SPECIFICATIONS
Part No.: IS200DSVOH1AAA
Manufacturer: General Electric
Country of Manufacture: United States of America (USA)
Size: 17.8 cm wide x 33.02 cm high
Temperature: -30 to + 65oC
Technology: Surface-mount
Number of relay channels 12 relays
Product Type: Servo Terminal Board
Availability: In Stock
Series: Mark VI
Functional Description
IS200DSVOH1AAA is a Servo Terminal Board developed by GE. It is a part of Mark VI control system. The terminal board represents a compact and versatile servo terminal interface meticulously designed for efficient integration within the system framework. Offering multiple I/O options and servo outputs, the DSVO board caters to diverse operational requirements and interfaces with the VSVO processor board for seamless functionality.
Board Features and I/O Capabilities
- Servo Outputs: Equipped with two servo outputs, the terminal board provides extensive support for servo coil currents, offering a selectable range from 10 to 120 mA through jumper selection. This feature ensures adaptable and precise servo operations based on specific system demands.
- Position Sensors and Pulse Rate Inputs: Facilitating sensor connectivity, the board accommodates six LVDT position sensors and incorporates two active pulse rate inputs, primarily utilized for flow measurement applications. The diagrams provide reference illustrations for sensor and input configurations.
- Connectivity and Stacking Configuration
- VSVO Connection: The board seamlessly connects to the VSVO processor board via a 37-pin cable. This cable configuration mirrors those employed on the larger TSVO board, ensuring compatibility and standardized connectivity for consistent system operations.
- Vertical Stacking: To optimize cabinet space utilization, the terminal boards are designed for vertical stacking on the DIN-rail, enabling a space-saving arrangement while maintaining operational efficiency within the cabinet. Furthermore, the VSVO can accommodate connection with up to two DSVO boards, if required, for expanded functionalities.
Functional Equivalence and Diagnostic Identification
- Functional Equivalence: The on-board functions and high-frequency decoupling to ground mirror those present on the TSVO board, ensuring consistency and reliability in operational functionalities across different terminal board variants.
- Terminal Block Configuration: Employing high-density Euro-Block type terminal blocks, the board incorporates six screws dedicated to grounding connections (SCOM), enhancing secure and reliable grounding for system stability.
- Diagnostic Identification: Connectors JR1 and J5 on the board interface with signals from on-board ID chips, facilitating identification processes. These chips play a vital role in identifying the board to the VSVO, serving diagnostic purposes within the system for enhanced monitoring and maintenance.
- The terminal board's compact design, diverse I/O options, consistent functionalities with the TSVO, and efficient diagnostic identification mechanisms highlight its pivotal role in ensuring precise servo operations and reliable sensor connectivity within the system architecture.
Installation
- The installation process for the terminal board involves straightforward procedures ensuring secure mounting and efficient wiring connections for optimal functionality.
- Plastic Holder Mounting: The board seamlessly slides into a dedicated plastic holder, which serves as the mounting apparatus onto the DIN-rail. This holder provides stable support, facilitating secure positioning of the DSVO board within the system infrastructure.
- Wiring Connections
- Euro-Block Terminal Block Connectivity: The servo I/O connections on the board are directly wired to the Euro-Block type terminal block. Depending on the specific variant, the terminal blocks consist of either 36 or 42 terminals. Typically, 18 AWG shielded twisted pair wiring is recommended for establishing these connections.
- Ground Connection (SCOM): Ensuring proper grounding, the DSVO terminal board incorporates six screws designated for SCOM (ground) connections. It is advised to keep these ground connections as short as possible to minimize impedance and optimize system stability.
- Wire Gauge Recommendation: Utilizing 18 AWG shielded twisted pair wiring for typical connections ensures efficient signal transmission while minimizing electromagnetic interference, enhancing overall system reliability.
LVDT Excitation Output
- Number of Outputs: The LVDT (Linear Variable Differential Transformer) excitation output comprises two outputs.
- Frequency: The excitation signal has a frequency of 3.2 kHz with a tolerance of ±0.2 kHz, ensuring stable and precise excitation.
- Voltage: Each output provides a voltage of 7.00 V rms with a tolerance of ±0.14 V, ensuring consistent and accurate excitation of LVDT sensors.
Pulse Rate Input
- Minimum Signal Requirement: Proper measurement requires a minimum signal strength. At a frequency of 2 Hz, the minimum signal amplitude is 33 mVpk, ensuring reliable measurement at low frequencies.
- Maximum Signal Requirement: At a higher frequency of 12 kHz, the maximum signal amplitude required for proper measurement is 827 mVpk, accommodating higher-frequency applications.
The WOC team is always available to help you with your Mark VI requirements. For more information, please contact WOC.
Frequently Asked Questions
What is IS200DSVOH1AAA?
It is a Servo Terminal Board developed by GE under the Mark VI series.
What Inputs Does the terminal board support?
It accommodates two servo outputs, six LVDT position sensors, and two active pulse rate inputs for flow measurement.
Can Servo Coil Currents be Adjusted on the Board?
Yes, it allows the selection of servo coil currents ranging from 10 to 120 mA using jumpers.
Is Triple Modular Redundancy (TMR) Supported by the Terminal Board?
No, the DSVO is exclusively available in the simplex version and does not facilitate TMR applications unlike other terminal boards.
