الوصف
The GE IS210DTCIH1AA is a Contact Input Simplex Terminal Board for the Mark VIe series of GE’s Speedtronic Gas Turbine Control Systems. The DTCI in the part number stands for DIN-rail Terminal Contact Input. This board is the physical interface for connecting simple on/off (digital) signals from field devices to the control system in a non-redundant (simplex) configuration.
Key Features and Functionality
The IS210DTCIH1AA is a crucial component for monitoring the status of various field devices. Its main functions include:
- Digital Input Interface: The board provides the physical terminal blocks for connecting dry or wet contact inputs from field devices. A dry contact is a simple switch or relay contact without an external voltage source, while a wet contact has an external voltage applied. The board can be configured to read the status of either type.
- Simplex Configuration: The “Simplex” designation means this board is used in a non-redundant system. Unlike a TMR (Triple Modular Redundancy) system where three separate boards are used for voting, a simplex system uses a single board for each input point.
- DIN-Rail Mounting: The board’s design allows it to be mounted on a standard DIN rail, which is a common and efficient method for organizing and installing control system components in a cabinet.
- Signal Monitoring: The board monitors the status of the connected contacts (open or closed) and sends this digital information to the main I/O pack for use in control logic and diagnostics.
- Application: This board is used for monitoring a variety of digital statuses throughout a turbine, such as valve limit switches (open/closed), pump status (on/off), and alarm conditions.