Note; All products on this site are special products, the market price has been fluctuating, the specific customer service offer shall prevail, because the product is a new product, the picture is not a real shot, please confirm with customer service before placing an order model and product, price and other details, the site used, new are for sale, please contact customer service communication. The IS200VCRCH1BBC is a discrete I/O processor board (VCRC board) integrated in the GE Speedtronic Mark VI control system. As a VME architecture-based I/O module, it is primarily designed for the acquisition, processing and relay output control of discrete signals. It is compatible with TBCI input terminal boards and TRLY relay output terminal boards, and is widely used in the control and monitoring scenarios of heavy industrial equipment such as gas/steam turbines. The module enables efficient management of 48 channels of discrete input and 24 channels of relay output, serving as a critical component for discrete I/O signal processing in the Mark VI system.
Technical Specifications
Model: IS200VCRCH1BBC (Mark VI VCRC Series Discrete I/O Board)Dimensions: 26.04 cm × 1.99 cm × 18.73 cmOperating Temperature: 0–60°CResponse Time: Maximum response time of 25 ms for both relay pull-in and releaseRelay Contact Material: Silver-cadmium oxide, ensuring switching reliability and service lifeMounting Method: VME I/O rack mounting, compatible with Mark VI system standard racks and capable of working in conjunction with other IS200 series modulesCompatible Terminal Boards: "H" variants of TBCI (input) and TRLY (output) (not the "S" safety versions)Communication Interface: Dual sets of J3/J4 connectors for communication and power distribution
Core Functions
Discrete Signal Processing: Supports the acquisition of 48 channels of discrete input signals and control of 24 channels of relay output signals, compatible with AC/DC voltage signals. It can connect to external actuators such as motors and indicator lights, meeting the requirements of equipment status monitoring and action control in industrial field applications.
Terminal Board Compatibility: Compatible with 4 terminal boards, among which TBCI is used for discrete input signal access and TRLY for relay output signal transfer. Reliable connection with terminal boards is achieved via J3/J4 connectors, ensuring stable signal transmission.
System Communication and Integration: Compatible with the VME bus architecture of the Mark VI system, it enables high-efficiency communication with the system main controller and other I/O modules. It supports real-time execution of control logic and data interaction, guaranteeing the rapid transmission of control commands and status feedback.
Diagnostics and Maintenance: Equipped with LED status indicators, it can visually display the operating status and fault information of input/output channels, facilitating quick on-site troubleshooting. It supports hot swapping (subject to compliance with system specifications), eliminating the need for overall system shutdown during maintenance and improving system availability.
Application Scenarios
This module is mainly applied in the control field of heavy-duty gas turbines and steam turbines governed by the GE Mark VI control system, with specific scenarios including:
- Discrete signal acquisition and actuator control during turbine startup/shutdown processes;
- Equipment operation status monitoring (e.g., valve position, pressure switch status, etc.);
- Output control of fault alarm and emergency shutdown signals to ensure the safe operation of equipment;
- Interlock control of discrete devices in industrial automation production lines, suitable for various discrete signal-intensive control scenarios.
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