Description
The GE IS200VCRCH1B (VCRC) is a digital input/output control card developed by General Electric for the Speedtronic Mark VI turbine control system. It is engineered to process, condition, and manage discrete I/O signals, ensuring reliable communication and logic execution between field devices and the core control processors.
📋 Technical Specifications Datasheet
- Brand: GE (General Electric / Industrial Systems)
- Model: IS200VCRCH1B (Functional Acronym: VCRC)
- Series: Mark VI Control Platform
- Product Name: Digital I/O Control Card / VME Board
- Manufacturing Origin: United States
- Product Status: Industrial Control Standard / Replacement Part
- Dimensions: Standard Mark VI rack-compatible printed circuit board form factor
- Weight: Approximately 0.75 kg
- Original Equipment Manufacturer: GE Energy / Industrial Solutions
- Power Rating: Low-voltage internal VME rack DC power distribution
⚙️ Operating Norms and Usage
- Observe strict electrostatic discharge (ESD) safety protocols, utilizing a properly grounded wrist strap when handling or installing the printed circuit board.
- Mount the board securely into its designated VME rack slot within the Mark VI core enclosure, ensuring full edge-connector and backplane pin engagement before fastening.
- Verify all internal ribbon cables, daughterboards, and plug-in wire harnesses against system installation drawings prior to powering up.
⚡ Power-On / Power-Off Sequence
- Power-On Sequence: Confirm all core rack power supplies and incoming terminations are secure, energize the low-voltage VME rack logic supply, and monitor front-panel diagnostic indicators for normal communication initialization.
- Power-Off Sequence: Disable active turbine control loops via the HMI, power down the rack power distribution sources, and allow complete circuit discharge before removing or servicing the board.
📖 Product Usage Instructions
- Continuously monitor board-level diagnostic LED indicators and system HMI status to track digital I/O loop health and communication integrity.
- Use GE ToolboxST configuration software to verify channel mapping, filter times, firmware versions, and diagnostic logs associated with the VCRC card.
- Periodically inspect rack backplanes and board components for dust accumulation, oxidation, or mechanical vibration wear.
❓ Common Questions & Answers Q&A
- Q: What is the primary role of the IS200VCRCH1B card in the Mark VI system?
A: It functions as a digital I/O control card, routing and processing discrete signals between external terminal boards and the main VME control processors.
- Q: Does replacing this board require software updates?
A: Yes, the replacement module must be configured with the correct firmware and project files using ToolboxST to ensure proper electronic keying and system operation.
Recommended Alternative Series & Models
- GE Mark VI Board: IS215VCMIH1CC
- GE Mark VI Board: IS215UCVEH2AE
- GE Mark VI Board: IS200TDBTH2A
- GE Mark VIe Module: IS420UCSCH1A
- GE Mark VI Board: IS215AEPCH1FA
- GE Mark VI Board: IS200DSPCH1AEA
- GE Control Board: DS200TBCIG1AAB
- GE Drive Board: 531X301DCCAFG2
- GE Terminal Board: 531X305NTBAPG1
- GE Multilin Relay: SR750-P1-G1-S1-HI-A20-R-E-H


