Product Introduction
IS400TDBTH6A is a discrete input/output terminal board for General Electric's (General Electric Mark VIe series) distributed control system (DCS) and turbine control system. IS400TDBTH6A plays the role of interface bridging and signal relay within the Mark VIe control architecture. The discrete input part of IS400TDBTH6A adopts a group-isolated design, meaning electrical isolation between different input groups, which enhances the anti-noise capability in the field and avoids interference propagation. The output part (dependent on PDIO I/O Packs) also supports isolated output to protect the control system.
Technical Specifications
|
Manufacture |
GE |
|
Model |
IS400TDBTH6A |
| Part Number |
IS400TDBTH6AEF |
|
Description |
I/O Module |
|
Origin |
USA |
|
Dimension |
35*20*10cm |
|
Weight |
0.95kg |
Product Details
IS400TDBTH6A Module Structure and Design:
1. Terminal board layout:
Input terminal area (Terminal Block): Used to connect discrete signal inputs from the field, such as switch signals, proximity sensors, etc.
Output interface: Connected to the controller output terminals through onboard or additional PDIO I/O Pack to achieve direct control of on-site equipment. Isolation design: A block isolation design is adopted to reduce the influence of high-frequency interference, common-mode interference, and ground interference.
2.Cabling and Interfaces
PDIO Connector: Usually connected to PDIO I/O Packs via D-type connectors for the uplink/downlink data exchange of discrete signals. Input/Output Terminals: IS400TDBTH6A provides terminal blocks for input and output purposes, compatible with various field devices.
In the Mark VIe control architecture, IS400TDBTH6A belongs to the TDBT (Terminal Discrete Board Terminal) type terminal board. Its main functions include:
1. The IS400TDBTH6A receives discrete input signals from the field, such as switch status, travel feedback, equipment safety interlock signals, etc. These inputs are isolated and filtered before being transmitted to the Mark VIe controller for logical processing.
2 . When used in conjunction with the PDIO I/O Pack, this module is capable of transmitting the output logical instructions of the control system to the field execution devices, such as relays and actuators, thereby enabling the control of the equipment's actions.
3.The IS400TDBTH6A supports a multi-control node redundant operation mode, such as TMR (three-level redundancy), which enhances the security and reliability of the system. In this redundant design, multiple control paths operate simultaneously to prevent system shutdown due to the failure of a single board.
4.The IS400TDBTH6A does not have an independent control logic. Its inputs and outputs are all processed by the logic of the Mark VIe controller. Therefore:
The control logic is completed in the Mark VIe controller or distributed nodes.
The IS400TDBTH6A acts as the terminal interface board and is responsible for the reception and transmission of physical signals.
It communicates with I/O Packs, the backplane, and collaborates closely with control nodes.
Installation Guide and Precautions
1) Installation Preparation
✔ Confirm that the control cabinet or rack supports the installation of the Mark VIe terminal board.
✔ Prepare the necessary backplane and interface modules for connecting to the PDIO I/O Packs.
✔ Check the power supply lines (24 V DC) and external power supply for cleanliness and reliability.
✔ Take anti-static measures (ESD protection)
2) Electrical Wiring
✔All on-site discrete signal lines should be correctly connected through standard terminals.
✔The external humidification voltage supply must meet the system's rated requirements.
✔The input and output signal lines should be grouped and laid out separately to minimize interference and cross-effects.
3) Communication and Configuration
The IS400TDBTH6A is connected to the controller via the backplane of the Mark VIe system or Ethernet communication. During engineering debugging, the following steps are required:
✔ Configure I/O labels and mappings in the Mark VIe engineering configuration software (such as ToolboxST)
✔ Verify the accuracy of discrete input/output logic and signal acquisition
✔ Configure channel consistency in redundant systems (if TMR is present)
4) Physical Installation
Two installation methods can be adopted: DIN rail mounting or board card fixed installation. Generally, the following is recommended:
✔The control cabinet is equipped with components to maintain the stability of the environment.
✔Avoid exposing and installing in environments with high temperature, high humidity, and strong electromagnetic interference.
Pre-sale Services
1. Experience and markets
Our factory has more than 10years of experience in selling. Products are well-sailed all over the world, and have received many compliments from customers.
2. Providing professional technical support.
3. Send the product catalog and instruction manual.
4. If you have any questions,s PLS contact us online or send us an email, we promise we will give you a reply at the first time!
5. Personal calls or visits are warmly welcome!