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Part Number: 5464-646
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)
5464-646 is a 2 Channel Actuator Driver Module developed by Woodward. The module provides two independent outputs, with a maximum range of 0 to 25 mA DC or 0 to 200 mA DC. The system writes output values to dual-port memory via the VME-bus interface, enabling precise control and communication between the module and the CPU. The embedded microcontroller within the module uses calibration constants stored in EEPROM to scale the output values accordingly, ensuring the correct signal is generated at the proper time.
The module is an embedded microcontroller responsible for scaling the output values. The microcontroller uses calibration constants stored in the EEPROM to ensure accurate signal generation. These constants allow the module to adjust the digital information received from the CPU, delivering the correct proportional signals to the actuator at the right time. This precise scaling ensures the actuator operates as expected in response to system commands.
The module features continuous monitoring of output voltage and current for each channel. The microcontroller actively checks for any abnormalities or faults in the output, providing real-time diagnostics. In the event of a fault, such as an issue with the channel or connected load, the system alerts the operator. Additionally, the module is designed to disable current drivers on individual channels when a fault is detected, preventing further damage to the system.
To ensure quick identification of issues, the module includes a FAULT LED that illuminates whenever a fault is detected. This visual indication alerts operators to a problem within the module, prompting immediate investigation and troubleshooting. The ability to disable the current drivers also ensures that the system can continue to function despite a fault, reducing downtime and maintaining overall system stability.
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What is 5464-646?
It is a Channel Actuator Driver Module developed by Woodward.
How does the module handle signal scaling?
The module’s embedded microcontroller scales the output values using calibration constants stored in EEPROM. This ensures that the generated signals are accurately calibrated for proper actuator control.
What type of fault detection does the module provide?
The module continuously monitors the output voltage and current of each channel. If a fault is detected, such as an issue with the channel or load, the system alerts the operator. The current drivers can also be individually disabled in the case of a fault.
How does the system indicate a fault?
When a fault is detected, the FAULT LED on the module will illuminate, indicating the presence of a problem. This provides an immediate visual cue for operators to troubleshoot the issue.
