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GE DS215DMCBG1AZZ03A | Mark V Speedtronic DMCB Drive Board

GE DS215DMCBG1AZZ03A is a high-density Drive Control Board (DMCB) for the GE Speedtronic Mark V turbine control system. It serves as a core logic & drive module for gas and steam turbines, executing closed-loop control, I/O processing, and fault protection. It is an upgraded DS215 variant (improved hardware/firmware) of the legacy DS200 series.Status: Discontinued (OEM), widely available as refurbished / tested spares.

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  • Manufacturer: GE (General Electric)

  • Model: DS215DMCBG1AZZ03A

  • Series: Mark V Speedtronic

  • Type: DMCB Drive Control Board (Drive & I/O Processor)

  • Function: Turbine speed/torque control, excitation drive, protection logic

  • Processors: Intel 80C186 (33MHz), 80C196 (11MHz)

  • Memory: EPROM, FPGA, oscillator chips

  • Connectors:

    • 5 vertical cable (4M/1F)

    • 3 header connectors

    • 3 stab-on connectors

  • Controls: >20 jumpers, 1 reset switch, LED status

  • Protection: Fused, overcurrent/overvoltage/overheat

  • Weight: ~1.29 kg

  • Dimensions: ~84 × 160 × 110 mm

  • Temp: 5–55°C (non-condensing)

  • Applications: Gas turbines, steam turbines, power generation