Description
🔹 Product Description
The GE IS215VCMIH2C, with board revision IS215VCMIH2CC, is a VME Communications Interface Board used in GE Mark VI Speedtronic turbine control systems. The VCMI functions as the VME bus master and provides the communication interface between the Mark VI controller, I/O boards, associated terminal boards, and the IONet control network. The H2 configuration provides three IONet network ports for R, S, and T channels, making it suitable for TMR control architectures. The board also manages board identification and data transfer across the VME backplane, making it an important communication component in Mark VI control and I/O racks.
🔹 Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | General Electric (GE) |
| Model | IS215VCMIH2C / IS215VCMIH2CC |
| Series | Mark VI |
| Product Name | VME Communications Interface Board |
| Functional Acronym | VCMI |
| Place of Manufacture | USA |
| Product Status | New Surplus / Original |
| Dimensions | Approx. 17.8 × 33.0 cm |
| Weight | Approx. 0.45–1.15 kg |
| Board Type | 6U VME Board |
| Power | +5 V DC system supply |
| Discontinued | Legacy product; verify current OEM availability |
🔹 Key Features
• VME bus master interface for GE Mark VI control racks
• Provides communication between the controller and I/O boards
• Interfaces with the Mark VI IONet control network
• H2 configuration provides three IONet ports for TMR R/S/T channels
• Manages identification of boards and associated terminal boards
• Supports data transfer through the VME backplane
• 10Base2 IONet communication interface
• Front-panel Run, Fail, Status, and Reset indicators
• Designed for forced-air cooled Mark VI rack installations
• Suitable for control racks and remote I/O rack communication applications
🔹 Q&A
Q: What is the IS215VCMIH2C used for?
A: It provides VME and IONet communication between the Mark VI controller, I/O boards, and control network.
Q: What does VCMI stand for?
A: VCMI refers to the VME Communications Interface.
Q: What is the difference between IS215VCMIH2C and IS215VCMIH2CC?
A: IS215VCMIH2C identifies the VCMI board assembly, while IS215VCMIH2CC identifies the specific board/revision designation.
Q: How many IONet ports does the H2 version have?
A: The H2 configuration provides three IONet ports corresponding to the R, S, and T channels in a TMR system.
Q: Is this board a VME bus master?
A: Yes. The VCMI serves as the VME bus master for the Mark VI rack and manages communication with installed I/O boards.
Q: What should be checked before replacement?
A: Confirm the complete part number, revision, Mark VI rack configuration, IONet topology, VME slot arrangement, and system software configuration before installation.
🔹 Recommended GE Models
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- IS220PTURH1B – Turbine I/O Module
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