IS230TDBTH6A - Discrete I/O Board

SPECIFICATIONS

Part No.: IS230TDBTH6A
Manufacturer: General Electric
Product Type: Discrete I/O Board
Size: 17.8 cm wide x 33.02 cm high
Operation Temperature: -30 to 65 degrees Celsius
Max response time on: 25 ms typical
Max response time off: 25 ms typical
Contact material: Silver cad-oxide
Input filter: Hardware filter, 4 ms
Technology: Surface-mount
Availability: In Stock
Country of Manufacture: United States (USA)
Series: Mark VIe

Functional Description

IS230TDBTH6A is a discrete I/O board developed by GE. It is a part of Mark VIe control system. The Discrete Input/Output terminal board is used for TMR redundancy with either DIN-rail or flat mounting. Three PDIO I/O packs connect to the controllers via Ethernet and plug into D-type connectors. The board is a TMR contact input/output terminal board that can be mounted on a DIN-rail or flat surface. The board accepts 24 group isolated contact inputs from an external source with a nominal 24, 48, or 125 V dc wetting voltage. To protect against surge and high-frequency noise, the contact inputs have noise suppression. The TDBT has 12 form-C relay outputs and can be expanded with an option card. The PDIO I/O pack works with the TDBT in Mark VIe systems. Three I/O packs connect to the controllers via D-type connectors and communicate via Ethernet. Three PDIO connection points are provided. JR1 would be networked to the R controller with dual controllers on the connector, JS1 to the S controller, and JT1 to both the R and S controllers. TMR controllers provide a single network connection to each PDIO that leads to the respective controller. Not intended to function properly with a single I/O pack.

Features

• Relay Option Board Compatibility: Ddesigned to be used with a relay option board. This option board conveniently plugs into the JW1 and JW2 on the module. The option board is securely held in place by the force exerted by the connectors, ensuring a reliable connection.
• Terminal Point Functionality: Features relay terminal points labeled TB1, and the function of each terminal point depends on the presence of an option board. The table provided in the documentation identifies the specific functions associated with each relay terminal point, providing clear guidance on their usage and capabilities.
• External Power Connection: In cases where external power is required for the operation of the module or the option board, a connector on the option board is used for the power connection. This enables the module to receive the necessary power supply from an external source, facilitating its proper functioning.
• Diagnostic Feedback: Incorporates the capability to monitor an isolated set of contacts on each relay. This monitoring feature provides diagnostic feedback to the PDIO (Programmable Digital Input/Output) system, indicating the state of each relay. By monitoring the relay status, the module enables efficient detection of any relay-related issues or faults, contributing to effective troubleshooting and maintenance.
• Position Feedback to PDIO Packs: Ensures position feedback is received by all three PDIO packs. This feedback mechanism enables the PDIO system to be aware of the status and position of each relay. This information is crucial for accurate control and monitoring of the relays and the connected devices, enhancing the overall functionality and reliability of the system.
• Fuse Status Detection: When the module is used in conjunction with the WROB, isolated voltage feedback is utilized to detect the status of the board's six fuse pairs. This feedback is provided by the connectors to all three PDIO packs. This feature allows for efficient monitoring of the fuse status, aiding in the identification of any blown fuses or abnormal conditions that may affect the performance of the board.

IS230TDBTH6A Installation

When it comes to installing the board, it's essential to follow precise steps to guarantee a secure and reliable setup. This installation guide outlines the key procedures involved in mounting the board and wiring connections for seamless integration.

Mounting the Board

• Board and Insulator Placement: The board, along with a plastic insulator, should be mounted on a sheet metal carrier. This carrier is designed to provide stability and protection to the board during operation.
• DIN Rail Installation: To ensure a secure and standardized mounting solution, the sheet metal carrier is then mounted on a DIN rail. DIN rails are commonly used in industrial settings and offer a reliable platform for various control and automation components.
• Sheet Metal Assembly Option: Alternatively, the plus insulator can be mounted on a sheet metal assembly, which is then securely bolted into a cabinet. This method provides flexibility in placement and can be particularly useful when integrating the board into existing cabinet configurations.

