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　　8112-DI-AC Other names:

　　I/O module 8112-DI-AC

　　8112-DI-AC redundant module

　　Analog input and output module 8112-DI-AC

　　The MTL 8112-DI-AC bus interface module (BIM) provides a communication link between the PAC8000 series and supports parameterization configuration from the PROFIBUS host. The module is designed for safe operation in the presence of explosive gases or dust and has explosion-proof characteristics.

　　Main functions

　　Communication interface: The MTL 8112-DI-AC module is usually equipped with a communication interface to exchange data and communicate with other devices and systems. Common communication interfaces include Ethernet, Modbus, etc., but specifically for this model, its main communication interface is PROFIBUS-DP. The module acts as a slave to the PROFIBUS master, collecting data from the module at high speed and running the LAN at up to 12Mbaud (some say 6Mbaud, which may vary depending on the product version or configuration), allowing the host to respond quickly to changes in process conditions.

　　Module configuration: The configuration is created in the PROFIBUS configurator using the detailed information provided in the GSD file. This approach is fast and is able to build configurations based on "logical" modules that represent physical modules. Modules are added to the configuration one at a time, and the configuration is passed from the PROFIBUS host to the BIM at the beginning of communication. If the system is stopped and restarted, or if the node undergoes a cold start cycle, the configuration file is retransmitted to the BIM.

　　Data exchange and diagnostics: The BIM collects data from the I/O modules and provides it to the host upon request. In addition to the cyclic data exchange required to read input and write output data, the BIM also supports PROFIBUS Extended Diagnostics status information. Supports up to 24 I/O modules and provides extended diagnostic functions for module and channel status.

　　Redundancy and safety: BIM can be used with redundant BIM bodies such as 8701-CA-BI to achieve redundant operation of critical applications. Each BIM in the redundant pair operates in parallel and constantly checks the status to enable the backup BIM to monitor the operating status of the primary BIM. The module is designed for use in hazardous environments and has explosion-proof characteristics to ensure safe operation.

　　Multi-channel input and output: MTL 8112-DI-AC modules usually have multiple digital input and output channels, which can simultaneously receive and send digital signals to achieve communication and control with external devices and sensors. Input channels are used to receive external signals and data, such as switch status, sensor output, etc., and output channels are used to control external devices and perform control operations, such as output switch signals, drive relays, etc.

　　Electrical isolation: MTL 8112-DI-AC modules have electrical isolation functions, which can isolate input and output signals to improve the safety and stability of the system. This helps reduce the impact of electrical interference and faults on the system.

　　High reliability and anti-interference ability: The module has been verified and tested, with high reliability and stable operation in harsh industrial environments. At the same time, it also has anti-interference ability and can maintain signal stability and reliability in the presence of electromagnetic interference and other environmental interference.

　　Programmability and flexibility: The MTL 8112-DI-AC module supports programming and configuration, and users can customize and optimize it using the corresponding programming tools to meet specific control requirements and application scenarios. It also supports parameterization from the PROFIBUS host, and the configuration is created using the detailed information provided in the GSD file in the PROFIBUS configurator. This method is fast and can build configurations based on "logical" modules that represent physical modules.

　　Bus interface communicates with the local area network: The BIM is installed on the carrier and receives all communication and power links from the carrier. It communicates with the host controller via a local area network (LAN). Some BIMs also have a second LAN connection to maintain communication when the main communication link is damaged.

　　Explosion-proof features: The module is designed for use in hazardous environments, such as those where explosive gases or dust are present, and has explosion-proof features to ensure safe operation.

　　Technical specifications

　　The technical specifications of the MTL 8112-DI-AC bus interface module (BIM) vary depending on the product version or manufacturer, but generally include the following:

　　Origin: United States

　　Number of interfaces: Typically with multiple digital input and output channels

　　Communication speed: Up to 12Mbaud (or 6Mbaud, depending on product configuration)

　　Configuration method: Parameterized configuration via PROFIBUS host

　　Supported functions: HART pass-through support for monitoring/configuring HART devices

　　Application scenarios

　　The MTL 8112-DI-AC bus interface module (BIM) is widely used in various industrial automation fields, such as power plants, steel mills, cement plants, etc. In these occasions, the module can provide a stable and reliable communication link, support the connection and data exchange of various I/O modules, and realize the efficient operation of the automation control system. Especially scenarios that require digital signal input and output. It can be used to monitor and control various devices and sensors, such as switches, sensors, actuators, etc. At the same time, it can also be integrated with other industrial automation modules and systems to achieve comprehensive automation control and monitoring.

　　Configuration and Communication

　　Configuration: MTL 8112-DI-AC supports parameterization from the PROFIBUS host. The configuration is created in the PROFIBUS configurator using the detailed information provided in the GSD file. This method is fast and capable of building configurations based on "logical" modules that represent physical modules. Modules are added to the configuration one at a time. The configuration is passed from the PROFIBUS host to the BIM at the beginning of communication. If the system is stopped and restarted, or if the node undergoes a cold start cycle, the configuration file is retransmitted to the BIM.

　　Communication: BIM must be used with a specific BIM body (such as 8701-CA-BI). In addition to communicating with the host controller via a local area network (LAN), the BIM can also choose to use communication standards such as RS485, RS422 or RS232 (achieved by changing the switch on the carrier or installing an online converter).

　　Precautions

　　When using the MTL 8112-DI-AC module, ensure that it is compatible with other devices and components in the system.

　　When configuring and programming, the relevant operating manuals and guidelines should be followed to ensure correct configuration and stable operation.

　　Regularly inspect and maintain the module to ensure its long-term stable operation and extend its service life.

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　　The specific quotation is subject to customer service, because the product is a new product and the price is not real.

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