IS230TBAOH1C - Analog Output Assembly

IS230TBAOH1C - Analog Output Assembly IS230TBAOH1C - Analog Output Assembly

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Part No.: IS230TBAOH1C
Manufacturer: General Electric
Product Type: Analog Output Assembly
Size: 10.16 cm wide x 33.02 cm high
Temperature: -30 to +65oC
Number of channels: 16
Technology: Surface-mount
Availability: In Stock
Country of Manufacture: United States (USA)
Series: Mark VIe

Functional Description

IS230TBAOH1C is an Analog Output Assembly developed by GE. It is a part of Mark VIe control system. It boasts support for up to 16 analog outputs, with each output featuring a current range of 0-20 mA. This substantial number of analog outputs allows for versatile and precise control over various external devices and processes. The current outputs are skillfully generated by the I/O processor, which can be either local (Mark VIe) or remote (Mark VI). This flexibility in processor options enables seamless integration of the TBAO into different control systems, catering to the specific needs and preferences of the user.


  • To ensure reliable and stable current outputs, the module incorporates noise suppression circuitry. This advanced circuitry acts as a protective shield against electrical surges and high-frequency noise that may be present in industrial environments. By effectively mitigating these unwanted disturbances, the product maintains accurate and consistent analog current signals, preventing erroneous readings and enhancing overall system performance.
  • The board features two barrier-type terminal blocks that are thoughtfully provided for customer wiring. These terminal blocks offer a secure and reliable means for connecting the TBAO outputs to external devices or actuators. The barrier design ensures that the wiring connections are well-protected, reducing the risk of accidental shorts or damage during maintenance and operation.
  • In addition to the barrier-type terminal blocks, card boasts six D-type cable connectors. These connectors offer a convenient and efficient way to interface with other components or systems in the control setup. The D-type connectors are widely used for reliable data transmission, providing a robust connection for the analog outputs and promoting seamless communication between the assembly and other control system elements.
  • The combination of barrier-type terminal blocks and D-type cable connectors makes the TBAO an ideal choice for various applications. The terminal board's design enables easy installation, maintenance, and expansion, offering a high degree of flexibility and adaptability to suit changing system requirements.


  • The terminal board features a sturdy and efficient design, ensuring secure and organized connections for the 16 analog outputs. The board is firmly attached to a vertical mounting plate, providing a stable foundation for the terminal blocks and wiring.
  • The 16 analog outputs are directly wired to two I/O terminal blocks mounted on the left side. These terminal blocks are specifically designed to accommodate the analog output wiring effectively. Each terminal block can accept two 3.0 mm (#12AWG) wires with 300 V insulation per point, using either spade or ring type lugs. This flexibility in wire size and lug type allows for easy and adaptable connections, catering to different installation requirements.
  • For secure and reliable connections, each terminal block is held in place with two screws. This ensures that the wiring connections remain firmly seated even in challenging industrial environments, minimizing the risk of loose or faulty connections during operation.
  • Adjacent to each terminal block, a shield terminal strip is thoughtfully placed and attached to chassis ground. This shield terminal strip is essential for grounding and shielding the analog outputs. It protects the output signals from electromagnetic interference and noise, ensuring signal integrity and accurate measurements.
  • The inclusion of the shield terminal strip immediately to the left of each terminal block streamlines the wiring process and enhances the overall organization of the TBAO terminal board. By keeping the grounding points close to the terminal blocks, the board minimizes the length of the grounding wires, reducing the possibility of ground loops and further improving the reliability of the analog outputs.
  • The well-organized layout and robust construction of the terminal board make it an excellent choice for managing analog outputs in various control systems. The vertical mounting plate provides a secure foundation, while the two I/O terminal blocks with 24 terminals each offer ample connectivity options. With the shield terminal strips conveniently located, the board ensures that the analog outputs are shielded from interference, guaranteeing precise and dependable measurements.

World of Controls has the most comprehensive collection of GE Mark VIe components. Please contact WOC as soon as possible if you require any extra information.


Frequently Asked Questions


What is IS230TBAOH1C?
It is an Analog Output Assembly developed by GE

How many analog control outputs does the terminal board support?
The terminal board supports a total of 16 analog control outputs. This allows for precise and flexible control over various external devices or processes.

What are the limitations on the driven devices connected to the analog control outputs?
The driven devices should not exceed a resistance of 500 ohm. However, if I/O packs are used, the resistance limit is increased to 900 ohm. Adhering to these resistance limits ensures the proper functioning and reliability of the analog control outputs.

What is the maximum distance between the turbine control cabinet and the driven devices?
The driven devices can be located up to 300 meters (984 feet) away from the turbine control cabinet. This extended distance allows for flexible placement of the controlled devices while still maintaining precise control from the central control system.