Wiring Connections

• Terminal Blocks: The connections for the board are wired directly to two sets of 48 terminal blocks. These terminal blocks typically accommodate wires ranging from 24 to 12 AWG, ensuring compatibility with a wide range of wire gauges commonly used in industrial applications.
• Terminal Block Assignment: There are two sets of terminals on the board:
• Upper Set (TB1): This set of terminals is primarily connected to the relay portion of the board, facilitating the control and switching functions associated with relays.
• Lower Set (TB2): The lower set of terminals is dedicated to the contact input circuits, enabling connections to external input signals.
• Screw Assignments: The screw assignments for the two terminal sets (TB1 and TB2) mirror those found on the SRLY relay board and the STCI contact input terminal board. This consistency simplifies the wiring process and allows for standardized connections across various board types.
• Shield Termination: To ensure proper grounding and shielding, shields should be terminated with their dedicated brackets. This step is crucial for maintaining signal integrity and minimizing electromagnetic interference.

Product Attributes

• Mounting: DIN-rail mountable, allowing for easy and standardized installation in control cabinets and industrial settings. DIN-rail mounting simplifies the integration of these boards into existing systems.
• Contact Inputs: These boards are designed to accept up to 24 group-isolated contact inputs. This feature is particularly useful in scenarios where multiple input signals need to be managed, providing versatility in control applications.
• Nominal Voltage: Operates at a nominal voltage of 125 V dc, making it suitable for various industrial voltage requirements. This voltage rating ensures compatibility with typical industrial power supplies.
• Board Type: Among the series, this particular variant stands out as the most powerful version. Its enhanced capabilities make it suitable for applications demanding robust control and protection solutions.
• Terminal Blocks: The board features two terminal blocks, TB1 and TB2, conveniently located side by side on one long board edge. This arrangement streamlines the wiring process and offers a compact and organized layout for connections.
• Relays: Twelve relays are integrated into the board, arranged in three lines of four. This relay configuration enables precise control and switching functions, making it ideal for applications where multiple relays are required.
• Metal Oxide Varistors (MOVs): The inclusion of forty-nine MOVs enhances protection against voltage spikes and transient surges. This feature ensures the safety and longevity of connected equipment and helps safeguard critical processes.
• Connectors: The board includes three female connectors, namely JE1, JW1, and JW2. These connectors facilitate external connectivity and signal routing, enabling seamless integration into larger control systems.
• Surge Suppression and Noise Reduction: Each input on the TDBT board is equipped with filters designed for surge suppression and high-frequency noise reduction. This feature helps maintain signal integrity and system stability, especially in noisy industrial environments.

Characteristics

• Terminal Blocks: The module utilizes Euro Style Box-type Pluggable terminal blocks. This type of terminal block provides a reliable and secure connection for the input channels. The box-style design enhances the ease of installation and maintenance, allowing for efficient wiring and connection management.
• Number of Channels: Offers 24 dry contact voltage input channels. These channels allow for the connection of various devices or sensors that provide voltage-based signals. The 24 channels provide flexibility in accommodating multiple inputs, enabling comprehensive monitoring and control capabilities.
• Input Filter: Incorporates a hardware filter with a response time of 4 ms. This input filter is designed to eliminate noise and disturbances from the input signals. By reducing unwanted noise, the filter ensures cleaner and more accurate input readings, enhancing the reliability and stability of the module's operation.
• Fault Detection in I/O Board: Equipped with fault detection mechanisms. It can detect the loss of contact input wetting voltage, which helps identify situations where the contact inputs are not making proper electrical contact. Additionally, the module can detect non-responding contact inputs during the test mode, allowing for effective troubleshooting and maintenance.
• Max Response Time On and Off: Typical maximum response time of 25 ms when the inputs turn on and off. This quick response time ensures prompt and accurate detection and response to input changes, enabling efficient and timely control actions based on the received signals.
• Contact Material: The contact material used in the module is a Silver-Nickel Alloy. This material offers excellent electrical conductivity and corrosion resistance. The Silver-Nickel Alloy contacts provide reliable and durable connections, ensuring consistent and optimal performance even in demanding industrial environments.

