Description

GE DS200DCFBG1BLC DC Power and Feedback Board

The GE DS200DCFBG1BLC, also cataloged as the DS200DCFBG1BLC DC Power and Feedback Board, operates as a dedicated hardware component for DC power conversion and feedback signal processing within GE Mark V Speedtronic and EX2000 drive control systems. The board provides regulated DC rails, isolated feedback acquisition, and VCO-based signal conversion for turbine and drive control loops.

Hardware Specifications

Parameter	Specification
Model	DS200DCFBG1BLC
Brand	GE
Origin	United States
Weight	0.5 kg
Operating Temp	-30 to +70 deg C
Power Consumption	Not specified; provides multiple DC output rails
Input Voltage	38-115 VAC, 47-63 Hz
DC Outputs	+5 VDC at 4 A; +15 VDC and -15 VDC at 0.8 A each; +24 VDC at 3 A / 1 A
VCO Output	0-500 kHz nominal output range
Feedback Inputs	Armature and field shunt signals, 50-250 mV
Isolation Rating	2.5 kV logic-to-power; 500 V channel-to-chassis
Protection	Fuse protection for fan and DC voltage rails
Diagnostics	LED and neon status indicators

GE Mark V Power Conversion and Feedback Processing Features

The DS200DCFBG1BLC integrates power conversion, signal isolation, and feedback digitization functions on a single Mark V interface board. The VCO circuit converts analog shunt feedback signals into frequency-based digital information for controller processing without requiring external A/D conversion hardware.

The board supports GE Speedtronic control architectures with multiple regulated DC voltage rails used by control electronics. Its feedback channels process armature and field shunt measurements while maintaining electrical separation between power circuits and logic circuits.

The board uses GE industrial control hardware characteristics including backplane signal coordination, configuration jumpers, and DIP switch settings for voltage scaling and feedback adjustment. Firmware-independent hardware configuration is performed through onboard selectable settings.

Frequently Asked Questions

Q: What feedback signals can the DS200DCFBG1BLC process?
A: The board accepts armature and field shunt feedback signals in the 50-250 mV range and converts these analog inputs through a VCO-based conversion circuit.

Q: What DC voltage rails are generated by this board?
A: The DS200DCFBG1BLC generates +5 VDC, +/-15 VDC, and +24 VDC supply outputs for connected GE Mark V and EX2000 control hardware.

Q: Does the board provide electrical isolation between power and control circuits?
A: Yes. The board includes logic-to-power isolation and channel-to-chassis isolation to separate feedback measurement circuits from power conversion sections.

Field Installation Guidelines

Install the DS200DCFBG1BLC in the designated GE Mark V or EX2000 rack slot with power removed from the control cabinet before board insertion or removal.

Verify connector alignment, PCB seating, and mechanical retention hardware before energizing the system. Route feedback signal wiring separately from high-current AC input conductors to reduce electromagnetic interference.

Connect cable shields according to the cabinet grounding scheme. Maintain proper separation between analog feedback circuits, DC power wiring, and switching power components. Confirm fuse ratings, jumper positions, and DIP switch configurations before system startup.

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems