Product Overview
Precision valve control is essential for safe and efficient industrial process management. The Ovation 1C31194G02 Valve Positioner Module is an advanced control solution designed for Emerson Ovation Distributed Control Systems (DCS). It translates electronic control signals into proportional pneumatic output, enabling accurate and reliable valve positioning for critical process applications.
Engineered for demanding industrial environments, the 1C31194G02 provides fast response, high accuracy, and robust diagnostics. This ensures optimal performance in systems where flow, pressure, and temperature must be tightly regulated, including steam turbines, feedwater systems, and chemical process pipelines. Its compatibility with the Ovation DCS simplifies integration, configuration, and ongoing maintenance.
Technical Specifications
| Parameter | Specification |
|---|
| Model Number | 1C31194G02 |
| Product Type | Valve Positioner Module |
| Control System | Ovation Distributed Control System |
| Input Signal | 4–20 mA DC control |
| Output | Pneumatic pressure proportional to input |
| Supply Air Pressure | 35 – 150 psi (2.4 – 10.3 bar) |
| Output Pressure Range | 0 – supply pressure |
| Positioning Accuracy | ±0.25% of full scale |
| Feedback Type | Integrated valve position feedback |
| Operating Temperature | −40°C to +70°C |
| Storage Temperature | −55°C to +85°C |
| Mounting | Panel or cabinet mounting |
| Dimensions | 220 mm × 340 mm × 140 mm |
| Weight | Approx. 7 kg |
| Protection Rating | IP20 |
Applications
The 1C31194G02 is suitable for industrial applications requiring precise and repeatable valve control:
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Steam turbine governor valves in power generation plants
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Boiler feedwater control systems
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Industrial pipeline flow and pressure regulation
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Oil, gas, and petrochemical plant valve control
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Water treatment and distribution networks
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Chemical process reactors requiring accurate valve modulation
This module improves process stability, reduces valve wear, and enhances overall plant safety.
Key Advantages
High-Precision Control
Maintains valve position within ±0.25% of full scale for highly accurate process regulation.
Rapid Dynamic Response
Fast signal conversion enables immediate adjustment of valve position, supporting tight process control.
Closed-Loop Feedback
Integrated position sensing ensures the valve reaches and maintains the desired position.
Ovation DCS Compatibility
Plug-and-play integration with Ovation control systems simplifies installation and configuration.
Rugged Industrial Design
Engineered for high reliability in temperature fluctuations, vibration, and electrical noise typical of industrial environments.
Technical FAQs
1. What is the primary function of the 1C31194G02?
It converts 4–20 mA control signals from the DCS into proportional pneumatic output to position valves accurately.
2. What valves are compatible with this module?
Pneumatic control valves used in power plants, process pipelines, and industrial systems.
3. What is the supply air pressure requirement?
35 – 150 psi (2.4 – 10.3 bar).
4. How precise is the valve positioning?
The module achieves ±0.25% full-scale positioning accuracy.
5. Does the module provide feedback to the control system?
Yes, integrated position feedback ensures closed-loop control.
6. Can it operate in harsh environments?
Yes, it functions reliably in temperatures from −40°C to +70°C with IP20 protection.
7. What is the difference between 1C31194G01 and 1C31194G02?
The G02 offers improved positioning accuracy and enhanced feedback capabilities.
8. What mounting options are available?
Panel or cabinet mounting compatible with Ovation systems.
9. Does it support quick response for dynamic processes?
Yes, the module provides fast signal conversion and actuator response.
10. Is it suitable for power plant turbine control?
Yes, widely used for turbine governor valves and feedwater valve control.
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