5503-279 Woodward MicroNet Series Datasheet & Technical Manual

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Woodward 5503-279 MicroNet Series The Woodward 5503-279, also cataloged as the 5503-279 High-Density Versatile Input Module, operates as a dedicated...

SKU: 5503-279

Manufacturer: Woodward
Product No.: 5503-279
Product Type: Analog Input Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 1500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Woodward 5503-279 MicroNet Series

The Woodward 5503-279, also cataloged as the 5503-279 High-Density Versatile Input Module, operates as a dedicated hardware component for multi-channel analog, digital, thermocouple, and RTD signal conditioning within MicroNet and MicroNet Plus control platforms.

Hardware Specifications

Parameter	Specification
Model	5503-279
Brand	Woodward
Origin	USA
Weight	1.5 - 1.82 kg
Dimensions	160 x 160 x 120 mm / 273.6 x 214.1 x 59.2 mm (dependent on chassis variant)
Operating Temp	-40 to +70 deg C
Power Consumption	8 W
Input Channels	32 configurable channels
Analog Inputs	Up to 34 channels (0-10 VDC, +/-10 VDC, 4-20 mA, 0-20 mA)
Thermocouple Inputs	24 channels with cold junction compensation
RTD Inputs	10 channels (2-wire, 3-wire, or 4-wire configuration)
Resolution	12-bit typical for analog circuits
Isolation	Channel-to-channel and channel-to-system isolation groups
Response Time	Digital < 1 ms; Analog < 5 ms
Communication	VME bus interface to CPU boards
Certifications	CE, UL

Industrial Drives & Speed Governor Technical Profiles

The module integrates specialized circuit Topologies to maintain signal integrity during dynamic actuator loop feedback response tasks. Hardware-driven processing filters high-frequency noise from primary valve actuators and governor loops before data serialization occurs over the VME backplane. Dedicated thermal heat sink dissipation profiles prevent drift across the analog-to-digital converter (ADC) multiplexer components when operating under high channel density conditions and sudden ambient load shifts.

Frequently Asked Questions

Q: Does the module support hot-swap procedures during active turbine operation?

A: Yes. The hardware contains sequencing pins that limit inrush current, allowing hot-swap replacement within a powered MicroNet chassis without interrupting active system processing.

Q: How is cold junction compensation handled for the thermocouple channels?

A: Cold junction compensation is executed via integrated hardware sensors located on the field terminal block assembly, ensuring physical temperature fluctuations at the termination point do not skew the millivolt linearization matrix.

Q: What action occurs if an input signal exceeds the programmed limits?

A: The module triggers internal out-of-range diagnostics, illuminates the corresponding front-panel fault LED, and transmits an error byte over the VME bus to prompt deterministic fail-safe handling at the CPU level.

Field Installation Guidelines

Chassis Orientation: Secure the module firmly into the designated MicroNet VME slot, ensuring full engagement of the top and bottom injector/ejector handles to maintain continuous grounding to the subrack chassis.
Shielding Regulations: All analog, RTD, and thermocouple field wiring must utilize twisted, individually shielded pairs. Ground the shields only at the specified chassis ground point on the control enclosure wall to eliminate ground loops.
Wiring Separation: Route low-voltage signal wires (0-10 VDC, 4-20 mA) through separate wire ducts isolated from high-voltage AC power distribution circuits and inductive motor control cables.
Screw Terminal Torque: Tighten all field terminal block screws to the standard engineering torque specification for the specific terminal block variant to prevent high-resistance connections or signal dropouts caused by field vibration.

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