Woodward 8237-1604

Product Introduction
The Woodward 8237-1604 is a precision analog input module for the ProTech-SX safety system. It provides high-accuracy measurement of process variables with built-in diagnostics for reliable safety monitoring.

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Description

Woodward 8237-1604

Technical Specifications

  • Part Number: 8237-1604
  • Input Range: 4-20 mA, 0-10 V, or RTD
  • Resolution: 16-bit
  • Channels: 4 isolated inputs

Functional Features

  • Multi-Range: Configurable for current, voltage, or temperature inputs.
  • Wire Break Detection: Identifies open sensor circuits.
  • Range Checking: Flags out-of-range conditions for diagnostics.

Application Scenarios
Monitoring bearing temperatures, lube oil pressure, and vibration levels for turbine protection.

Performance Parameters

  • Accuracy: ±0.05% of span.
  • Update Rate: 10 ms per channel.

Material Composition
Precision analog front-end with low-drift components and galvanic isolation.

Structural Characteristics

  • Configuration: DIP switches or software-selectable input type.
  • Terminal Block: Removable spring-clamp terminals.

Working Principle
Conditions and digitizes analog signals, applies linearization and filtering, then transmits validated values to the voting processor. Continuous self-tests verify measurement integrity.

Installation Requirements

  • Sensor Wiring: Use proper wire type and gauge for signal type.
  • Shielding: Ground shields at module end only.

Usage Precautions

  • Input Type: Verify DIP switch settings match connected sensor type.
  • Calibration: Perform span calibration with traceable standards.