IS215VCMIH2BB-3 IS215VCMIH2BB-1 IS215VCMIH2BB-2

The GE IS215VCMIH2BB is a mission-critical VME Bus Master Communication Interface Module developed for the Mark VI Speedtronic control platform. Acting as the central communication hub within the control architecture, it enables deterministic, high-speed data exchange between the main controller, distributed I/O modules, and the IONet network.

Designed for demanding turbine control applications, the IS215VCMIH2BB supports real-time synchronization and redundant communication paths, ensuring continuous and stable operation even in complex industrial environments. Its advanced processing architecture and rugged industrial design make it an essential component for power generation, oil & gas, and other high-availability systems.

Technical Specifications

Feature	Specification
Model	IS215VCMIH2BB
Module Type	VME Bus Master Communication Interface Module
Series	Mark VI Speedtronic
Processor	32-bit DSP (TMS320C32 architecture)
Memory	Dual-port RAM + SRAM for real-time data exchange
Communication Interfaces	3 × IONet (10Base2 Ethernet, BNC), 1 × RS-232
Bus Interface	32-bit VMEbus (33 MHz)
Function	VME Bus Master / IONet Controller
System Support	Simplex & TMR (Triple Modular Redundant)
Power Supply	+5V, +12V, +15V, +28V monitored rails
Operating Temperature	-40°C to 70°C
Dimensions (L × W × H)	178 × 101 × 76 mm
Weight	1.27 kg
Mounting	6U VME Rack Installation

Recommended Related Models

GE IS215VCMIH2B – Standard H2 version with multi-IONet capability
GE IS215VCMIH1B – Single IONet interface for smaller systems
GE IS215UCVGM06A – VME controller processor module

Popular GE Models

GE IS220PTURH1B Turbine I/O Module
GE IS200VVIBH1B Vibration Monitoring Board
GE IS200IGDMH1B Gate Driver Module

Applications

Gas and steam turbine control systems
Power generation plants and combined-cycle facilities
Distributed I/O communication in Mark VI architectures
Real-time industrial process control requiring deterministic networking

Advantages

VME Bus Master Control: Manages all rack-level communication and board coordination
Triple IONet Connectivity: Enables redundant and segmented network configurations for high availability
Deterministic Real-Time Communication: Ensures millisecond-level response for turbine control loops
Rugged Industrial Design: Withstands vibration, temperature extremes, and electrical noise
Advanced Diagnostics: Built-in monitoring of voltage rails and system status improves reliability

Technical FAQs

What is the main function of IS215VCMIH2BB?
It serves as the VME bus master and communication interface between controllers and I/O networks.
Which system uses this module?
It is designed for GE Mark VI Speedtronic turbine control systems.
How many IONet ports are available?
Three IONet ports for redundant communication.
What type of communication does it support?
IONet (10Base2 Ethernet) and RS-232 serial communication.
Does it support redundant architectures?
Yes, it supports simplex and TMR (Triple Modular Redundant) systems.
What is the module’s role in the VME rack?
It acts as the bus master controlling communication between all boards.
What are the physical dimensions?
178 × 101 × 76 mm (L × W × H).
What is the weight of the module?
Approximately 1.27 kg.
Is it suitable for harsh industrial environments?
Yes, it is designed for operation in extreme temperature and vibration conditions.
Why is it critical in turbine control systems?
It ensures synchronized, real-time communication, which is essential for safe and stable turbine operation.