GE IS200VCRCH1BBB Discrete Input/Output Board
Delivery time 3 days
Product origin New/used
Email plcru@foxmail.com
Mobile/wechat /WhatsApp +86 18185397189
The IS200VCRCH1BBB is a dedicated discrete I/O terminal processing board for the
The IS200VCRCH1BBB is a dedicated discrete I/O terminal processing board for the GE Speedtronic Mark VI series steam turbine control system. It is a single-slot module based on the VME bus architecture, specifically designed for industrial field switch signal acquisition and relay control output. It is a core signal interface component in the control systems of power plants such as gas turbines and steam turbines.
Core Positioning and Architecture
This board belongs to the VCRC series (Versatile Contact Input/Relay Output), with functions identical to the VCCC dual-slot board, but employs a compact single-slot design, eliminating the need for a daughterboard and saving cabinet space. As a discrete signal terminal processor for the Mark VI system, it is responsible for connecting the switching signals from field dry contacts, limit switches, solenoid valves, and other devices to the control system, and outputting control commands to drive external relays and solenoid valve actuators.
Key Specifications and Electrical Characteristics
Input Capabilities: 48 independent discrete dry contact inputs, supporting passive contact signal input. All input channels have 1500V opto-isolation and built-in 4ms hardware filtering to effectively suppress field electromagnetic interference.
Output Capability: 24-channel relay/sowary outputs, using electromagnetic relay contact outputs, supporting AC/DC load drive, meeting the control requirements of equipment such as solenoid valves, indicator lights, and contactors in industrial settings.
Response Performance: Maximum input and output response time is 25ms, meeting the real-time requirements of turbine control for switching signals.
Physical and Environmental Considerations: Single-slot VME structure, operating temperature 0–60℃, industrial-grade wide-temperature design, suitable for harsh industrial environments such as power plants and petrochemical plants.
Connectivity and Compatibility: Connects to the TBCI backplane via dedicated connectors, and uses DTCI and DRLY European-style terminal blocks for field wiring, supporting hot-swapping for easy online maintenance and replacement.
Core Functions and Advantages: High-Reliability Signal Isolation: Full-channel opto-isolation design completely isolates high-voltage field power from low-voltage control system power, protecting the core control unit from surges, short circuits, and other faults.
Compact and Efficient Layout: A single-slot design integrates 48 inputs and 24 outputs, achieving high-density I/O configuration within limited rack space and reducing system wiring complexity.
Industrial-Grade Stability: Utilizing military-grade components and a multi-layer PCB design, it boasts strong vibration and interference resistance, meeting the reliability requirements of 24/7 continuous operation for steam turbine control systems.
Convenient Maintenance: Supports hot-swapping, allowing module replacement without system shutdown, significantly reducing unplanned downtime and improving equipment availability.
Typical Applications:
Gas/Steam Turbine Control: Acquires dry contact signals such as valve position, pressure switch, and temperature alarm, and outputs control commands for solenoid valves and trip relays.
Power Plant Auxiliary Systems: Used for start-stop control and status monitoring of auxiliary equipment such as pumps, fans, and oil pumps.
Industrial Power Plants: Adapted to the switching control circuits of large rotating machinery such as compressors and generators.
Petrochemical Plants: Used for discrete signal processing in process interlocking and emergency shutdown (ESD) systems.
System Compatibility
Fully compatible with GE Mark VI and Mark VIe control systems, it can be directly inserted into the VME rack and works seamlessly with the system CPU and communication modules.
Supports mixed configuration with other Mark VI series I/O modules (such as analog inputs and pulse input boards) to build a complete turbine control signal chain.
Related products