5461-880 - 8-channel MicroNet Analog Output (0�20 mA) Module

TECHNICAL SPECIFICATIONS:

Part Number: 5461-880
Manufacturer: Woodward
Series: MicroNet / MicroNet Plus
Module Type: Analog Output (AO)
Number of Channels: 8 Channels
Output Range: 0–20 mA or 4–20 mA (Software Configurable)
Resolution: 12-Bit
Accuracy: 0.1% of full scale
Max Load Resistance: 600 Ohms
Isolation: 500 Vdc
Operating Temp: -30 °C to +65 °C
Availability: In Stock
Origin: United States

FUNCTIONAL DESCRIPTION:

The 5461-880 is an 8-Channel Analog Output Module engineered for the Woodward MicroNet and MicroNet Plus control platforms. This module acts as a critical link between the system's digital processing logic and field-side analog devices. It is primarily used to provide proportional command signals to fuel valves, positioners, and various motor-driven actuators that require a standard 4–20 mA current loop for operation.

HIGH-PRECISION CONTROL INTERFACE

Each of the 8 independent channels is designed to deliver stable, high-resolution current signals. With 12-bit resolution and an accuracy of 0.1% of full scale, the MicroNet Analog Output (0–20 mA) Module ensures that the governor’s commands are translated into precise physical adjustments. This level of accuracy is essential for maintaining optimal turbine performance, load stability, and emission levels in complex industrial environments.

ELECTRICAL INTEGRITY AND ISOLATION

To protect the core MicroNet architecture from the harsh electrical conditions of the field, the MicroNet Analog Output (0–20 mA) Module features 500 Vdc of galvanic isolation. This barrier separates the field wiring loops from the internal backplane, effectively preventing ground loops and protecting the CPU from electrical transients. The module is designed to drive loads up to 600 Ohms, making it compatible with a broad range of industrial receivers and actuators.

CONTINUOUS DIAGNOSTICS AND RELIABILITY

The 5461-880 is fully integrated into the Woodward self-diagnostic framework. The module continuously monitors its own internal digital-to-analog converters (DACs) and output circuitry. If an internal hardware failure is detected or if the module loses communication with the CPU, the outputs can be configured to hold their last value or transition to a predefined safe state. This failsafe capability is vital for protecting high-value equipment during unforeseen system disruptions.

WHY BUY FROM WOC:

World of Controls supports the longevity of your Woodward infrastructure by providing the MicroNet Analog Output (0–20 mA) Module in both UNUSED and REBUILT conditions. Every output module is rigorously tested on specialized MicroNet test benches to verify current accuracy, response time, and isolation across all 8 channels. Backed by our extensive inventory and global support network, WOC is your trusted partner for maintaining reliable control system performance.

FREQUENTLY ASKED QUESTIONS:

What is the Woodward 5461-880?

The 5461-880 is an 8-channel Analog Output module for MicroNet systems. It provides the 4–20 mA signals necessary to control various proportional field devices like valves and positioners.

Can the output range be adjusted?

Yes, the module is software-configurable to support either 0–20 mA or the standard 4–20 mA industrial current range, depending on your field devices' requirements.

How does the module handle a communication failure with the CPU?

The module features configurable failsafe modes. Upon loss of communication, it can be set to either hold the last commanded value or move the output to a safe zero state.

Is this module compatible with MicroNet Plus racks?

Yes, the 5461-880 is fully compatible with both the original MicroNet Simplex and the enhanced MicroNet Plus chassis architectures.