Speedtronic Mark IV Dual Communication Board GE DS3800HCMC1A1B
Manufacturer: GE Fanuc
-
Part Number: DS3800HCMC1A1B
Condition：New with Original Package
Product Type: Communication Boards
-
Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
General Electric DS3800HCMC1A1B Dual Communication Board
Configured for high-speed multiplexed analog input scanning and channel synchronization in Speedtronic Mark IV Turbine Control networks, the General Electric DS3800HCMC1A1B (DS3800HCMC Dual Communication Board) provides direct physical/electrical execution across redundant communication channels.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS3800HCMC1A1B |
| Brand | GE (General Electric) |
| Origin | USA |
| Weight | 0.3 kg (0.78 lbs) |
| Dimensions | 28.8 x 7.2 x 3.8 cm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | Not specified |
| System Compatibility | Speedtronic Mark IV Turbine Control (Rev. L and later) |
| Board Type | High-Current Multiplexer Controller / Dual Communication Board |
| Control Channels | Up to 64 multiplexer channels (expandable) |
| Scan Speed | Selectable 100, 200, or 500 channels/sec |
| Isolation | Reinforced 2500 Vrms |
| Connectors | Dual 34-pin modular connectors, 40-pin backplane |
| Configuration | 14 hardware jumpers |
| Status Indicators | 1 Amber (warning), 2 Red (error) LEDs |
| Synchronization | External trigger input, adjustable delay (0-100 ms) |
| MTBF | >180,000 hours (MIL-HDBK-217F standard) |
Backplane Bus Communication Velocity Licences and Deterministic Execution
The DS3800HCMC1A1B interfaces directly with the Mark IV backplane bus, offloading analog channel multiplexing to prevent data throughput bottlenecks on primary processor cards. The board maintains backplane bus communication velocity by scanning up to 500 channels/sec with selectable 100, 200, or 500 channels/sec execution rates. Reinforced 2500 Vrms isolation prevents field-side ground loops and transient spikes from corrupting backplane communication paths or degrading real-time control cycle synchronization.
Frequently Asked Questions
Q: How do the onboard hardware jumpers affect communication configuration?
A: The 14 onboard jumpers allow physical setting of circuit paths, trigger delay periods, and channel multiplexing modes without modifying base system firmware.
Q: What physical connectors are used to interface with external control loops?
A: The module relies on dual 34-pin modular connectors for field/daughterboard wiring along with standard backplane interface pins.
Q: How does the module indicate active operational errors to field operators?
A: Faceplate-visible status indicators—comprising one amber LED for warning conditions and two red LEDs for fatal errors—provide immediate visual diagnostics alongside backplane register reporting.
Field Installation Guidelines
Align the Euro-card assembly with the designated slot guides in the Speedtronic Mark IV rack frame. Press the module smoothly into the slot until the rear edge connector mates fully into the rack backplane socket, then secure all captive mounting screws to establish chassis ground continuity.
Attach the dual 34-pin modular ribbon cables to their respective headers, ensuring the strain relief clamps engage correctly. Route signal lines away from high-voltage AC cabling to preserve the 2500 Vrms electrical isolation barrier. Configure the 14 jumpers according to the site control loop schematic before applying system power.