5461-117 - 10-channel MicroNet Analog Input Module (4�20 mA)

TECHNICAL SPECIFICATIONS:

Part Number: 5461-117
Manufacturer: Woodward
Series: MicroNet / MicroNet Plus
Module Type: Analog Input (AI)
Number of Channels: 10 Channels
Input Range: 4–20 mA or 0–5 VDC
Resolution: 14-Bit
Input Impedance: 250 Ohms (Current mode)
Accuracy: 0.1% of full scale
Isolation: 500 Vdc
Operating Temp: -30 °C to +65 °C
Availability: In Stock
Origin: United States

FUNCTIONAL DESCRIPTION:

The 5461-117 is a 10-Channel Analog Input Module designed for the Woodward MicroNet and MicroNet Plus control platforms. This module functions as a primary interface for high-level analog signals, commonly used to monitor pressure transmitters, fuel valve positions, and actuator feedback. By converting standard industrial 4–20 mA signals into digital data, the 5461-117 provides the precise feedback necessary for the control system to maintain stable turbine speed, load management, and process control.

VERSATILE SIGNAL PROCESSING

The module features 10 independent channels, each capable of processing standard 4–20 mA current loops or 0–5 VDC voltage signals. With 14-bit resolution, the Analog Input Module ensures high-fidelity signal reproduction, allowing the governor software to detect minute changes in field conditions. This versatility makes it a standard component in both Simplex and Redundant MicroNet configurations, where accurate sensor feedback is paramount for operational efficiency.

ELECTRICAL ISOLATION AND RELIABILITY

To safeguard the MicroNet backplane and sensitive central processing units, the Analog Input Module provides 500 Vdc of galvanic isolation. This protective barrier isolates field-side electrical noise, transients, and potential ground loops from the control logic. The module is built to withstand harsh industrial environments, maintaining its 0.1% accuracy across a wide operating temperature range, ensuring consistent performance in power generation and marine applications.

ADVANCED DIAGNOSTICS AND FAULT TOLERANCE

The Analog Input Module features continuous self-diagnostics. The module monitors the integrity of its internal Analog-to-Digital Converters (ADCs) and checks for out-of-range signals (e.g., wire-break detection for 4–20 mA loops). If a hardware fault or signal loss is detected, the module immediately flags the error to the CPU, allowing the system to initiate appropriate safety interlocks or switch to redundant sensors.

WHY BUY FROM WOC:

World of Controls supports your Woodward infrastructure with a consistent supply of 5461-117 modules in UNUSED and REBUILT conditions. Each module undergoes rigorous functional verification and loop testing on specialized MicroNet benches to ensure every channel meets factory calibration standards. With our global distribution network and 24/7 technical support, WOC ensures your facility maintains peak uptime and reliability.

FREQUENTLY ASKED QUESTIONS:

What is the Woodward 5461-117?

The 5461-117 is a 10-channel Analog Input (AI) module designed for the Woodward MicroNet and MicroNet Plus control systems. It is utilized to interface with field-level sensors, converting high-level analog signals such as pressure, temperature, or position into digital data for the system's central processor.

Can this module handle both voltage and current inputs?

Yes, the Analog Input Module is designed to accept 4–20 mA current signals or 0–5 VDC voltage signals, depending on the field wiring and software configuration.

How does the module handle a broken wire in the field?

When configured for 4–20 mA, the module can detect under-range conditions. If the signal drops below 4 mA (indicating a possible wire break), the internal diagnostics report a fault to the control system.

Does this module require periodic calibration?

While the module is factory-calibrated for high accuracy, it is recommended to verify the input loops during scheduled plant turnarounds using a calibrated signal simulator to ensure end-to-end system precision.