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Product Introduction
The Yokogawa SEA4D-11 Analog Terminal Board is a critical interface component designed for Yokogawa’s CENTUM and ProSafe-RS control systems. It serves as a reliable analog input/output terminal board, facilitating smooth and accurate signal transmission between field instruments and the control system. The SEA4D-11 is engineered to ensure robust performance under demanding industrial environments, providing users with stable and precise analog data acquisition and control capabilities.
Its modular design and compatibility with a wide range of analog signals make the SEA4D-11 a versatile solution for process automation, enabling efficient integration with various measurement and control devices.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | SEA4D-11 |
| Function | Analog Input/Output Terminal Board |
| Signal Type | Analog (4-20mA, Voltage, Resistance) |
| Mounting Type | Rack-mounted |
| Power Supply | 24 VDC (typical for control racks) |
| Communication Interface | Backplane bus of the control system |
| Input Channels | Multiple analog inputs supported |
| Output Channels | Multiple analog outputs supported |
| Response Time | Typically less than 10 ms |
| Operating Temperature | -10°C to 55°C |
| Storage Temperature | -25°C to 70°C |
| Relative Humidity | 10% to 90% (non-condensing) |
| Dimensions (W x H x D) | 482.6 x 88.1 x 85 mm |
| Weight | 1.5 kg |
| Certification | CE, UL (depending on configuration) |
Applications
The SEA4D-11 Analog Terminal Board is widely applied in various industrial sectors including:
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Oil and Gas: For precise monitoring and control of flow, pressure, and temperature in upstream and downstream processes.
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Power Generation: To control turbine parameters and monitor generator performance.
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Chemical Processing: For safe and accurate analog signal integration in complex chemical production lines.
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Pharmaceuticals: Ensures accurate measurement and control of critical process parameters for quality compliance.
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Water & Wastewater Treatment: Facilitates monitoring of water quality parameters and control of treatment processes.
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Manufacturing: Used in various automated control systems requiring reliable analog signal management.
Advantages
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High Accuracy: Provides precise analog signal measurement and output ensuring reliable control.
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Robust Build: Designed to withstand industrial environmental stresses, including vibration and temperature fluctuations.
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Easy Integration: Fully compatible with Yokogawa’s DCS and safety systems, simplifying system design and maintenance.
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Modular Design: Allows flexible expansion and easy replacement without affecting system uptime.
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Fast Response Time: Enables real-time process monitoring and control.
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Reliable Signal Transmission: Minimizes signal loss or distortion with stable internal circuitry.
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Wide Operating Range: Suitable for diverse industrial environments.
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Safety Certified: Meets global safety and quality standards, enhancing operational confidence.
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Low Maintenance: Durable construction reduces downtime and maintenance costs.
Frequently Asked Questions (FAQ)
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What type of analog signals does the SEA4D-11 support?
The SEA4D-11 supports various analog signals including 4-20mA current, voltage signals, and resistance inputs. -
Can the terminal board be used in hazardous environments?
Yes, with the appropriate certification and installation in suitable enclosures, it can be used in hazardous areas. -
What is the typical response time of the SEA4D-11?
The response time is generally less than 10 milliseconds, ensuring fast process control. -
Is the SEA4D-11 compatible with Yokogawa’s ProSafe-RS safety system?
Yes, it is designed to integrate seamlessly with ProSafe-RS and other Yokogawa control systems. -
What maintenance is required for the SEA4D-11?
The device is designed for low maintenance; periodic inspection and cleaning of connectors are recommended. -
How do I replace a faulty SEA4D-11 module?
The modular design allows hot-swapping in many cases, but always follow system shutdown procedures as per manual. -
What are the power supply requirements?
It typically requires a 24 VDC power supply available from the control rack. -
What environmental conditions can the SEA4D-11 operate under?
It operates reliably from -10°C to 55°C and in relative humidity up to 90%, non-condensing. -
Are there any specific certifications for the SEA4D-11?
Yes, it often carries CE and UL certifications, depending on the region and configuration. -
Can the SEA4D-11 handle both input and output analog signals simultaneously?
Yes, it is designed to handle multiple input and output analog channels depending on the system configuration.
Recommended Similar Models (Same Series or Related)
| Model Number | Function | Key Feature |
|---|---|---|
| SEA4D-12 | Analog Terminal Board | Enhanced channel density |
| SEA4D-21 | Analog Input Terminal Board | Higher precision inputs |
| SEA4D-31 | Analog Output Terminal Board | Supports voltage outputs |
| SEA4D-41 | Mixed Signal Terminal Board | Combines analog/digital I/O |
| SEA4D-51 | High-Speed Analog Board | Faster sampling rate |
| SEA4D-61 | Safety Certified Terminal Board | Designed for safety systems |
Popular Yokogawa Models (Same Brand)
| Model Number | Type | Description |
|---|---|---|
| CENTUM VP | Distributed Control System | Yokogawa flagship DCS solution |
| ProSafe-RS | Safety Instrumented System | Safety automation platform |
| DCS FCS | Field Control Station | High-performance controller |
| YS100 | Field Wireless Transmitter | Wireless instrumentation |
| GC10 | Gas Chromatograph | Analytical measurement device |
| WT300 | Water Quality Analyzer | Water monitoring solution |
