GE IS200VAICH1CBR Analog Input Board

Description

Configured for direct digital control in General Electric Mark VI networks, the GE IS200VAICH1CBR (IS200VAICH1C Analog Input Board) provides direct physical/electrical execution. This VME form-factor hardware assembly serves as the primary processing card utilized to interface, condition, and digitize up to 12 channels of analog signals from field transmitters, including standard current loops and voltage inputs, within the turbine control architecture.

Hardware Specifications

• Model: IS200VAICH1CBR
• Brand: General Electric
• Origin: United States
• Weight: 1.9 kg
• Dimensions: Standard VME size, 33.0 cm high x 17.8 cm wide
• Operating Temp: 0 to 65 deg C
• Analog Inputs: 12 channels (supports -10 to +10 VDC, 0-20 mA, and 4-20 mA configurations)
• Board Revision: H1CBR (conformal coated, specific functional revision)
• System Platform: Mark VI Control System

I/O Density Scaling and Deterministic Networks

The hardware architecture governs localized I/O density scaling by executing high-resolution analog-to-digital (A/D) conversion routines across its 12 input paths. The digitized sensor data packets travel across the VME backplane via high-velocity backplane bus communication velocities to the master controller. The board utilizes specialized filtering circuits to interface cleanly with Profinet / EtherNet/IP deterministic networks components, ensuring complete firmware flash compatibility with the runtime control operating system while suppressing high-frequency field noise.

Frequently Asked Questions

Q: What does the "CBR" suffix denote on this specific board model? A: The "CBR" suffix designates a precise hardware revision matrix that guarantees factory-applied conformal coating for environmental protection against atmospheric particulates, alongside specific component optimizations for long-term electrical reliability on high-vibration turbine decks.

Q: Does this board provide onboard power distribution for external 2-wire field transmitters? A: No. The IS200VAICH1CBR card is designed strictly for signal acquisition and processing. Excitation and loop power for 2-wire or 4-wire transmitters must be routed and fused through the associated external terminal boards (such as the TAID or TBAO).

Field Installation Guidelines

• Insert the board vertically into its allocated slot within the Mark VI VME chassis rack, ensuring that the rear high-density pins align with the backplane connectors before fully engaging the top and bottom mechanical injector levers.
• Fasten both faceplate retention screws to exactly 0.5 Nm to secure the card against physical vibration, maintain structural alignment, and establish a continuous chassis ground connection.
• Verify that all external analog cable shields are terminated at the primary cabinet clean earth busbar to prevent electromagnetic cross-coupling from inducing measurement fluctuations on the 12 analog input channels.