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Woodward 5461-644 Current Output Module

Woodward 5461-644 Current Output Module

Configured for analog control signal generation and actuator positioning in turbine governor systems, the Woodward 5461-644 (5461-644 Current Output Module) provides direct physical/electrical execution. This hardware component converts internal digital...

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SKU: 5461-644
Vendor: Woodward
Category: Current Output Module
Related Series:

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Configured for analog control signal generation and actuator positioning in turbine governor systems, the Woodward 5461-644 (5461-644 Current Output Module) provides direct physical/electrical execution. This hardware component converts internal digital control words into precise 4-20 mA current loops to drive external proportional valves and actuators with high dynamic stability.

Suffix Breakdown & Model Matrix

  • 5461-644: Standard current output module configuration featuring multi-channel 4-20 mA analog drivers and galvanic isolation barriers for industrial control platforms.

Hardware Specifications

Parameter Specification
Model 5461-644
Brand Woodward
Origin USA
Weight 0.3 kg
Dimensions 20.3 cm x 2.5 cm x 22.9 cm
Operating Temp -20 deg C to +70 deg C
Power Consumption 8 W max at 24 VDC
Output Signal 4-20 mA current loop
Isolation Channel-to-channel galvanic isolation

Actuator Loop Feedback Response and Thermal Profiles

The hardware incorporates high-precision digital-to-analog converter stages and drive amplifiers optimized to minimize settling time during actuator loop feedback response tasks. Internal thermal heat sink dissipation profiles manage continuous output stage loading inside sealed industrial enclosures without active cooling fans. Built-in harmonic distortion suppression filters mitigate electromagnetic interference on the output current lines, ensuring steady valve positioning despite harsh electrical noise environments.

Frequently Asked Questions

Q: What is the maximum load resistance supported by the 4-20 mA output channels?

A: The output drivers are designed to drive standard industrial loop loads up to 750 ohms while maintaining specified signal accuracy and linearity.

Q: Are the current output channels isolated from the system backplane and power supply?

A: Yes, each channel incorporates robust galvanic isolation to prevent ground loop interference and protect internal controller logic from external field transients.

Field Installation Guidelines

  • Insert the module vertically into the designated rack slot, ensuring complete engagement with the backplane connector pins.
  • Run shielded twisted-pair cables for all 4-20 mA output loops, terminating the cable shield exclusively at the cabinet ground bar.
  • Verify loop continuity and load resistance values with a digital multimeter before connecting the output lines to active valve positioners.