GE DS200UCPBG5A DS200UCPBG5AFB Turbine Control Relay

Key Technical Specifications

This GE DS200UCPBG5A DS200UCPBG5AFB board operates from a 24V DC power supply. It provides 48 mixed I/O channels for turbine relay control. The unit measures 26 cm in length, 19 cm in width, and 5 cm in height. Its total weight reaches 0.95 kg without any packaging materials.

The GE DS200UCPBG5A DS200UCPBG5AFB includes 24 digital inputs, 16 digital outputs, and 8 analog inputs. Additionally, it features one backplane connector for host communication. A single 6-pin terminal block connects the DC power input. The board contains 1 processor, 2 FPGAs, 24 optocouplers, 8 analog conditioners, 16 relay drivers, 32 resistors, and 20 capacitors.

Parameter	Value
Power Supply	24V DC ±10%, 450mA
Digital Inputs	24 channels (24V, sinking)
Digital Outputs	16 channels (24V, 0.5A each)
Analog Inputs	8 channels (0-10V or 4-20mA)
Dimensions (L x W x H)	26 cm x 19 cm x 5 cm
Weight	0.95 kg
Input Response Time	< 2 ms
Output Switching Time	< 3 ms
Analog Resolution	12-bit
Backplane Interface	50-pin DIN
Power Connector	6-pin terminal block
Processor	1 unit (32-bit, 100 MHz)
FPGAs	2 units
Optocouplers	24 units (input isolation)
Analog Conditioners	8 units
Relay Drivers	16 units
Resistors	32 units
Capacitors	20 units
Energy Storage	330 µF at 35V

GE DS200UCPBG5A DS200UCPBG5AFB stores energy using two electrolytic capacitors. Together, they provide 330 µF at 35V rating for output hold-up. This energy storage maintains digital outputs during 30 millisecond power interruptions. Therefore, the board prevents false relay switching in turbine control environments.

Design and Integration

Both the GE DS200UCPBG5A and DS200UCPBG5AFB versions share identical I/O circuitry. These boards use six-layer PCB construction with isolated I/O banks for noise immunity. Consequently, the GE DS200UCPBG5A DS200UCPBG5AFB operates reliably from -15°C to +60°C ambient temperature.

For installation, you need M4 screws for the four mounting holes. The board draws 400 mA typical current from the 24V DC supply. Each digital output includes overcurrent protection for relay coils. We recommend using shielded cables for all analog field connections.

Practical Application

This turbine control relay board manages solenoid valves, contactors, and alarm relays in turbine systems. It reads limit switches, pressure transmitters, and temperature sensors continuously. The GE DS200UCPBG5A DS200UCPBG5AFB then sends output commands to trip relays and servo valves. Therefore, it serves as the primary I/O interface for GE turbine control systems.