The GE DS3800HACB1A1B is a High-Amplitude Current Analog output board for the GE Speedtronic Mark IV turbine control system. It provides high-current 4-20mA loop-powered outputs for driving field devices such as I/P converters, valve positioners, and long-distance transmitters. The “1A1B” suffix indicates a revision with enhanced diagnostic reporting, improved thermal management, and reinforced isolation compared to earlier versions.
The GE DS3800HACB is a High-Amplitude Current Analog output board for the GE Speedtronic Mark IV turbine control system. It is specifically designed for high-current 4-20mA loop-powered applications, providing robust output drive for field devices. The “HACB” designation indicates a revision with enhanced loop diagnostics and improved thermal management compared to the “HACA” series.
The GE DS3800HACA1A1A is a High-Amplitude Current Analog output board for the GE Speedtronic Mark IV turbine control system. It is specifically designed for high-current 4-20mA loop-powered applications, providing robust output drive for field devices such as current-to-pneumatic (I/P) converters, valve positioners, and long-distance transmitters. The “1A1A” suffix indicates the initial production revision with fixed output modes and proven reliability.
The GE DS3800HACA is a High-Amplitude Current Analog output board for the GE Speedtronic Mark IV turbine control system. It is specifically designed for high-current 4-20mA loop-powered applications, providing robust output drive for field devices such as current-to-pneumatic (I/P) converters, valve positioners, and long-distance transmitters. The “HACA” designation indicates High-Amplitude Current Analog output.
The GE DS3800HA1C is a High-Amplitude Analog Output board for the GE Speedtronic Mark IV turbine control system. It provides high-current analog outputs for driving field devices such as proportional solenoids, motor-operated valves (MOVs), and hydraulic actuators that require more power than standard servo driver boards can deliver. The “HA” designation indicates High Amplitude output capability.
The GE DS3800EEPB is an EEPROM (Electrically Erasable Programmable Read-Only Memory) board for the GE Speedtronic Mark IV turbine control system. It provides non-volatile memory storage for critical turbine configuration parameters, tuning constants, and calibration data. The “EEPB” designation indicates a board dedicated to EEPROM storage, ensuring data retention even during extended power outages or board replacements.
The GE DS3800DXRC1D1B is a Digital Expansion Relay and Alarm board for the GE Speedtronic Mark IV turbine control system. It provides 16 additional relay outputs as a slave expansion board. The “C1D1B” suffix indicates a high-specification revision with latching relay capability, enhanced diagnostics, and improved backplane communication, bridging the gap between standard expansion and latching flag boards.
The GE DS3800DXRA1C1C is a Digital Expansion Relay and Alarm board for the GE Speedtronic Mark IV turbine control system. It provides 16 additional relay outputs as a slave expansion board, increasing system I/O capacity. The “1C1C” suffix indicates a mature revision with enhanced surge suppression, improved isolation, and extended temperature range compared to earlier versions.
The GE DS3800DXRA1A1A is a Digital Expansion Relay and Alarm board for the GE Speedtronic Mark IV turbine control system. It provides 16 additional relay outputs as a slave expansion board, increasing system I/O capacity without occupying a processor slot. The “1A1A” suffix indicates the initial production revision with proven reliability and fixed address configuration.
The GE DS3800DXRA is a Digital Expansion Relay and Alarm board for the GE Speedtronic Mark IV turbine control system. It provides additional relay output capacity for systems requiring more alarm or control signals than the base relay boards offer. The “DXRA” designation indicates an expansion board that interfaces with the main processor via the backplane, adding 16 extra relay channels for annunciation, interlocking, or remote signaling.
The GE DS3800DVRC1A1A1A is a Digital Voltage Reference and Calibration board for the GE Speedtronic Mark IV turbine control system. It provides precision voltage reference sources for calibrating analog input and output boards. The “1A1A1A” suffix indicates the final production revision with ultra-stable reference components, the highest isolation, and the broadest temperature tolerance in the DVRC family, designed for maximum long-term reliability.
The GE DS3800DVRC1A1A is a Digital Voltage Reference and Calibration board for the GE Speedtronic Mark IV turbine control system. It provides precision voltage reference sources for calibrating analog input and output boards. The “1A1A” suffix indicates a mature revision with hermetically sealed reference components, delivering the highest stability and lowest drift in the DVRC family.