5466-006 - 4-20mA Input Module

SPECIFICATIONS:

Part Number: 5466-006
Manufacturer: Woodward
Product type: 4-20mA Input Module
Input Voltage: 24 Vdc
Maximum Operating Current: 12 V
Operating Temperature: -25°C to +70°C
Software Support: Modbus RTU, Modbus ASCII
Power Supply: 10 - 60 VDC
Size: 30 Cm X 20 Cm X 25 Cm
Availability: In Stock
Weight: 0.73 kgs
Country of Origin: United States (USA)

FUNCTIONAL DESCRIPTION:

5466-006 is a 4-20mA Input Module manufactured and designed by Woodward as part of the 5400 Series used in Turbine Control Systems. A 4-20mA Input Module is an essential component in industrial control systems, widely used for monitoring and controlling processes such as temperature, pressure, flow, and level measurements. It is designed to interface with sensors or transmitters that send an analog output in the form of a 4-20mA current signal. This signal represents the value of a physical variable, such as pressure or temperature, and is converted into a readable format by the input module for further processing in a control system.

FUNCTIONS:

• Standard Signal Range (4-20mA): The 4-20mA range is the industry standard for transmitting analog signals over long distances. The 4mA value typically corresponds to the minimum measurement, and 20mA represents the maximum measurement. This allows for a direct, linear relationship between the current and the physical parameter being measured.

• Signal Conversion and Processing: The input module is responsible for receiving the 4-20mA current signal and converting it into a digital or other readable form for the control system. This conversion process ensures that the signal is compatible with the system's control logic, which may include PLCs (Programmable Logic Controllers), DCS (Distributed Control Systems), or SCADA (Supervisory Control and Data Acquisition) systems.

• Process Control: In industries such as oil and gas, chemical, water treatment, and manufacturing, 4-20mA input modules are used to interface with field instruments like temperature sensors, pressure transducers, and flow meters.

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FREQUENTLY ASKED QUESTIONS:

What happens if the 4-20mA signal is outside the expected range?

If the signal falls outside the expected 4-20mA range (e.g., below 4mA or above 20mA), the input module may trigger an alarm or flag a fault. A signal below 4mA typically indicates a sensor fault, broken wiring, or other issues, while a signal above 20mA can indicate an overload or incorrect calibration.

What is the typical lifespan of a 4-20mA Input Module?

The lifespan of a 4-20mA Input Module depends on factors such as the quality of the components, operating conditions, and maintenance. Generally, these modules are built for long-term use, and with proper maintenance, they can last many years, often exceeding the typical lifespan of sensors and other components.

How do you calibrate a 4-20mA Input Module?

Calibration of a 4-20mA Input Module is typically performed by using a known reference signal or a calibrated simulator. This ensures the module processes the 4-20mA signal correctly and provides accurate data to the control system. Calibration may also involve adjusting the module settings or verifying its output with actual physical measurements.