Product Overview
Precise valve positioning is critical for maintaining stable process conditions in modern industrial automation systems. The Ovation 1C31194G01 Valve Positioner is engineered to deliver accurate and responsive control of pneumatic valves within Emerson’s Ovation Distributed Control System (DCS).
This module converts electrical control signals from the DCS into proportional pneumatic pressure that drives valve actuators. Through continuous feedback and closed-loop control, it ensures that valves reach and maintain the desired position with high precision. Such capability is essential in applications where flow, pressure, or temperature must be tightly regulated.
Widely used in power plants and process industries, the module combines reliable signal conversion, durable construction, and seamless Ovation system integration to support safe and efficient plant operation.
Technical Specifications
| Parameter | Specification |
|---|
| Model Number | 1C31194G01 |
| Product Type | Valve Positioner Module |
| Control System | Ovation Distributed Control System |
| Input Signal | 4–20 mA DC control signal |
| Output Signal | Pneumatic pressure proportional to input |
| Supply Air Pressure | 35 – 150 psi (2.4 – 10.3 bar) |
| Output Pressure Range | 0 – supply pressure |
| Positioning Accuracy | ±0.5% of full scale |
| Protection Class | IP20 |
| Operating Temperature | −40°C to +70°C |
| Storage Temperature | −55°C to +85°C |
| Dimensions | 216 mm × 330 mm × 133 mm |
| Weight | Approx. 6.8 kg |
| Mounting | Compatible with Ovation control cabinets or valve assemblies |
Industrial Applications
The Ovation 1C31194G01 valve positioner is widely implemented in industries that rely on accurate valve control for process stability and equipment safety.
Typical applications include:
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Steam turbine control valves in power plants
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Boiler feedwater flow regulation
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Industrial pipeline pressure control systems
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Oil and gas processing facilities
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Chemical and petrochemical plants
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Water treatment and distribution systems
By providing stable and repeatable valve positioning, the module ensures precise process regulation and improved operational reliability.
Key Advantages
High-Precision Valve Control
Accurately converts electrical control signals into pneumatic actuator movement, ensuring stable valve positioning.
Fast Dynamic Response
Quick response to signal changes allows the process control system to maintain consistent flow and pressure conditions.
Reliable Closed-Loop Feedback
Continuous monitoring of valve position ensures the commanded position is achieved and maintained.
Seamless Ovation System Integration
Designed specifically for the Ovation DCS platform, enabling straightforward configuration and system compatibility.
Durable Industrial Construction
Built to withstand harsh environments including temperature variations and industrial vibration.
Technical FAQs
1. What is the primary function of the 1C31194G01 module?
It converts a 4–20 mA control signal into pneumatic pressure to precisely position industrial valves.
2. Which control system uses this module?
It is designed for integration within the Ovation Distributed Control System.
3. What type of valves does the module control?
It is primarily used with pneumatic control valves in process automation.
4. What is the typical supply air pressure range?
The module operates with air supply pressures between 35 and 150 psi.
5. How accurate is the valve positioning?
Typical positioning accuracy is approximately ±0.5% of the full control span.
6. Can it be used in power plant turbine systems?
Yes, it is commonly used to control turbine governor valves and feedwater valves.
7. What signal type is required from the controller?
A standard 4–20 mA analog control signal is required.
8. Does the module provide feedback to the control system?
Yes, it supports closed-loop positioning by monitoring valve movement.
9. What environmental conditions can it withstand?
It operates reliably in temperatures from −40°C to +70°C.
10. Is the module suitable for harsh industrial environments?
Yes, its rugged design ensures stable performance in demanding process industries.
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