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IS420PUAAH1A GE Module Parts Mark VIe Universal I/O Pack
The GE IS420PUAAH1A is a 16-channel Universal Input/Output (I/O) Pack designed for the GE Mark VIe turbine control system. It is used in distributed control systems (DCS) and balance-of-plant (BOP) applications to interface field instruments and devices with the turbine control system.
The module supports multiple signal types, including thermocouples, RTDs, voltage inputs, 4-20 mA current inputs, 0-20 mA current outputs, pulse accumulator signals, and digital inputs. Its flexible channel configuration reduces the need for multiple specialized I/O modules and simplifies system installation and commissioning.
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Model | IS420PUAAH1A |
| Functional Abbreviation | PUAA |
| Product Type | Universal Input/Output Pack |
| Product Series | Mark VIe / Mark VIeS applications (verify configuration) |
| Number of Channels | 16 simplex channels |
| Thermocouple | Supported |
| RTD | Supported |
| Voltage Input | Supported |
| Current Input | 4-20 mA |
| Current Output | 0-20 mA |
| Other Signal Types | Pulse accumulator, digital input |
| Frame Rate | 10 ms |
| Normal Scan Time | 5 ms |
| Measurement Accuracy | Better than 0.1% within specified conditions |
| Control Power | 28 V DC nominal |
| Operating Temperature | -40°C to +70°C |
| Relative Humidity | 5-95%, non-condensing |
| Software Compatibility | ControlST V07.02.00C or later |
| Redundancy | Simplex |
- Acquires 4-20 mA signals from industrial transmitters.
- Processes thermocouple temperature measurements.
- Supports RTD temperature sensor inputs.
- Measures voltage signals from field instruments.
- Provides flexible configuration for different sensor types.
- Supports 0-20 mA current output signals.
- Sends control signals to compatible field devices.
- Supports process regulation and equipment control applications.
- Supports digital input configuration.
- Provides pulse accumulation for frequency and pulse-based measurements.
- Interfaces with compatible industrial field devices.
- 1Verify the model: Confirm the complete part number IS420PUAAH1A and hardware revision.
- 2Check system compatibility: Verify the Mark VIe controller and terminal-board configuration.
- 3Confirm power supply: Check the specified 28 V DC control supply.
- 4Configure I/O channels: Assign each channel to the correct thermocouple, RTD, voltage, current, pulse, or digital input function.
- 5Check field wiring: Verify terminal connections, sensor polarity, shielding, and grounding.
- 6Configure software: Use a compatible ControlST version, V07.02.00C or later.
- 7Perform calibration checks: Compare module readings with known reference signals.
- 8Test outputs: Verify 0-20 mA output scaling and connected field-device response.
- 9Check diagnostics: Confirm communication status and review system alarms before returning equipment to service.
It is a 16-channel Universal I/O Pack used in GE Mark VIe turbine control systems.
It provides 16 simplex channels, individually configurable for supported signal types.
Thermocouple, RTD, voltage input, 4-20 mA current input, 0-20 mA current output, pulse accumulator, and digital input.
The normal scan time is approximately 5 ms, with a 10 ms frame rate.
The module is specified for ControlST V07.02.00C or later. Confirm the installed system's compatibility before upgrading or replacing hardware.
GE Module Parts Mark VIe
,Universal I/O Pack GE Module
,Mark VIe I/O Pack Parts
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