5464-555 - Channel Actuator Driver Module

SPECIFICATIONS

Part Number: 5464-555
Manufacturer: Woodward
Product type: Channel Actuator Driver Module
Number of Channels: 2
Update Time: 5 milliseconds
PWM Frequency: 6.14 kHz
Filter: 3 poles at 500 microseconds
Availability: In Stock
Country of Manufacture: United States (USA)

Functional Description

5464-555 is a Channel Actuator Driver Module developed by Woodward. It supports configurable output ranges of 4–20 mA or 20–160 mA, adjustable via software without requiring hardware modifications. Integrated fault detection monitors source and return currents, enabling programmatic responses like fault annunciation and disabling faulty channels. The module features a 25 Hz dither function to reduce actuator sticking caused by friction, making it compatible with Woodward TM-type actuators.

Features

• Configurable Current Output: The module supports two output ranges 4–20 mA, 20–160 mA. Configuration is achieved via application software, eliminating the need for physical jumpers or switches.
• Fault Detection and Management: Monitors both the source current and return current for fault detection. Faults at the channel or module level trigger programmatic responses, including Fault Annunciation. Channel or module disablement. Exclusion of faulty data from system calculations or control processes.
• Dither Functionality: A low-frequency 25 Hz dither signal is provided to prevent sticking caused by friction in linear actuators. Dither amplitude can be adjusted via application software to meet specific actuator requirements.
• Actuator Compatibility: Supports PWM (Proportional Only) drivers for single or dual-coil actuators. Compatible with Woodward TM-type actuators, which typically require dither functionality.

Characteristics

• Current Output Range: 4–20 mA (Max Actuator Resistance: 360 ohms). 20–160 mA (Max Actuator Resistance: 45 ohms)
• Expanded range: 0–24 mA or 0–196 mA (depending on configuration).
• Resolution: 11 bits across 25 mA or 200 mA ranges
• Accuracy: Software-calibrated to 0.2 percent of the selected range
• Temperature Drift: 125 ppm/oC (max)
• Readback Accuracy: 0.1% of the selected range
• Readback Temperature Drift: 150 ppm/oC (max)
• Readback Isolation: -60 dB CMRR, 200 Vdc common mode

Additional Features

• Isolation: 0 Vrms, ensuring electrical separation and safety.
• Real-Time Feedback: The module provides readback for actuator source and return currents, aiding diagnostics and operational precision.
• Temperature Stability: Engineered for minimal drift, maintaining accuracy across varying temperature conditions.

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Frequently Asked Questions

What is 5464-555?
It is a Channel Actuator Driver Module developed by Woodward.

What current output ranges does the module support?
The module supports two configurable ranges 4–20 mA, 20–160 mA. These can be selected through application software.

How is the configuration done?
All configurations, including output range and dither amplitude, are managed via application software, eliminating the need for physical jumpers or switches.

What is the resolution and accuracy of the output?
The module provides 11-bit resolution with a software-calibrated accuracy of 0.2 percent over the selected range.