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IS200VCRCH1B GE Module Parts Mark VI VCRC Discrete Input/Output Board
The GE IS200VCRCH1B is a VCRC Discrete Input/Output Board designed for the GE Mark VI Speedtronic Turbine Control System. It is used in gas turbine and steam turbine control applications to process field contact inputs and interface with relay output terminal boards.
The VCRC board provides functionality similar to the VCCC board while occupying only one VME rack slot. It does not require the VCCC daughterboard, helping reduce rack space. Its front panel includes two cable connectors, J33 and J44, for interfacing with the associated contact input terminal boards.
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Model Number | IS200VCRCH1B |
| Functional Acronym | VCRC |
| Product Type | Discrete Input/Output Board |
| Product Series | GE Mark VI |
| Control Platform | Speedtronic Turbine Control System |
| Rack Interface | VME |
| Rack Occupancy | Single VME slot |
| Discrete Input Capacity | Up to 48 contact inputs, depending on terminal-board configuration |
| Input Terminal Board | TBCI |
| Relay Output Interface | TRLY |
| Relay Output Capacity | Up to 24 relay outputs in supported configurations |
| Front Panel Connectors | J33 and J44 |
| Event Recording | Sequence of Events (SOE) |
| SOE Time Resolution | 1 ms |
| Minimum Reported Pulse Width | Approximately 6 ms |
| Status Indicators | RUN, FAIL and STATUS LEDs |
| Typical Applications | Gas turbines, steam turbines and power generation |
The IS200VCRCH1B receives discrete signals from field devices through TBCI contact input terminal boards. These signals can represent equipment status, switch positions, alarms, permissive conditions and turbine protection states.
The board interfaces with TRLY relay terminal boards to support output switching and control commands. Depending on the terminal-board configuration, relay outputs can operate external solenoids or provide dry Form-C contacts.
The board supports high-speed contact monitoring and SOE event recording. Event transitions can be recorded with 1 ms time resolution, helping operators investigate equipment trips and process disturbances.
The IS200VCRCH1B is a VCRC discrete input/output board used in GE Mark VI Speedtronic turbine control systems. It interfaces with contact input and relay output terminal boards.
Its main function is to process discrete contact inputs and interface with relay output circuits for turbine monitoring, control and protection applications.
It can support up to 48 contact inputs through the appropriate TBCI terminal-board arrangement.
Supported Mark VI configurations can provide up to 24 relay outputs through associated TRLY terminal boards. The actual number depends on the installed terminal-board arrangement.
GE Mark VI VCRC I/O Board
,IS200VCRCH1B Discrete I/O Module
,GE Module Parts VCRC Board
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