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Description
GE DS200SDCIG1AHB Mark V DC Power Supply and Instrumentation Board
Configured for power conversion and signal conditioning in GE Mark V Speedtronic systems, the GE DS200SDCIG1AHB (DS200SDCI DC Power Supply and Instrumentation Board) provides direct physical/electrical execution. The unit handles high-voltage AC input conversion and generates regulated lower-voltage DC rails required by local controller backplanes, I/O packs, and field sensor loops.
Hardware Specifications
Parameter
Specification
Model
DS200SDCIG1AHB
Brand
General Electric
Origin
USA
Weight
0.91 kg
Dimensions
273.6 x 214.1 x 59.2 mm
Operating Temp
-30 to +65 deg C
Power Consumption
120 W
Input Voltage
Up to 600 VAC
DC Output Voltage
+5 VDC, +15 VDC, -15 VDC, +24 VDC
Output Current Rating
5 A across combined rails
PCB Protection
Conformal coating
Deterministic Power Delivery and Backplane Bus Stability
The board integrates 12 ripple-suppression filter capacitors alongside 2 internal galvanic isolation transformers to isolate low-voltage digital control electronics from incoming high-voltage line transients up to 600 VAC. Board-level power architecture prioritizes tight voltage regulation on the +5 VDC logic rail to guarantee continuous firmware flash execution and prevent logic resets during backplane bus communication velocity surges. Built-in status LEDs wired to individual overcurrent fuse links permit immediate localized visual verification of rail integrity without interrupting primary power delivery.
Frequently Asked Questions
Q: What physical function do jumpers MA and MD perform on the circuit board?
A: Jumper MD determines the control power source routing across the board architecture, while jumper MA sets the dropout timing threshold for external AC line contactors.
Q: How does the integrated switch alter current transformer feedback?
A: The onboard slide switch adjusts the AC line current transformer (CT) burden resistor value to match the scaling requirements of connected measurement instrumentation.
Q: Are individual output rails protected against localized short circuits?
A: Yes, each DC output supply branch is fitted with dedicated fuse protection paired with a diagnostic LED indicator that illuminates upon a blown-fuse condition.
Field Installation Guidelines
Verify that all line voltage sources feeding the panel are de-energized and locked out before inserting or removing the board from the Mark V rack assembly.
Maintain a minimum 5-thread engagement on all panel ground studs and secure the earth ground strap directly to the chassis frame to satisfy EMC shield requirements.
Route high-voltage AC incoming power cables in separate wire trays away from low-voltage DC instrumentation wiring to prevent inductive coupling and line noise.
Confirm jumper settings for MA and MD correspond to system schematic specifications prior to applying primary AC control power.
