Woodward 5437-524 Analog Field Terminal Module

The Woodward 5437-524 Analog Field Terminal Module (AFTM) is a high-performance interface designed to handle continuous analog signals in industrial control systems. It bridges the gap between field instruments and the control system, enabling precise measurement and control of analog variables such as temperature, pressure, flow, and level. The module integrates standard screw clamp terminals, ensuring secure and reliable connections for field wiring. The 37-pin connector offers flexibility in wiring configurations, allowing for easy adaptation to various industrial setups. This makes the 5437-524 an ideal solution for demanding applications that require accurate analog signal handling.

Features

The Analog Field Terminal Module (AFTM) serves as a crucial link in industrial automation, converting analog signals from field devices into digital data that can be processed by the control system. Here are the key features of the Woodward 5437-524:

• Analog Input Channels: Multiple input channels accept signals from field devices like temperature sensors, pressure transmitters, flow meters, and level sensors. These channels are capable of handling various signal types such as voltage, current, and resistance, ensuring compatibility with a broad range of instruments.

• Analog Output Channels: The module includes analog output channels that convert digital signals from the control system into analog outputs. These outputs can drive actuators or control devices in the field, providing precise control over industrial processes.

• Signal Conditioning: The built-in signal conditioning circuits amplify, filter, isolate, and linearize the incoming analog signals. This ensures that the signals from field devices are accurately processed and compatible with the control system, enabling reliable operation in challenging environments.

• High Resolution and Accuracy: The 5437-524 is designed to provide high-resolution signal conversion, minimizing noise and ensuring precise measurement and control. This capability is critical in applications requiring tight process control and accurate real-time data.

• Communication Interfaces: The module supports various communication interfaces, including Ethernet, RS-485, Profibus, Modbus, and Fieldbus protocols. These interfaces facilitate easy integration into industrial control networks, ensuring seamless communication between the field devices and control systems.

• Scalability and Expandability: The 5437-524 is scalable, allowing for additional input or output channels to be added as needed. This flexibility supports future system expansions and the addition of new field devices, making it suitable for growing industrial applications.

• Configuration and Programming Options: The module offers comprehensive configuration options, enabling users to adapt its settings and parameters to meet the specific needs of their applications. This ensures the module can be optimized for a wide range of industrial processes.

Technical Specifications

Electrical Specifications

• Power Supply Voltage:
  • Nominal: 24V DC
  • Operating Range: +18V to +32V DC
  • Power Consumption: 25 mA max at 24V DC
• Input Signal Types:
  • Current Input: 4-20 mA
  • Voltage Input: 0-10 V (configurable)
• Output Signal Types:
  • Current Output: 4-20 mA
  • Voltage Output: 0-10 V
  • Signal Resolution: 12-bit ADC/DAC conversion for high-precision output
• Input/Output Characteristics:
  • Input Range: 0-20 mA (0-10 V)
  • Output Range: 0-20 mA (0-10 V)
  • Linearity: ±0.5% of full scale
  • Hysteresis: 0.5% (Nominal)
  • Accuracy: ±1% full scale at nominal signal input
  • Signal Conditioning: Includes amplification, filtering, linearization, and galvanic isolation to prevent noise and ensure signal integrity.
• Signal Isolation:
  • Galvanic Isolation: Between input and output to minimize noise interference, providing stable communication between field devices and the control system.
• Input Impedance:
  • Voltage Inputs: >10 MΩ
  • Current Inputs: <100 Ω
• Temperature Compensation:
  • Accuracy drift: ±0.3% per °C for input signals.
• Current Consumption:
  • < 25 mA at 24V DC for module operation.

Mechanical Specifications

• Dimensions (H x W x D):
  • 150 mm x 28 mm x 106 mm (5.9 in x 1.1 in x 4.2 in)
  • Compact and suitable for installation in control panels or DIN rail mounting systems.
• Weight:
  • 300 g (0.66 lb) (approx.)
  • Lightweight, ideal for easy mounting and installation.
• Mounting Type:
  • Rack-mountable or panel-mountable
  • DIN rail mounting compatible for standard installation in industrial cabinets.
• Connector Type:
  • Screw clamp terminals for easy and secure field wiring connection.
  • DIN 41612 connectors for reliable module-to-module connections.

Environmental Specifications

• Operating Temperature:
  • -40°C to +70°C (-40°F to +158°F)
  • Suitable for use in a wide range of industrial environments, including extreme temperatures.
• Storage Temperature:
  • -40°C to +85°C (-40°F to +185°F)
  • Ensures safe storage and transport under varying environmental conditions.
• Humidity:
  • 10% to 95% RH, non-condensing
  • Able to function in environments with fluctuating moisture levels without performance degradation.
• Vibration Resistance:
  • 10-150 Hz, 2 g
  • Designed to withstand industrial-level vibrations, ensuring reliability in machinery environments.
• Protection Rating:
  • IP20
  • For use in indoor environments where the module is protected against solid objects larger than 12mm but not protected against water ingress.

Communication Interfaces

• Ethernet:

  • 10/100 Base-T connectivity for network integration and remote diagnostics.

• RS-485:

  • Serial communication interface for data transfer with control systems.

• Modbus Protocol:

  • Modbus RTU for industrial networking, enabling seamless data exchange with PLCs and other control systems.

• Profibus or Fieldbus (Optional):

  • If required, integration with Profibus or Fieldbus systems, depending on the industrial network.

• Protocol Support:

  • Modbus RTU, Modbus TCP, Ethernet/IP, Profibus, and Fieldbus (depending on the configuration).

Diagnostics and Indicators

• Status LEDs:
  • Green: Power status indicator
  • Yellow: Channel status, on when output is energized
  • Red: Fault or alarm indication, on when there’s an issue with input or output
  • LEDs for Error Reporting: Indicate specific errors such as line faults, input/output signal loss, or system malfunctions.
• Self-Diagnostics:
  • Continuous self-monitoring to ensure module health and functional integrity.
• Fault Detection:
  • Capable of detecting input line faults (open circuit, short circuit), with clear indication on the module.

Compliance and Certifications

• Safety Compliance:

  • CE, UL, CSA certifications for industrial use.

• EMC Compliance:

  • IEC 61000-6-2 (immunity for industrial environments)
  • IEC 61000-6-4 (emissions standards for industrial environments).

• Industry Certifications:

  • Certified for use in hazardous environments: Class I Div 2, Zone 2
  • ATEX certified for use in explosive atmospheres (when applicable).

• Environmental Compliance:

  • RoHS compliant, ensuring the product is free from hazardous materials.