IS420UCPAH1A GE Module Parts
The GE IS420UCPAH1A is a compact controller platform with integral I/O, manufactured by General Electric (GE) for the Mark VIe turbine control system. The module is designed to execute real-time control logic and application programs while providing integrated input and output signal processing. It can also communicate with external I/O modules through a simplex IONet network.
The IS420UCPAH1A consists primarily of an IS400BPPCH2A processor board and an IS400STWCH1A base I/O board. Unlike the expanded IS420UCPAH2A, the H1A version does not include the additional WEXP expansion I/O board. It is particularly suitable for simplex turbine control applications where compact installation, integrated I/O, and low power consumption are important.
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Model Number | IS420UCPAH1A |
| Product Series | Mark VIe |
| Product Type | Controller Platform with Integral I/O |
| Controller Type | UCPA |
| Processor Board | IS400BPPCH2A |
| Base I/O Board | IS400STWCH1A |
| Expansion Board | Not included |
| Processor | Freescale 3308 |
| RAM | 64 MB |
| Operating System | QNX |
| Configuration Software | ToolboxST |
| Nominal Input Voltage | 12 VDC |
| Operating Voltage Range | 9–16 VDC |
| Power Consumption | Approximately 4 W |
| Analog Inputs | 2 |
| Analog Outputs | Not provided |
| Digital I/O | 4 configurable channels |
| Pulse Inputs | 2 Hall Effect inputs |
| I/O Network | Simplex IONet |
| Redundancy | Simplex |
| Mounting Method | Base-mounted / Panel-mounted |
| Cooling | Natural convection |
| Cooling Fan | Not required |
| Battery | Not required |
| Operating Temperature | -40 to +70°C |
| Dimensions | Approximately 6.3 × 4.5 × 2.8 inches |
- Real-Time Control Processing: Executes control algorithms and application logic for turbine and industrial automation systems.
- Analog Signal Acquisition: Receives analog signals from field instruments and processes measurement data for control applications.
- Digital Input and Output Control: Supports equipment status monitoring, interlocking, and discrete control operations.
- Pulse Signal Processing: Processes Hall Effect pulse signals for rotational speed monitoring and related applications.
- IONet Communication: Communicates with external distributed I/O packs through a simplex IONet connection.
- System Diagnostics: Uses onboard LED indicators to monitor controller status, digital I/O activity, pulse inputs, and diagnostic conditions.
| Specification | IS420UCPAH1A | IS420UCPAH2A |
|---|---|---|
| Processor Board | IS400BPPCH2A | IS400BPPCH2A |
| Base I/O Board | IS400STWCH1A | IS400STWCH1A |
| Expansion Board | No | IS400WEXPH1A |
| Analog Inputs | 2 | 8 |
| Analog Outputs | 0 | 2 |
| Digital I/O | 4 | 8 |
| Hall Effect Inputs | 2 | 2 |
| RAM | 64 MB | 64 MB |
| Power Consumption | Approx. 4 W | Approx. 4 W |
| Power Supply | 12 VDC | 12 VDC |
It is used for real-time control processing and integrated I/O management in GE Mark VIe turbine control systems.
It provides two analog input channels.
No. The H1A version does not include the two additional analog outputs available on the H2A expansion platform.
The nominal supply voltage is 12 VDC, with an operating range of 9–16 VDC.
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