Functional Overview
Accurate speed monitoring is essential for protecting turbines, compressors, and other rotating equipment in industrial environments. The Ovation 1C31192G01 Speed Detector Module is designed to provide high-precision rotational speed measurement for Emerson’s Ovation Distributed Control System (DCS).
This module receives signals from speed sensors and converts them into digital frequency data that the controller can analyze in real time. It supports both high-resolution and fast-response speed outputs, allowing control systems to detect overspeed conditions while maintaining stable speed regulation.
Integrated with Ovation turbine control architectures, the module enhances equipment safety, improves operational reliability, and enables advanced monitoring strategies for critical rotating machinery.
Technical Specifications
| Parameter | Specification |
|---|
| Model Number | 1C31192G01 |
| Product Type | Speed Detector Module |
| System Platform | Ovation Distributed Control System |
| Sensor Interface | Single speed sensor input |
| Input Frequency Range (32-bit) | 0.72 Hz – 65,535 Hz |
| Input Frequency Range (16-bit) | 200 Hz – 51,200 Hz |
| Speed Measurement Resolution | 32-bit: 1/65535 Hz; 16-bit: 1 Hz |
| Measurement Accuracy | Up to ±0.0033% of sensor frequency |
| Update Rate | 16-bit speed output every 5 ms |
| Input Impedance | 50 kΩ differential |
| Maximum Input Voltage | 140 VAC rms or 150 VDC |
| Power Consumption | Typical 4.8 W, maximum 6.25 W |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | −40°C to 85°C |
| Relative Humidity | 0–95% non-condensing |
| Dimensions | Approx. 100 mm × 100 mm × 45 mm |
| Weight | Approx. 0.35 kg |
Typical Applications
The 1C31192G01 module is commonly deployed in industries that rely on precise speed measurement for rotating machinery and turbine control.
Typical application areas include:
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Steam and gas turbine control systems
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Power generation plants
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Compressor monitoring in oil & gas facilities
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Pump speed monitoring in water treatment plants
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Generator speed measurement systems
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Heavy manufacturing and rotating equipment diagnostics
In these environments, the module ensures accurate feedback for protective control logic and process optimization.
Core Advantages
High-Resolution Speed Measurement
Supports both 16-bit and 32-bit outputs, enabling precise monitoring across a wide frequency range.
Fast Overspeed Detection
A 5-millisecond update rate enables quick response to overspeed conditions and equipment protection events.
Reliable Sensor Interface
Designed to accept signals from various speed sensors such as magnetic pickups and tachometers.
Seamless Ovation Integration
Optimized for use with Ovation controller architectures, simplifying configuration and system deployment.
Industrial-Grade Stability
Engineered to maintain consistent performance in demanding industrial environments with electrical noise and temperature variations.
Technical FAQs
1. What is the primary function of the 1C31192G01 module?
It measures the rotational speed of machinery by processing signals from a speed sensor and sending frequency data to the Ovation controller.
2. How many sensors can the module connect to?
The module supports one speed sensor input channel.
3. What frequency range can it measure?
It supports measurement ranges from approximately 0.72 Hz up to 65,535 Hz depending on output resolution.
4. What is the difference between 16-bit and 32-bit speed outputs?
The 16-bit output provides faster updates for overspeed detection, while the 32-bit output offers higher resolution for speed regulation.
5. What is the typical update rate for speed output?
The 16-bit speed output updates every 5 milliseconds.
6. Can the module detect overspeed conditions?
Yes, it is designed to support protective logic such as overspeed detection and trip relay activation.
7. What type of signals does the module accept?
It processes sinusoidal or pulse-train signals generated by speed sensors.
8. What power consumption should be expected?
Typical power consumption is about 4.8 W.
9. What is the operating temperature range?
The module operates reliably between 0°C and 60°C.
10. Which Ovation modules are typically paired with this personality module?
It is commonly used together with speed detector electronics modules such as 1C31189 series units.
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