Description
Product Overview
The ABB P8403 is a high-density 8-channel analog input module designed for the ABB AC 800M distributed control system. It provides high-resolution signal acquisition for critical process variables such as pressure, flow, temperature, and level. Each channel can be software-configured for voltage or current input, and the module features channel-to-channel and channel-to-backplane isolation to ensure signal integrity in electrically noisy industrial environments.
Parameter Values
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Product Model: P8403
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Brand: ABB
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Warranty: One Year
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Input Voltage: 24 V DC
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Number of Channels: 8 differential analog inputs
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Supported Signal Types: ±10 V, 0–10 V, 0–20 mA, 4–20 mA
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Resolution: 16-bit A/D conversion
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Accuracy: ±0.1% of full scale (typical at 25 °C)
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Input Impedance: > 200 kΩ (voltage mode), 250 Ω (current mode, nominal)
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Isolation: 500 Vrms channel-to-channel and channel-to-backplane
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Update Rate: 2 ms per channel
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Common Mode Rejection Ratio (CMRR): > 60 dB (typical)
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Noise Rejection: Built-in filtering for 50/60 Hz interference
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Operating Temperature: 0 °C to +60 °C
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Storage Temperature: –40 °C to +85 °C
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Relative Humidity: 5–95% non-condensing
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Protection Class: IP20 (when mounted in cabinet / on baseplate)
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Mounting: Plugs into ABB AC 800M I/O base units (e.g., TB840, TB850)
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Dimensions: Approx. 25 mm × 100 mm × 120 mm (W×H×D, per module)
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Weight: Approx. 0.15 kg
Application Scenarios
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Water & Wastewater: P8403 Collects 4–20 mA signals from level transmitters, pH probes, and flow meters across multiple tanks and treatment stages.
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Power Generation: Interfaces with pressure and temperature transmitters for boiler and turbine monitoring, supporting safe and efficient plant operation.
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Chemical & Petrochemical: Acquires analog signals from reactor and pipeline instrumentation for precise process control and regulatory compliance.
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OEM Skid Integration: Enables packaged equipment (e.g., CIP skids, compressors) to connect to a central AC 800M DCS via a compact and versatile I/O solution.
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