GE Mark VI Analog I/O Board IS200VAICH1DAA

Versatile Analog Signal Processing for Industrial Control

General Electric engineered the IS200VAICH1DAA for comprehensive signal handling. This Analog Input/Output Board operates within Mark VI Speedtronic systems. It provides reliable processing for multiple analog signals in turbine control applications.

Core Technical Specifications

• Manufacturer & Model: General Electric IS200VAICH1DAA
• Product Type: Analog Input/Output Board
• Series: Mark VI Speedtronic System
• Input Channels: 20 analog inputs
• Output Channels: 4 analog outputs
• Input Span: 4-20 mA standard range
• Power Consumption: Less than 31 mW

Configuration Options

• Simplex Configuration: Single VAIC for basic applications
• TMR Configuration: Triple redundant for critical systems
• Adaptable to different system requirements
• Simplified setup for integration and maintenance
• Suitable where single VAIC meets requirements
• Enhanced fault tolerance in TMR configuration

Output Range Capabilities

• 4-20 mA standard current loop outputs
• 0-200 mA extended range capability
• Drive voltage up to 18 V at terminal board screws
• Operates into loads up to 800 ohm resistance
• Supports 1000 ft of #18 AWG wiring
• Maintains signal integrity over long distances

TMR System Operation

• Input signals fanned out to R, S, T VME racks
• Each rack hosts independent VAIC instance
• Proprietary circuit harmonizes three VAIC outputs
• Failover mechanism isolates faulty VAIC
• Remaining two VAICs maintain correct output
• Significantly enhances system reliability

Signal Processing Functions

• Converts analog inputs to digital values
• Transmits digital values via VME backplane to VCMI
• VCMI transfers values to system controller
• Converts digital values to analog output currents
• Drives currents through terminal board to customer circuits
• Gas turbine compressor stall detection firmware included

Terminal Board Compatibility

• Connects to STAI and TBAIH1C terminal boards
• Each terminal board accepts 2 outputs and 10 inputs
• Multiple terminal boards can connect to single VAIC
• J3 and J4 latching connectors on VME rack
• Secure cable connections for reliable operation
• 24 VDC power supply to transducers from all VME racks

Installation & Commissioning

• Connect cables to J3/J4 latching connectors on VME rack
• Ensure secure cable attachment for stable communication
• Power up VME rack after cable connections established
• Check diagnostic lights at top of front panel
• Normal operation indicated by predefined light patterns
• Consult documentation for fault pattern interpretation

Output Port Configuration

• JR1, JS1, JT1 output ports for TMR configuration
• Analog inputs sent to three control racks in TMR mode
• Two multiple-pin terminal strips for connections
• Output currents fed from all VAIC units in TMR
• Power selection on terminal board or via diode
• Flexible output routing based on system configuration

Physical Specifications

• Technology: Surface-mount construction
• Location: VME rack mounting
• Manufacturing Origin: United States
• Designed for industrial control environments
• Robust construction for reliable operation
• Optimized for power generation applications

Application Areas

• Gas turbine control and monitoring systems
• Steam turbine analog signal processing
• Wind turbine control system interfaces
• Industrial process analog I/O requirements
• Power generation control system integration
• Critical analog signal handling applications

System Integration

• Part of Mark VI Speedtronic control architecture
• Central to analog signal processing functions
• Integrates with various terminal board types
• Compatible with gas, steam, and wind turbine systems
• Enhanced functionality over previous Mark V systems
• Designed for seamless system integration

Product Availability

• Current Status: In stock for immediate shipment
• New and original General Electric component
• Three-fold revision history with two functional revisions
• Single artwork configuration revision
• Manufactured by GE Industrial Systems
• Ready for integration into control systems

Documentation & References

• Refer to GEH-6421 Vol. II Mark VI System Guide
• Comprehensive instruction manual available
• Datasheet provides detailed specifications
• Technical support for installation and operation
• Complete hardware and application documentation
• Safety and handling guidelines provided

Shipping & Delivery

• Fast shipping via FedEx, UPS, and DHL services
• Orders typically ship within 24 business hours
• International shipping available worldwide
• Complete tracking information provided
• Professional packaging ensures board protection

Frequently Asked Questions (FAQ)

How many analog channels does this board provide?

• The IS200VAICH1DAA provides 20 analog inputs and 4 analog outputs for comprehensive signal processing.

What output current ranges are supported?

• Supports standard 4-20 mA and extended 0-200 mA output ranges for various applications.

How does TMR redundancy work?

• In TMR mode, three VAICs process signals simultaneously with failover that isolates faulty units while maintaining output.

What terminal boards are compatible?

• Compatible with STAI and TBAIH1C terminal boards, with each handling 2 outputs and 10 inputs.

What is the maximum load resistance supported?

• Can operate into loads up to 800 ohm, supporting 1000 ft of #18 AWG wiring with 18V drive capability.

How is the board configured for different systems?

• Supports both simplex (single VAIC) and TMR (triple redundant) configurations based on application requirements.