Part No: IS200ADIIH1A
Manufacturer: General Electric
Function: Dual Channel/Dual Port Input Output Module
Series: Drive control
Availability: In Stock
Country of Manufacture: United States(USA)
IS200ADIIH1A is a Dual Channel/Dual Port Input Output Module manufactured and designed by General Electric. It functions as an auxiliary drive to ISBus interface board. An AcDc2000 drive is connected to an ISBus Local Area Network via the Auxiliary ISBusInterface board (ADII) (LAN). The ADIIboard is located on the backside of the AcDc2000 drive's first board carrier. The LNPL ribbon cable and COM1 wire connect the ADII board to the Drive Control/LAN Communications board (LDCC).
Power Supply and Connectivity:
- The board is powered by the AcDc2000 drive's power supply board through the 2PL power cable. This cable serves as the means of transferring power from the drive's supply board to the ADII board.
Bypass Relay Functionality:
- In the event that the drive is switched off, the ADII board is equipped with a bypass relay. This relay is designed to ensure the continuity of the ISBus electrical connection. Importantly, this function negates the need for an external bypass module to maintain connectivity during the drive's off state.
Signal Mapping and Development:
- The Innovation Series drive system applications signal map serves as the basis for generating the interface signal map. Many of the references and feedbacks contained within this signal map are generic in nature.
- To replicate the functionalities of the Innovation Series drives, specialized blockware specific to the AcDc2000 drive needs to be developed. This development process is aimed at emulating the functionalities outlined in the Innovation Series drives.
Interface and Variable Mapping:
- Serves as the intermediary component that establishes the connection between the drive and the controller using an integer variable map.
- As part of this process, it's necessary to scale the integers to AcDc2000 units as defined in the signal map's specifications. This scaling ensures that the variables and data transmitted between the drive and the controller are accurately interpreted and utilized.
- The interface configuration can be accomplished using either of two methods: the LDCC board's local keypad or the GE Control System Toolbox (toolbox). These tools facilitate the configuration and setup of the interface, allowing users to adjust settings, parameters, and configurations as needed for the AcDc2000 drive system.
The ISBus, or Inter-System Bus, functions as a communication network within a system, facilitating data exchange between nodes and a master controller. Here's an expanded breakdown of its key features and operations:
Architecture and Node Configuration:
- The ISBus architecture consists of a single controller (referred to as "drop 0") and supports a maximum of 31 nodes labeled from 1 to 31. Each node plays a specific role in the network, contributing to the overall system's functionality.
Data Transmission Protocol:
- The master controller initiates the communication process by transmitting a continuous stream of bytes that contain references to each ISBus node. These bytes serve as a means to identify and target specific nodes within the network.
Data Relay and Feedback Mechanism:
- Upon receiving the stream of bytes, individual nodes in the ISBus network relay this data to the next node in line. As the data passes through each node, they replace the reference data in the stream with their own feedback data.
- This process continues until the stream of bytes completes its journey and returns to the master controller. Consequently, the stream now encapsulates feedback data collected from each node along the route.
Frame Rate Configuration:
- The ISBus frame rate is adjustable and can be set to different intervals—specifically, 1, 2, 4, or 8 milliseconds (ms). This setting determines the frequency at which data is transmitted and received within the ISBus network.
Time Delay Requirement:
- The ADII board, which is part of the ISBus network, mandates a time delay of 200 seconds.
- This delay potentially serves various purposes within the network, such as synchronization, data processing, or specific operational needs tied to the board's functionalities.
- The ADII board interfaces to the ISBus through two RJ45 connectors, P2 (TX/OUT)and P3 (RX/IN). The userís cables are run into the drive package and directly to theADII board.The TX/OUT connector (P2) ties to the RX/IN connector (P3) of the next device onthe ISBus.
- The RX/IN connector (P3) ties to the TX/OUT connector (P2) of theprevious device on the ISBus.
There are no fuses or hardware jumpers on the ADII board. The ADII board includes LED indicators and testpoints for diagnostic and configuration purposes. Faults on the ISBus or ADIIboard will be displayed on the drive's display. The ADIIboard's testpoints are for manufacturing, diagnostic, and setup purposes.
- The controller sends control bits and references for each drive on the ISBus in a single stream of bytes.
- The first drive connected to the controller receives the stream of bytes, retrieves its command bits and references, and passes the stream of bytes to the next drive, which replaces the command bits and references with feedback bits and variables.
- The controller receives the feedback bits and feedback variables from the drives when it receives the stream of bytes from the bus. The ISBus scan time can be set to 1, 2, 4, or 8 milliseconds. The number of devices on the bus limits these times.
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FREQUENTLY ASKED QUESTIONS
What is IS200ADIIH1A?
It is a VME rack power supply developed by General Electric and used in gas turbine control systems.
What is the function of the component?
It functions as an Auxiliary Drive to ISBus Interface Board
How are boards packaged for shipment from WOC?
Parts are placed in antistatic packets and securely packed in ESD boxes cushioned with ESD Foam designed to safeguard electrical components.
How is the board powered and connected?
The board is powered by the AcDc2000 drive's power supply board through a 2PL power cable. This cable transfers power from the drive's supply board to the ADII board.
What function does the bypass relay serve?
The board is equipped with a bypass relay. This relay ensures continuity of the ISBus electrical connection even when the drive is switched off, eliminating the need for an external bypass module during the drive's inactive state.
How is signal mapping and development handled?
The Innovation Series drive system applications signal map forms the foundation for generating the interface signal map. Custom blockware specific to the AcDc2000 drive needs to be developed to replicate the functionalities outlined in the Innovation Series drives.
What is the role of the ADII board in interface and variable mapping?
The board acts as an intermediary component establishing connection between the drive and controller using an integer variable map. It scales integers to AcDc2000 units, ensuring accurate interpretation and utilization of data transmitted between the drive and controller.