5463-579 - 8-channel MicroNet Analog Output Module

TECHNICAL SPECIFICATIONS:

Part Number: 5463-579
Manufacturer: Woodward
Series: MicroNet
Module Type: Analog Output (AO)
Number of Channels: 8 Channels
Output Signal Range: 4�20 mA or 0�200 mA (Application Specific)
Resolution: 12-Bit
Accuracy: 0.1% of full scale
Isolation: 500 V DC
External Power: 24 V DC Required for Loop Power
Operating Temperature: -30 �C to +65 �C
Storage Temperature: -40 �C to +85 �C
Availability: In Stock
Origin: United States

FUNCTIONAL DESCRIPTION:

The 5463-579 is an 8-Channel Analog Output Module designed for the Woodward MicroNet control system. It acts as the final control interface, converting digital commands from the system CPU into precise analog current signals. These signals are used to drive field devices such as fuel valves, actuators, and current-to-pressure (I/P) converters, playing a critical role in the governing and positioning logic of turbines and large engines.

PRECISION SIGNAL GENERATION

Each of the 8 channels is equipped with a dedicated Digital-to-Analog (D/A) converter that operates with 12-bit resolution. This ensures smooth and accurate transitions in control signals, allowing for stable and precise modulation of field actuators. The module is engineered to maintain high accuracy across the full industrial temperature range, preventing signal drift that could impact the efficiency or safety of the prime mover.

ISOLATION AND FIELD INTERFACING

To ensure the integrity of the control system, the Analog Output Module provides 500 Vdc of galvanic isolation between the internal MicroNet backplane and the field-side wiring. This protective barrier isolates the central processors from electrical noise, transients, and ground loops that may occur in the field cabling. The module typically requires an external 24 VDC source to power the output loops, ensuring that the module has sufficient energy to drive high-impedance loads without taxing the internal chassis power supply.

LOOP DIAGNOSTICS AND FAULT REPORTING

The Analog Output Module features integrated diagnostic circuitry that monitors the health of each output loop. By performing a current read-back, the module can verify that the actual output current matches the commanded value. If an open circuit or a short circuit is detected in the field wiring, the module flags the specific channel and notifies the MicroNet CPU. This real-time feedback allows the system to initiate safety protocols or switch to a redundant output, significantly increasing overall system reliability.

WHY BUY FROM WOC:

World of Controls supports the continuous operation of your Woodward systems by providing the 5463-579 in both UNUSED and REBUILT conditions. Every module is subjected to rigorous validation on specialized test racks to verify the output accuracy, response time, and diagnostic functionality of all 8 channels. We maintain a large inventory of MicroNet components to support your needs during plant maintenance or unexpected hardware failures. With global shipping and 24/7 technical support, WOC is your trusted source for high-integrity industrial control solutions.

FREQUENTLY ASKED QUESTIONS:

What is the Woodward 5463-579?

The 5463-579 is an 8-channel Analog Output Module for the MicroNet control system. It takes digital commands from the CPU and converts them into 4-20 mA signals to control valves and actuators in turbine systems.

Does the Analog Output Module require external power?

Yes, the module requires an external 24 VDC power supply for the field-side loop power. This ensures that the module can drive the necessary current through the field devices and maintain the required signal strength across long cable runs.

How does the module handle a field wiring fault?

The module constantly monitors the current in each loop. If the wiring is broken (open circuit) or shorted, the module detects that the current flow is incorrect and sends a fault signal to the MicroNet CPU, which can then trigger an alarm or safe shutdown procedure.

Can the 5463-579 be used for redundant control configurations?

Yes, in many MicroNet applications, multiple Analog Output Module modules are used in redundant pairs or triplicated setups to ensure that the control signal to a critical valve is maintained even if one module or channel fails.