+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
GE DS3800HIMA1 Isolation and Display Driver Board
Product Overview
The GE DS3800HIMA1 is a high-performance isolation and display driver board designed for GE’s Mark IV Speedtronic turbine control system, serving as a critical interface for signal conditioning, noise reduction, and display management in industrial gas and steam turbine applications. As part of the DS3800HIMA series, this module integrates seamlessly with Mark IV microprocessor controllers, HMIs, and network devices to enable real-time data exchange, signal isolation, and display driver functions in mission-critical environments .
Engineered with dual differential receivers (AM26LS33) and drivers (AM26LS30), the GE DS3800HIMA1 supports 5V DTL/TTL logic levels, ensuring compatibility with legacy sensors, actuators, and modern automation systems. Its dual-sided PCB houses integrated circuits like the LM309K voltage regulator (providing 5V DC ±10% output) and HP69137 dip components, which facilitate noise-resistant signal transmission across long cable distances. The module features one amber LED for real-time status monitoring of power and data integrity, enhancing diagnostic visibility during operation .
While the Mark IV series is legacy technology, the GE DS3800HIMA1 remains indispensable for maintaining industrial infrastructure in power plants, offshore platforms, and heavy manufacturing facilities. Its field-configurable jumpers allow users to adjust signal conditioning parameters and communication protocols without hardware modifications, making it adaptable to diverse control scenarios .
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | GE DS3800HIMA1 |
| Manufacturer | General Electric (GE) |
| Product Type | Isolation and Display Driver Board |
| Compatibility | GE Mark IV Speedtronic Turbine Control System |
| Signal Standards | 5V DTL/TTL logic levels (fixed, no jumper adjustment) |
| Connectors | 1 x 20-pin ribbon cable connector |
| Indicators | 1 amber LED for power/data status |
| Jumpers | 2 configurable jumpers for signal conditioning and protocol selection |
| Power Supply | +5V DC ±10% (via Mark IV system backplane) |
| Operating Temperature | -30°C to +55°C |
| Physical Dimensions | 6.5 in x 4.25 in x 0.75 in (165.1 mm x 107.95 mm x 19.05 mm) |
| Weight | 0.35 lbs (0.159 kg) |
| Warranty | 1 year (third-party suppliers, e.g., AX Control, Amikon) |
| Expansion Capability | None |
Key Features and Advantages
Legacy System Compatibility: The GE DS3800HIMA1 supports 5V DTL/TTL signals, ensuring seamless integration with aging Mark IV systems while providing backward compatibility for legacy sensors and actuators. Its AM26LS33/30 differential circuits enable long-distance signal transmission (up to 500 meters for 10Base5), critical for distributed control setups in power generation and oil refineries .
Rugged Industrial Design: Built with EMI shielding and surge protection, the module withstands extreme temperatures, voltage spikes, and mechanical vibrations. Its drilled mounting holes simplify installation on DIN rails or control panels, reducing downtime during repairs .
Diagnostic Visibility: A single amber LED provides real-time feedback on power status and data integrity. For example, a steady amber light signals normal operation, while flickering indicates communication errors or voltage fluctuations .
Field-Configurable Flexibility: Two jumpers allow users to adjust signal conditioning parameters (e.g., noise filtering thresholds) and select communication protocols, making the GE DS3800HIMA1 adaptable to diverse control scenarios. This flexibility is ideal for retrofitting legacy systems with modern sensors or actuators .
Display Driver Functionality: The GE DS3800HIMA1 doubles as a display driver for Mark IV HMIs, supporting analog and digital display interfaces. It ensures stable video signal transmission and compatibility with legacy CRT or LCD monitors used in turbine control rooms .
Application Areas
The GE DS3800HIMA1 excels in industrial environments requiring reliable signal isolation and display management:
- Power Generation: Manages binary signals between turbine control modules, HMIs, and grid synchronization systems, ensuring stable energy production and grid stability. Its display driver functionality supports real-time monitoring of turbine parameters on legacy control panels .
- Oil & Gas: Enables real-time monitoring of wellhead pressure switches, pump relays, and safety interlocks in offshore platforms and refineries. Its isolation features protect sensitive control systems from voltage spikes and electromagnetic interference .
- Heavy Machinery: Facilitates high-speed data exchange between distributed control systems (DCS) and field devices in mining crushers and conveyor systems. Its differential circuits reduce signal degradation over long cable runs .
- Industrial Automation: Integrates with GE’s Mark IV I/O modules (e.g., DS3800HIOD1G1G digital I/O boards) to enable seamless communication in manufacturing plants, optimizing material handling and process control .
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Installation and Maintenance
Installation Preparation: Verify compatibility with the Mark IV system and ensure the control rack’s DIN rail is securely mounted. Align the GE DS3800HIMA1 with the backplane connector and secure it using M3 screws. Use GE’s TriStation software to configure jumpers for signal conditioning and communication protocols. Anti-static wrist straps are recommended during handling to prevent ESD damage .
Maintenance Recommendations: Regularly inspect connectors for corrosion and clean dust from vents to maintain optimal airflow. Monitor the amber LED for 异常 statuses (e.g., flickering for faults) and address issues promptly. Perform firmware updates as recommended by GE or third-party suppliers. For hardware replacement, retain original jumper settings and terminal configurations for reference. Periodically test diagnostic functions to ensure LED and jumper responsiveness .
Product Assurance
The GE DS3800HIMA1 is backed by a 1-year warranty covering defects in materials and workmanship, provided by third-party suppliers like AX Control and Amikon. Global technical support is available through authorized service networks, offering troubleshooting assistance, firmware updates, and replacement parts. This ensures minimal downtime and sustained performance for legacy systems .
HS:7326909000
Contact info
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- Email: sandydcsplc@gmail.com
- Phone: +86 18030182217
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