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The Woodward 5501-367 is a precision analog interface module designed for the MicroNet and MicroNet Plus control platforms. This module acts as a critical bridge between the digital processing core and field instrumentation, enabling the acquisition...
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The Woodward 5501-367 is a precision analog interface module designed for the MicroNet and MicroNet Plus control platforms. This module acts as a critical bridge between the digital processing core and field instrumentation, enabling the acquisition of sensor data and execution of actuator commands simultaneously. It is specifically engineered for high-speed turbine control loops, where signal latency and resolution are crucial for system stability and fuel efficiency.
Unlike standard industrial I/O modules, the 5501-367 features advanced galvanic isolation and filtering to eliminate ground loop interference in complex power generation environments. Each channel is individually calibrated to maintain high linearity across the entire signal range, supporting a variety of current-loop and voltage-based transducers. The module is optimized for the MicroNet backplane, allowing for seamless hot-swapping and automatic configuration during system maintenance.
| Specification | Details |
|---|---|
| Model Number | 5501-367 |
| Module Function | Analog Input/Output (I/O) Expansion |
| Input Channels | Multiple 4–20 mA or 0–5 VDC configurable inputs |
| Output Channels | 4–20 mA proportional outputs for actuator and valve control |
| Signal Resolution | 12-bit to 16-bit (Configuration dependent) |
| Isolation Voltage | Field-to-Logic isolation rated for 500 Vrms |
| Update Rate | Synchronized with MicroNet CPU task cycles (typically 5ms to 10ms) |
| On-board Diagnostics | Continuous monitoring for open loops and out-of-range signals |
| Dimensions | 2.2 cm x 12.4 cm x 12.6 cm |
| Weight | 0.3 kg |
The 5501-367 is primarily deployed in gas and steam turbine management systems where it monitors critical parameters like exhaust temperatures, fuel pressures, and valve positions. It is also frequently used in large-scale compressor control trains to manage anti-surge valve modulation.
Yes, the 5501-367 is versatile and can support both current and voltage signals. Specific channel types are determined by jumper settings on the module or software configuration in the Woodward GAP® environment.
Yes, the 5501-367 is fully compatible with both Simplex and Plus chassis architectures, supporting redundant I/O configurations for high-reliability applications.
The module reports status bits to the CPU for every channel, identifying fault conditions such as current loop breaks (4mA underflow) or sensor saturation.
