Description

GE DS200UCPBG6AFB Product Description

Technical Specifications

• Product Model: DS200UCPBG6AFB
• Brand: General Electric (GE)
• Warranty: One Year
• Input Voltage: 5VDC logic power, 24VDC rack auxiliary supply
• Operating Temperature: -40°C to +70°C
• Storage Temperature: -45°C to +85°C
• Response Time: ≤5ms COREBUS data packet transmission cycle
• Protection Class: IP20 (indoor cabinet rack installation only)
• Accuracy Class: Class 0.1 for I/O data framing and forwarding
• Output Frequency: Maximum 25kHz internal bus clock speed
• Rated Current Range: 0–15mA low-power logic circuit consumption
• Communication Interface: Dual RS232 ports, ARCNET onboard driver, DS200 series backplane edge connector
• Supported Protocols: GE Mark V COREBUS internal rack protocol, ARCNET, serial terminal debug protocol
• Overload Capacity: 125% transient voltage surge withstand for 10 seconds
• Dimensions: 233mm (L) × 165mm (W) × 25mm (D)

---

Product Overview

The DS200UCPBG6AFB is an I/O Engine CPU daughter board built for the GE Speedtronic Mark V gas and steam turbine control system, designated as the UCPB universal control processor subassembly within DS200 rack framework. Powered by an 80486DX microprocessor, this board undertakes centralized collection, packaging and broadcast of all analog and discrete field I/O signals across R1, R2, R3 and R5 I/O engine slots via the system COREBUS backplane bus.

It resolves core operational bottlenecks of legacy turbine control racks, including decentralized signal processing delays, inconsistent data synchronization between multiple I/O engines, limited local diagnostic access, and cumbersome serial communication configuration for peripheral motor drive controllers. The integrated SIMM memory socket and EPROM firmware storage ensure stable program execution and non-volatile retention of runtime parameters, while onboard voltage clamping circuits suppress electrical noise and voltage spikes generated by high-power turbine excitation systems and frequency converters.

 

ore Functional Highlights

1. Dedicated 80486DX processor for independent I/O engine data aggregation and COREBUS packet distribution
2. Dual isolated RS232 interfaces for local debugging and connection to FMVED motor controller assemblies
3. ARCNET communication driver for reliable data exchange with Mark V operator HMI workstations
4. Configurable DIP switch bank for unique I/O engine slot addressing in multi-module rack layouts
5. Conformal coated PCB and surge protection components to resist cabinet vibration, temperature swings and electromagnetic interference
6. Onboard LED status indicators for real-time visual diagnosis of processor heartbeat, bus communication and power supply health