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The GE DS200UCIBG1A DS200UCIBG1AAB motherboard serves as the main backplane for Mark V control systems. This board connects all I/O and processor cards in the rack. You will find this motherboard in Speedtronic Mark V control cabinets. Its passive design requires no configuration or programming.
Backplane Architecture
This motherboard provides eight card slots for Mark V modules. Consequently, you can build a complete control system in one rack. The GE DS200UCIBG1A DS200UCIBG1AAB distributes power and signals to all connected cards. Moreover, dedicated traces ensure proper signal integrity between slots. You can mix processor, I/O, and communication cards freely.
Technical Specifications
| Parameter | Value |
|---|---|
| Card Slots | 8 (industry standard form factor) |
| Slot Pitch | 25.4 mm (1.0 inch) |
| Backplane Type | Passive, no active components |
| Power Distribution | 24V DC, 5V DC, ±15V DC |
| Maximum Current | 20A (24V), 15A (5V), 5A (±15V) |
| Signal Layers | 6 |
| Dimensions | 350mm x 280mm x 15mm |
| Weight | 1.25 kg (2.76 lbs) |
| PCB Layers | 8 |
| Connector Count | 8 card slots, 1 power input, 2 expansion |
| Connector Type | DIN 41612, 96-pin |
| Card Guide | Metal, with ejector ramps |
| Isolation Voltage | 1500V (power to signal) |
| Operating Temperature | -10°C to +60°C |
| Storage Temperature | -40°C to +85°C |
Slot Configuration and Signal Routing
The unit includes eight slots with staggered card guides for easy insertion. Therefore, you can install or remove cards without special tools. This motherboard replaces the DS200UCIBG1AAB version without any rack modifications. Simply remove the old backplane and install this one. GE designed this motherboard for standard 19-inch rack mounting. Hence, it fits into all Mark V control cabinets.
Eight PCB layers separate power and signal traces effectively. The backplane includes dedicated ground planes for noise reduction. The GE DS200UCIBG1A DS200UCIBG1AAB uses passive backplane technology with no active components. Accordingly, it has no software or firmware to configure. This design provides maximum reliability for critical control systems.
Installation and Expansion Guide
You can mount this motherboard horizontally or vertically in a cabinet. The board includes mounting holes for secure installation. The GE DS200UCIBG1A DS200UCIBG1AAB works with all GE Mark V processor and I/O cards. Always verify card compatibility before installation. Proper grounding of the mounting plate ensures noise immunity.
The motherboard includes two expansion connectors for additional racks. You can connect multiple backplanes for larger systems. The GE DS200UCIBG1A DS200UCIBG1AAB provides reliable backplane connectivity for turbine control. Installation requires only a screwdriver for mounting and power connections. This board operates in non-condensing environments with adequate clearance.