IS215VCMIH2B-3 IS215VCMIH2B-1 IS215VCMIH2B-2

The GE IS215VCMIH2B is a high-reliability VME Bus Master Communication Interface Module developed for the Mark VI Speedtronic turbine control platform. As the central communication gateway within the control architecture, it manages data exchange between the controller, I/O modules, and the IONet system network.

Designed specifically for mission-critical applications such as gas and steam turbines, the IS215VCMIH2B enables deterministic, low-latency communication while supporting redundant network configurations. Its advanced DSP-based architecture and multi-port IONet capability make it a cornerstone module for ensuring stable, synchronized, and real-time control across complex industrial systems.

Technical Specifications

Feature	Specification
Model	IS215VCMIH2B
Module Type	VME Bus Master Communication Interface Module
Series	Mark VI Speedtronic
Processor	32-bit DSP (TMS320C32)
Memory	Dual-port RAM + SRAM + Flash
Communication Interfaces	3 × IONet (10Base2 Ethernet, BNC), 1 × RS-232C
Network Speed	10 Mbps
Function	VME Bus Master / I/O Network Controller
System Support	Simplex & TMR (Triple Modular Redundant)
Operating Voltage	+5 VDC (via VME backplane)
Operating Temperature	-30°C to 65°C
Dimensions (L × W × H)	330 × 100 × 200 mm
Weight	2.0 kg
Mounting	6U VME Rack Installation

Recommended Related Models

GE IS215VCMIH1B – Single IONet interface version for smaller systems
GE IS215UCVGM06A – VME controller processor module
GE IS215WEMAH1B – I/O interface and signal conditioning board

Popular GE Models

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

Applications

Gas turbine and steam turbine control systems
Power generation plants and energy infrastructure
Distributed I/O communication within Mark VI architecture
Real-time control loops requiring deterministic network response

Advantages

True VME Bus Master Capability: Controls rack-level communication and board addressing
Triple IONet Ports: Enables redundant and segmented network architectures for higher reliability
Deterministic Communication: Ensures millisecond-level response for critical control loops
DSP-Based Processing Power: Handles complex real-time data exchange efficiently
Built for TMR Systems: Ideal for high-availability turbine control environments

Technical FAQs

What is the main function of IS215VCMIH2B?
It acts as the VME bus master and communication interface between controllers and I/O networks.
What makes the H2 version different from H1?
The H2 version includes three IONet ports for redundancy and higher data throughput.
Which systems use this module?
It is used in GE Mark VI Speedtronic turbine control systems.
How many communication ports are available?
Three IONet ports and one RS-232 serial port.
What is the role of the VME bus master?
It manages communication and addressing for all boards within the control rack.
What is the operating voltage?
+5 VDC supplied via the VME backplane.
What are the physical dimensions?
330 × 100 × 200 mm (L × W × H).
What is the module weight?
Approximately 2.0 kg.
Does it support redundant systems?
Yes, it is fully compatible with TMR (Triple Modular Redundant) configurations.
Why is this module critical in turbine control systems?
It ensures synchronized, real-time communication between control and I/O systems, which is essential for safe turbine operation.