The GE IS200CSLAH1A IS200CSLAH1APR1 adds high-speed I/O capacity to Mark VI turbine control systems. This compact board expands connectivity for fast-acting control loops. Therefore, it enables precise regulation of fuel valves and steam admission.
Product Overview
We built this expansion board for applications demanding rapid analog output response. Its 16-bit converters update at rates up to 10 kHz per channel. Moreover, this unit fits into standard Mark VI slots without special adapters.
Technical Specifications
| Parameter | Specification |
|---|---|
| Dimensions | 17.8 cm (length) x 10.2 cm (width) |
| Weight | 0.28 kg (approximately 0.62 lb) |
| Interface Type | Single 64-pin backplane connector plus front header |
| Component Count | 168 components including DACs and op-amps |
| Energy Storage | 8 ceramic capacitors (0.1 µF) plus 4 tantalum (47 µF) |
| Analog Outputs | 8 channels, 16-bit resolution |
| Output Ranges | 0-10V, ±10V, 4-20mA software selectable |
| Update Rate | 10 kHz per channel simultaneously |
| Settling Time | 50 µs to 0.01% for voltage outputs |
| Slew Rate | 5 V/µs typical |
| Output Drive | 10 mA for voltage, 800 ohms for current |
| Protection | Short-circuit and over-temperature on each output |
High-Speed Design
The GE IS200CSLAH1A IS200CSLAH1APR1 uses parallel DAC architecture for fast updates. Its eight ceramic capacitors decouple power to each converter chip. Additionally, four tantalum capacitors store energy for the output amplifiers. You get simultaneous updates on all channels without pipeline delays.
Energy Storage Array
Eight ceramic capacitors filter high-frequency noise on the analog power rails. Four tantalum capacitors provide charge for fast output voltage slewing. These capacitors ensure the outputs reach new values within 50 microseconds. Clean power prevents oscillation during large signal transients. Therefore, this board suits servo valve control requiring rapid positioning.
Output Configuration
Each channel operates independently with its own range settings. Configure channels 1 through 4 for voltage output applications. Channels 5 through 8 default to current output for valve positioners. Software commands override the default assignment at any time. The board stores configuration in non-volatile memory. You do not need to reconfigure after power cycles.
Installation Steps
Insert this expansion board into any available Mark VI I/O slot. Align the GE IS200CSLAH1A IS200CSLAH1APR1 with the card guide rails. Push the board firmly until the backplane connector seats completely. Then secure the board with its single front panel screw. Connect field wiring to the front 16-position terminal block.
Output Protection
Each output includes self-resetting thermal shutdown protection. The output disables if the internal temperature exceeds 150°C. A 10-second cool-down period restores normal operation automatically. Short-circuit protection limits output current to 30 mA maximum. You cannot damage the board by accidentally shorting outputs during installation.
Timing Performance
The board updates all eight channels simultaneously every 100 microseconds. A dedicated timing signal from the controller triggers each update. Output settling completes within 50 microseconds of the trigger edge. Therefore, the effective update rate reaches 10 kHz for closed-loop control. This performance meets the needs of electro-hydraulic actuator systems.
Application Areas
This high-speed board controls servo valves on steam turbine admissions. It also positions fuel valves in gas turbine applications. Many power plants use the GE IS200CSLAH1A IS200CSLAH1APR1 for blade path control. Its compact size saves rack space compared to standard analog output boards.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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