Description
🔹 Product Description
The General Electric IS220PPROH1A is a Backup Turbine Protection I/O Pack designed for the GE Mark VIe control system. It provides an independent protection interface for turbine applications and supports backup turbine protection functions through compatible protection and emergency-trip terminal boards. The module includes a high-speed processor, two independent 10/100 Ethernet ports for IONet communication, a hardware reset circuit, watchdog timer, internal temperature monitoring, and front-panel diagnostic indicators. GE documentation specifies the IS220PPROH1A for use with compatible SPRO, TPRO, and TREA terminal boards. The module can be applied in simplex and TMR backup-protection architectures, depending on the overall Mark VIe system configuration.
📋 Product Datasheet
| Parameter | Value |
|---|---|
| Brand | General Electric (GE) |
| Model | IS220PPROH1A |
| Series | Mark VIe |
| Product Name | Backup Turbine Protection I/O Pack |
| Place of Manufacture | United States |
| Product Status | New / Surplus |
| Dimensions | Approx. 160 × 160 × 120 mm |
| Weight | Approx. 0.8 kg |
| Original Country | United States |
| Power Supply | 28 V DC nominal; 27.4–28.6 V DC |
| Discontinued | Legacy Mark VIe hardware; verify system compatibility |
⚙️ Key Features
• Backup turbine protection I/O pack for GE Mark VIe systems
• High-speed processor for protection and monitoring functions
• Two independent 10/100 Ethernet ports for IONet communication
• Hardware reset circuit and watchdog timer
• Internal temperature monitoring
• Front-panel PWR/ATTN and Ethernet LINK/TxRx indicators
• Supports simplex and TMR backup protection architectures
• Compatible with IS200SPROH1A, IS200SPROH2A, IS200TPROH1C, IS200TPROH2C, IS200TREAH1A, and IS200TREAH3A terminal boards
• PPROH1A uses the BPPB processor-board configuration
• Designed for industrial turbine protection applications
❓ Common Questions & Answers
Q: What is the IS220PPROH1A?
A: It is a GE Mark VIe Backup Turbine Protection I/O Pack used to provide an independent protection interface for turbine control applications.
Q: What does PPRO stand for?
A: PPRO identifies the Backup Turbine Protection I/O function within the Mark VIe distributed I/O architecture.
Q: What communication interfaces are available?
A: The module provides two independent 10/100 Ethernet ports for IONet communication.
Q: Does the IS220PPROH1A support redundant protection?
A: Yes. It can be used in simplex backup-protection arrangements and in TMR architectures where separate PPRO packs are connected to the R, S, and T controller networks.
Q: Which terminal boards are compatible with this module?
A: GE documentation identifies IS200SPROH1A, IS200SPROH2A, IS200TPROH1C, IS200TPROH2C, IS200TREAH1A, and IS200TREAH3A as compatible accessory terminal boards.
Q: What power supply does the module require?
A: The specified supply is 28 V DC nominal, with a 27.4–28.6 V DC operating range and a maximum current rating of 0.37 A for the PPRO protection module.
Q: Does the module have built-in diagnostics?
A: Yes. The front panel provides PWR/ATTN and Ethernet LINK/TxRx indicators, while the module also includes a watchdog timer and internal temperature sensor.
Q: Is IS220PPROH1A interchangeable with IS220PPROS1B?
A: They are related PPRO protection variants, but they should not be considered automatically interchangeable. The PPROH1A uses a BPPB processor configuration, while the PPROS1B uses a BPPC processor and has different software compatibility requirements.
Q: What should be checked before replacement?
A: Verify the complete part number, processor-board configuration, terminal board, IONet architecture, software compatibility, and existing protection configuration before installation.
⭐ Recommended GE Models
- IS220PPRAH1A — Emergency Turbine Protection Module
- IS220PPRFH1A — PROFIBUS Master I/O Module
- IS220PSCAH1A — Serial Communication I/O Module
- IS220PSCHH1A — Serial Communication Module
- IS220PTURH1A — Turbine I/O Module
- IS220PDIOH1A — Discrete Input/Output Module
- IS220PDIAH1A — Discrete Input Module
- IS220PDOAH1A — Discrete Output Module
- IS220PAICH1A — Analog Input Module
- IS220PCLAH1A — Analog I/O Module
- IS220PRTDH1A — RTD Input Module
- IS220PTCCH1A — Thermocouple Input Module
- IS220PVIBH1A — Vibration Monitoring Module
- IS220PPDAH1A — Power Distribution I/O Module
- IS220PCNOH1A — CANopen Communication Module