Contact Inputs

• The contact inputs are conveniently connected to the 48 terminals labeled TB2, situated on the lower portion of the board. These terminals serve as the primary interface for connecting the contact inputs to the board, allowing for seamless integration into the control system.
• To power the contact inputs, the board receives the contact wetting voltage via the JE1 3-pin Mate-n-lok connector, which is conveniently located on the lower portion of the board. The wetting voltage output terminals are all connected in series and receive the positive voltage applied to JE1 pin 1. This arrangement ensures that all contact inputs are supplied with the necessary voltage for their proper functioning and reliable operation.
• To accommodate specific installation scenarios, the TDBT board allows users to run a single wetting voltage lead from the board terminal to a group of remote contacts. This means that multiple contact inputs located at a distance from the board can be powered through a single wetting voltage lead. This provides flexibility in the installation process, allowing for efficient wiring and reducing the number of individual wires required for long-distance connections.
• Once the single wetting voltage lead reaches the group of remote contacts, the individual contact wires can be reconnected to the respective inputs on the board. This arrangement streamlines the wiring process and helps maintain a tidy and organized control system setup.
• JE1 pin 3 serves as the negative or return wetting voltage terminal. This pin provides the required reference voltage for the contact inputs, ensuring a complete circuit and proper functioning of the contacts.

Configuration

• The configuration of the board is designed to be straightforward and user-friendly, offering flexibility and ease of use for various applications. Notably, the board does not rely on jumpers or hardware settings for its configuration, simplifying the setup process and ensuring efficient integration into control systems.
• One of the optional boards that can be used with the TDBT is the WROBH1 board, which provides additional functionality for the relays. The WROBH1 board includes six jumpers that allow users to apply or remove power from each relay individually. All six jumpers are installed by default, providing power to all relays on the board.
• However, certain scenarios may require using the relays as dry contacts without the need for power distribution. In such cases, the jumpers can be selectively removed from the board for specific relays. By removing the jumper from a relay, power is disconnected, effectively transforming that relay into a dry contact.
• The ability to remove individual jumpers provides a customizable and efficient approach for adapting to different requirements and applications. Users can easily configure the board based on their specific needs, whether they require relay power distribution or prefer to use relays as dry contacts.
• By offering this straightforward jumper-based configuration, the board ensures versatility and adaptability in various industrial control systems. The ability to modify the power distribution for each relay provides precise control over the board's operation, contributing to optimized performance and simplified maintenance.
• Overall, the absence of jumpers and hardware settings, coupled with the optional WROBH1 board with individual jumpers, allows for a seamless and customized configuration process. This user-friendly design helps save time and effort during installation and ensures reliable and precise control over the contact inputs and relay outputs in industrial applications.

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Frequently Asked Questions

What is IS230TDBTH6A?
It is a discrete I/O board developed by GE

What type of inputs can the board accept?
It accept 24 group-isolated contact inputs from an external source with a nominal 24, 48, or 125 V dc wetting voltage.

Does the board have noise suppression for its contact inputs?
Yes, the contact inputs on the board have noise suppression to protect against surge and high-frequency noise.

How many relay outputs does the TDBT have?
The board has 12 form-C relay outputs.

What type of terminal blocks do all terminal board versions have?
All terminal board versions have pluggable terminal blocks.

How does relay option board compatibility work, and where is it connected on the module?
The relay option board conveniently plugs into the JW1 and JW2 connectors on the module. It is securely held in place by the connectors, ensuring a reliable connection.

What is the purpose of the terminal points labeled TB1 on the module, and how are they used?
The module features relay terminal points labeled TB1, and the function of each terminal point depends on the presence of an option board. The documentation provides a table that identifies the specific functions associated with each relay terminal point, offering clear guidance on their usage and capabilities.

When is an external power connection required, and how is it facilitated?
In cases where external power is needed for the module or the option board's operation, a connector on the option board is used for the power connection. This allows the module to receive the necessary power supply from an external source, ensuring proper functioning.

What is the significance of diagnostic feedback, and how does it benefit the PDIO system?
The module incorporates the capability to monitor an isolated set of contacts on each relay. This monitoring feature provides diagnostic feedback to the PDIO system, indicating the state of each relay. This helps efficiently detect relay-related issues or faults, contributing to effective troubleshooting and maintenance.