The GE DS200TCCBG8B, also cataloged as the DS200TCCB Common Extended Analog I/O Board, operates as a dedicated hardware component for analog signal conditioning and scaling within SPEEDTRONIC Mark V LM turbine control platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200TCCBG8B |
| Brand | General Electric |
| Origin | USA |
| Series | SPEEDTRONIC Mark V LM |
| Product Type | Common Extended Analog I/O Board |
| Functional Acronym | TCCB |
| Weight | 0.91 kg (2.0 lbs) |
| Dimensions | Standard GE Mark V Board Size |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Standard internal backplane logic power supply |
| Onboard Memory | 2 x Programmable EEPROMs |
| Signal Inputs | 4-20 mA loop inputs, RTD inputs, generator/bus voltage, line current |
| Bus Interface Connectors | 3PL connector (interfaces to STCA board) |
| Core Slot Position | Slot 3 within R5 core |
| Manual Reference | GEH-6153 |
Firmware Flash Compatibility & Backplane Bus Processing
The DS200TCCBG8B conditions analog signal paths sourced from the 4-20 mA and RTD Input Terminal Module (TBCB) in the R5 core and the Protective Termination Expander Board (TCEB) located in the P1 core. Onboard signal pathways process bus voltage, generator voltage, and line current inputs via specialized circuits including the TCCB 4-20 mA input circuit, TCCB RTD circuit, and TCCB generator/bus voltage and current input circuits. Dual onboard programmable EEPROMs preserve hardware firmware configuration data, allowing post-conditioned analog signals to stream across the 3PL connector directly to the Turbine Communication Board (STCA) with optimized backplane bus communication velocity.
Frequently Asked Questions
Q: What is the slot location of the DS200TCCBG8B board within the Mark V system rack?
A: The board installs in the third physical location slot inside the R5 core of the Mark V turbine control cabinet.
Q: Which terminal boards interface directly with the inputs on the DS200TCCBG8B?
A: The board receives incoming signals from the 4-20 mA and RTD Input Terminal Module (TBCB) in the R5 core and the Protective Termination Expander Board (TCEB) in the P1 core.
Q: Where does the DS200TCCBG8B route conditioned signals after processing?
A: Conditioned and scaled analog signals route via the 3PL connector directly to the Turbine Communication Board (STCA).
Field Installation Guidelines
- Ensure complete system power shutdown before inserting or removing the DS200TCCBG8B board from the R5 core chassis.
- Wear a properly grounded static-dissipative wrist strap connected to the metal cabinet frame to prevent ESD damage during module handling.
- Verify correct seating and keying of the 3PL ribbon cable connector to avoid pin misalignment or communication packet errors across the bus.
- Verify that both programmable EEPROMs are securely seated in their IC sockets prior to restoring control system power.
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Guide
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