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GE IS200VCMIH2BE VME Communication Interface Board

Configured for deterministic data transfer between controller and I/O modules in the GE Mark VI turbine control system, the GE IS200VCMIH2BE (IS200VCMIH2BE VME Communication Interface Board) provides direct physical/electrical execution through VMEbus and serial communication paths.

Hardware Specifications

Parameter	Specification
Model	IS200VCMIH2BE
Brand	GE
Origin	United States of America
Product Type	VME Communication Interface Board
System Series	Mark VI Speedtronic
Processor	Motorola MPC860 PowerPC, 32-bit RISC
Clock Speed	100 MHz
Memory	16 MB DRAM, 4 MB Flash
Non-Volatile Storage	512 KB EEPROM
Communication Interfaces	VMEbus, Ethernet 10/100 Mbps, RS-232
Fiber-Optic Links	2 high-speed serial channels for I/O communication
Operating Voltage	+5 VDC, +/-12 VDC from backplane
Isolation Rating	2500 Vrms
Operating Temp	-30 to +65 deg C
Storage Temperature	-40 to +85 deg C
Humidity Range	5% to 95% RH, non-condensing
Dimensions	233 mm x 160 mm x 25 mm
Weight	0.9 kg
Response Time	Less than 10 ms communication cycle
Mounting Type	Single-slot VME rack mount

Deterministic Network Communication and Firmware Compatibility

The IS200VCMIH2BE manages communication synchronization between Mark VI controller processors and distributed I/O boards through VMEbus and fiber-optic serial channels. The module supports deterministic network timing by coordinating data exchange cycles between connected control components.

Firmware flash compatibility is required for proper initialization with the Mark VI control platform. The installed firmware revision must correspond with the controller configuration and ToolboxST engineering environment.

Frequently Asked Questions

Q: What communication interfaces are available on the IS200VCMIH2BE?
A: The board provides VMEbus communication, Ethernet 10/100 Mbps, RS-232 interface, and two high-speed fiber-optic serial channels for I/O communication.

Q: What backplane power connections are required for this module?
A: The board receives power from the VME backplane through +5 VDC and +/-12 VDC supply rails.

Q: Can the IS200VCMIH2BE operate in redundant Mark VI configurations?
A: The module supports Mark VI redundant architectures including TMR-based system configurations when installed with compatible controller and I/O hardware.

Field Installation Guidelines

Install the IS200VCMIH2BE in the designated Mark VI VME rack slot and verify correct mechanical seating before applying power. Confirm that the backplane connector is fully engaged and free from contamination.

Route fiber-optic communication cables separately from high-current power conductors to reduce electromagnetic interference exposure. Maintain proper cable bend radius according to fiber cable specifications.

Use appropriate grounding practices for the VME rack chassis. Verify shield termination and cable routing before system startup. Confirm firmware compatibility and communication status through controller diagnostics and front-panel indicators.

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