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Product Introduction
The Ovation 1C31147G31 Pulse Accumulator Module is a high-performance input module specifically designed for precise counting and integration of high-speed pulse signals in Ovation™ distributed control systems. It captures pulses from flowmeters, turbine meters, and other frequency-based sensors, converting them into accurate, real-time data for process control and monitoring. With robust isolation, a wide input frequency range, and built-in diagnostics, the 1C31147G31 ensures dependable operation in critical industrial environments where reliability and precision are essential.
Product Parameters
| Parameter | Specification |
|---|---|
| Model Number | 1C31147G31 |
| Product Type | Pulse Accumulator Input Module |
| Input Channels | 4 high-speed pulse input channels |
| Input Signal Type | TTL/voltage pulses or dry contact |
| Input Frequency Range | 0–25 kHz typical |
| Input Voltage Range | 5–30 VDC |
| Pulse Resolution | 32-bit counter |
| Isolation | 1500 V RMS channel-to-system |
| Update Rate | 10 ms typical |
| Power Consumption | 6 W maximum |
| Communication Interface | Ovation™ redundant I/O bus |
| Operating Temperature | –20 °C to +60 °C |
| Storage Temperature | –40 °C to +85 °C |
| Relative Humidity | 5–95 % non-condensing |
| Dimensions | 152 x 107 x 38 mm |
| Weight | 0.8 kg |
| Certifications | CE, UL, CSA, ATEX Zone 2 |
Applications
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Flow Measurement – Integrates with turbine and magnetic flowmeters for accurate totalization of liquid or gas flow.
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Energy Metering – Captures pulses from electrical energy meters to calculate total power consumption.
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Batch Processing – Accumulates pulses from filling or dosing equipment for precise quantity control.
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Turbine Monitoring – Tracks rotational speed and output from turbine sensors in power generation plants.
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Water & Wastewater – Measures totalized flow in treatment plants and pumping stations.
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Industrial Automation – Counts events or machine cycles in packaging, printing, and material-handling systems.
Advantages
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High-Speed Counting – Handles input frequencies up to 25 kHz for rapid pulse accumulation.
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Four Isolated Channels – Allows simultaneous measurement of multiple independent pulse sources.
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Accurate 32-bit Resolution – Ensures precise counting over long operating periods without overflow.
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Robust Electrical Isolation – 1500 V RMS isolation protects control electronics from noise and ground faults.
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Redundant Communication – Dual Ovation™ I/O bus guarantees reliable data transfer to the controller.
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Hot-Swappable – Can be replaced without shutting down the control system, minimizing downtime.
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Wide Environmental Range – Operates reliably under extreme temperatures and high humidity.
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Comprehensive Diagnostics – Built-in self-tests provide early detection of signal or hardware issues.
FAQ
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How many pulse input channels are available on the 1C31147G31?
The module provides four individually isolated channels for independent pulse signal measurements. -
What is the maximum input frequency supported?
It can accurately process pulse signals up to 25 kHz, suitable for high-speed flowmeters and turbine sensors. -
What type of input signals can the module handle?
It accepts TTL-level voltage pulses or dry contact closures within a 5–30 VDC range. -
What is the resolution of the internal counter?
A 32-bit counter provides precise accumulation and minimizes overflow risk during long operations. -
Does the module support hot-swap replacement?
Yes, it can be inserted or removed while the Ovation system remains powered and operational. -
How is electrical isolation implemented?
Each channel provides 1500 V RMS isolation from the system bus to protect against noise and ground faults. -
What is the typical data update rate?
The module updates accumulated pulse data to the controller every 10 milliseconds for real-time control. -
Is a separate external power source required for inputs?
No, the pulse signals within the specified voltage range are directly compatible without additional power supplies. -
Can it operate in hazardous environments?
Yes, it is certified to ATEX Zone 2 and meets CE, UL, and CSA requirements for industrial installations. -
Which control systems are compatible with the 1C31147G31?
It integrates seamlessly with Emerson Ovation™ distributed control systems for power, water, and process industries.
Recommended Related Models
| Model | Description |
|---|---|
| 1C31147G01 | Standard Pulse Accumulator Module |
| 1C31147G02 | High-speed Pulse Input Module |
| 1C31147G03 | Four-channel Event Counter |
| 1C31147G04 | Dual Pulse Input/Totalizer |
| 1C31147G05 | Wide-range Frequency Counter |
| 1C31147G06 | Extended Temperature Pulse Module |
Popular Emerson/Ovation Models
| Model | Description |
|---|---|
| OC6000 Controller | Advanced Ovation process controller |
| 1C31125G02 | Analog Input Module |
| 1C31116G01 | Discrete Output Module |
| 1C31227G01 | Power Supply Module |
| 1C31150G01 | High-speed Counter Card |
| 1C31203G01 | Communication Interface Module |
