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Product Introduction
The Woodward 5503-279 High Density Versatile Input Module is a precision-engineered input module designed for use within the MicroNet™ and MicroNet Plus control platforms. As part of Woodward’s modular I/O system, the 5503-279 provides flexible and reliable input signal interfacing for a wide variety of industrial control applications.
This module offers high-density channel capacity and supports a broad spectrum of input types—including discrete (digital), voltage, and current signals—allowing it to interface with numerous field devices in a single compact footprint. The 5503-279 is widely used in demanding industries such as energy, petrochemicals, marine propulsion, and process automation, where reliability, signal integrity, and real-time performance are critical.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 5503-279 |
| Module Type | High Density Versatile Input Module |
| Supported Input Types | Discrete (digital), analog voltage, analog current |
| Input Channel Count | 32 channels (configurable per type) |
| Voltage Input Range | 0–10 VDC, ±10 VDC |
| Current Input Range | 4–20 mA, 0–20 mA |
| Logic Signal Support | TTL, 24 VDC, dry contact |
| Resolution | 12-bit (typical for analog input channels) |
| Input Isolation | Channel-to-channel and channel-to-ground isolation |
| Diagnostics | Open wire detection, over/under range alert |
| Hot-Swappable | Yes |
| Compatible Chassis | MicroNet and MicroNet Plus rack systems |
| Response Time | <1 ms typical for digital inputs, <5 ms for analog inputs |
| Power Consumption | Approx. 8 W |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Mounting Method | Rack-mounted |
| Dimensions (W x H x D) | 160 x 160 x 120 mm |
| Weight | 1.82 kg |
Product Applications
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Turbine Control Systems (Steam, Gas, Hydro)
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Engine and Generator Control
-
Compressor and Pump Automation
-
SCADA and Process Monitoring
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Oil & Gas Field Automation
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Marine and Offshore Control Panels
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Power Generation and Distribution Networks
-
Critical Infrastructure Monitoring
Product Advantages
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High Input Channel Density
With 32 configurable input channels, the module reduces hardware footprint while increasing system efficiency. -
Versatile Signal Compatibility
Supports both analog and digital inputs including voltage and current loop signals, allowing broad sensor connectivity. -
Hot-Swappable Design
Enables maintenance or replacement without system downtime, improving system availability and reducing maintenance effort. -
Advanced Diagnostics
Built-in diagnostic capabilities such as open wire detection and range alerts provide early fault identification. -
Industrial-Grade Reliability
Designed to operate in harsh environments with wide temperature tolerances and vibration resistance. -
Modular Architecture
Seamlessly integrates into the MicroNet and MicroNet Plus systems, enabling scalable expansion and flexible system design. -
Signal Isolation
Each channel offers isolation, reducing noise and preventing interference from high-voltage transients.
FAQ
-
How many input channels does the 5503-279 module support?
It supports up to 32 individually configurable input channels. -
What types of signals can be connected to this input module?
The module accepts discrete (digital), analog voltage, and analog current inputs. -
Is the module hot-swappable in a running system?
Yes, the module can be hot-swapped when used within supported chassis platforms. -
Does it support open-wire detection for analog inputs?
Yes, the module includes open wire detection and out-of-range diagnostics. -
Can I mix signal types on a single module (analog and digital)?
Yes, each channel is individually configurable, allowing a mix of signal types. -
What is the input resolution for analog signals?
The analog inputs typically support 12-bit resolution for accurate measurement. -
How is channel-to-channel isolation implemented?
The module features galvanic isolation between input channels and between inputs and the system bus. -
What is the typical input response time for digital signals?
Digital inputs have a response time of less than 1 millisecond. -
Can the module interface with 4–20 mA loop-powered sensors?
Yes, the current input channels are compatible with 4–20 mA industrial sensors. -
What diagnostics features are available in the module?
The module supports diagnostics such as over/under range detection, open-circuit alert, and internal fault status reporting.
Related Models (Same Series or Application Family)
| Model Number | Description | Input/Output Type | Channel Count | Special Feature |
|---|---|---|---|---|
| 5503-280 | High Density Versatile Output Module | Analog/Digital Output | 32 | Supports mixed-output signal types |
| 5503-281 | Isolated Digital Input Module | Discrete Input | 32 | Channel-to-channel isolation |
| 5503-278 | Analog Input Module (High Resolution) | Analog Input | 16 | 16-bit resolution, voltage/current |
| 5503-275 | Thermocouple Input Module | Temperature Input | 16 | Supports multiple thermocouple types |
| 5503-277 | RTD Input Module | RTD Temperature Input | 16 | Supports 2/3/4-wire RTDs |
| 5503-284 | Pulse Input Module | Pulse/Frequency Input | 8 | Designed for speed sensor interfacing |
Popular Models from the Same Brand (Woodward)
| Model Number | Description | Application Area | Key Features |
|---|---|---|---|
| 505XT | Digital Steam Turbine Controller | Steam Turbine Control | Fast startup, redundant support |
| Flex500 | Modular Control System | Process Automation | Scalable, multi-protocol communication |
| 2301E | Speed & Load Sharing Controller | Generator/Engine Control | Flexible PID control, analog I/O |
| 9905-940 | Synchronizer and Load Control | Power Systems | Auto synchronizing and load sharing |
| Atlas-II | High-performance Programmable Controller | Turbine/Compressor Control | Multi-loop PID, IEC 61131-3 programming |
| Peak150 | Microprocessor Speed Controller | Gas/Diesel Engines | Field-programmable, compact design |
