Description
🔹 Product Description
The GE General Electric IS220PTURH1B REV. B is a Turbine Specific Primary Trip I/O Module designed for GE Mark VIe turbine control systems. It provides the electrical interface between the turbine control terminal board and one or two I/O Ethernet networks. The PTUR module handles important turbine-related signals including speed sensor inputs, generator and bus voltage signals, shaft voltage/current, flame detection, and primary trip-related outputs. GE documentation identifies IS220PTURH1B as a Mark VIe Turbine Specific Primary Trip I/O Module intended for use with the IS200TRPAH1A terminal board.
🔹 Product Datasheet
| Parameter | Value |
|---|---|
| Brand | GE General Electric |
| Model | IS220PTURH1B REV. B |
| Series | Mark VIe |
| Product Name | Turbine Specific Primary Trip I/O Module |
| Functional Acronym | PTUR |
| Product Status | New / New Surplus |
| Dimensions | Approx. 8.26 cm H × 4.19 cm W; verify actual unit |
| Weight | Approx. 1 lb 3 oz |
| Origin | USA |
| Power | 28 VDC system power |
| Discontinued | Legacy product; availability depends on surplus stock |
🔹 Common Questions & Answers
Q: What is the IS220PTURH1B used for?
A: It functions as a primary turbine trip and I/O interface module in GE Mark VIe control systems, handling turbine protection and monitoring signals.
Q: Which terminal board is used with this module?
A: GE documentation identifies the IS200TRPAH1A as the associated terminal board for the IS220PTURH1B.
Q: What signals can the PTUR module handle?
A: Typical signals include magnetic speed inputs, generator and bus voltage, shaft voltage/current, flame detector inputs, turbine status signals, and primary trip-related outputs.
Q: Can the module be used in a TMR system?
A: Yes. The IS220PTURH1B can be used in Mark VIe architectures including simplex and TMR configurations, depending on the overall system design.
Q: What should I verify before replacement?
A: Check the complete part number, hardware revision, associated terminal board, controller configuration, I/O network arrangement, and existing system documentation before installation.
Q: Is REV. B important when ordering?
A: Yes. The complete model and revision should be matched carefully because Mark VIe I/O packs are available in different hardware groups and revisions.
Q: What should be checked if the module reports an I/O fault?
A: Check module power, IONet connections, terminal-board connections, field wiring, speed sensors, protection inputs, and system diagnostics before replacing the module.
Q: Is this module a complete turbine controller?
A: No. It is an I/O pack that works together with the appropriate Mark VIe controller, terminal board, network, and field devices.
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