Digital guide
You are here:
GE DS3800HAFA1B1D
Product Name: DS3800 HAFA Turbine Control / High-Speed Automation Card (Mark IV DS3800 family)
Product Brief: A ruggedized control processor card used in GE Speedtronic Mark IV turbine control racks and high-speed PLC applications. Performs real-time regulation of turbine speed, load sharing, and sequence logic.
Detailed content
Technical Specifications
-
Processor: 32-bit RISC industrial microprocessor (custom GE chipset)
-
Memory: 16 KB EEPROM for parameters + onboard SDRAM/Flash (vendor variants list 64 MB–256 MB depending on revision)
-
I/O Capacity: 256 digital I/O points (expandable to 2048), 8 analog inputs (0–10 V / 4–20 mA / RTD)
-
Communication: RS-485, Ethernet, optional EtherCAT / Profinet / EtherNet/IP via daughtercard
-
Power: 24 V DC nominal, consumption ≤ 25 W
-
Operating Temp: –40 °C to +85 °C (some revisions –20 °C to +60 °C)
-
MTBF: > 100,000 h (up to 500,000 h with redundant CPU option)
-
Dimensions: approx. 122 × 122 mm or 240 × 180 × 80 mm by revision; PCB with gold-finger VME-style edge connectorFunctional Features: Dual-CPU redundancy (bumpless switchover), self-diagnostic LEDs, watchdog timer against program lockup, on-board parameter retention.Working Principle: Accepts transducer and thermocouple signals from turbine skid, executes PID/fuzzy control loops in deterministic scan, drives actuator outputs (fuel valve, governor solenoid) through isolated analog/digital lines.Application: Gas/steam turbine control, compressor anti-surge, auxiliary boiler control.Installation & Notes: Insert into designated DS3800 slot of Mark IV rack; verify jumper/rating plug before energizing; do not hot-swap without rack power isolation.
