Overview
Configured for turbine protection signal acquisition and Ethernet data communication in the GE Mark VIe turbine control system, the GE IS220PPROH1A (IS220PPROH1 I/O Pack) provides local processing, power supply functions, and data acquisition through two Ethernet ports. The unit operates as an I/O interface hardware assembly for protection-related control signals.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS220PPROH1A |
| Base Model | IS220PPROH1 |
| Brand | General Electric (GE) |
| Product Type | Mark VIe Protection I/O Pack |
| Application | Mark VIe Turbine Control System |
| Function | Input/output signal processing and data acquisition |
| Ethernet Ports | 2 |
| Local Processor | Integrated |
| Power Supply | Integrated |
| Data Acquisition | Integrated data acquisition board |
| Protection Type | Protection I/O Pack |
| Origin | USA |
| Weight | 0.38 kg |
| Dimensions | Estimated shipping size: 6 x 12.8 x 8.2 cm |
| Operating Temp | -40 deg C to +70 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Humidity | 0-95% RH, non-condensing |
| Altitude | Up to 2000 m |
| Power Consumption | Not specified in the provided technical data |
GE Mark VIe Ethernet and I/O Architecture
The IS220PPROH1A combines local processing, data acquisition, and Ethernet communication within one I/O pack. The two Ethernet ports provide the stated communication interfaces for the Mark VIe control architecture.
Furthermore, the local processor handles I/O pack-level processing before control-system data exchange. The data acquisition board provides the hardware path for acquiring connected protection signals. Therefore, installation should preserve the specified Ethernet connections and maintain suitable separation between signal wiring and high-energy conductors.
The provided data does not specify Ethernet protocol parameters, communication speed, firmware revision, or internal backplane current requirements. These values should therefore be verified against the applicable GE Mark VIe system documentation before commissioning.
Frequently Asked Questions
Q: How many Ethernet ports does the IS220PPROH1A provide?
A: The provided specifications identify two Ethernet ports.
Q: What environmental temperature range applies during operation?
A: The specified operating range is -40 deg C to +70 deg C. Storage is specified from -40 deg C to +85 deg C.
Q: Is the power consumption specified for the IS220PPROH1A?
A: No. The supplied technical data does not provide a power consumption value. Use the applicable GE Mark VIe hardware documentation for system power calculations.
Field Installation Guidelines
- Verify the complete IS220PPROH1A model designation before installation and compare it with the approved Mark VIe hardware configuration.
- Install the I/O pack in the designated system position and maintain sufficient clearance for connectors, Ethernet cables, and service access.
- Route Ethernet and I/O signal wiring separately from high-voltage or high-current conductors where practical. Avoid unnecessary parallel routing with power cables.
- Use the specified grounding and shielding practices defined by the plant electrical standard and the applicable GE Mark VIe installation documentation.
- Inspect connectors before energization. Check for loose contacts, damaged insulation, contamination, or mechanical interference.
- Confirm both Ethernet connections before commissioning if the configured Mark VIe architecture requires both ports.
- Do not apply an undocumented supply voltage or external signal level. Verify electrical requirements from the system-specific GE documentation before energization.
