiring high reliability and high isolation.

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