Emerson KJ3241X1-BK1 Serial Interface card

Working principle

Data reception and transmission: This interface card is equipped with dual RS-232 serial ports. When connected to external serial devices such as printers and barcode readers, it can work in half-duplex or full-duplex communication mode according to the set communication protocol (such as RS-232 protocol). In half-duplex mode, data can be transmitted in both directions, but only in one direction at the same time. Full-duplex mode can simultaneously transfer data in both directions. It can receive the data sent by external devices and transmit it to the DeltaV control system. It can also send the data sent by the DeltaV system to external devices to achieve data interaction between the two sides.

Baud rate matching and data transmission rate control: Supports baud rates up to 115kbps, and can negotiate with connected devices to set an appropriate baud rate to ensure stable data transmission at a steady rate, guaranteeing the efficiency and accuracy of data transmission and preventing data loss or errors.

Electrical isolation and anti-interference: The communication port has an electrical isolation function, which can effectively prevent electrical noise interference and protect the stability of data transmission. Even in harsh environments such as strong electromagnetic interference in industrial sites, it can ensure the accurate and error-free transmission of data, enabling reliable communication between the interface card and the connected device.

Power support and stable operation: Obtain a power supply of 12VDC and 300mA through the local bus to provide energy for the internal circuits and chips, maintain their normal working state, and ensure the stable operation of functions such as data reception, processing and transmission.

Functional characteristics:

Dual serial port design: It is equipped with two RS-232 serial ports, which can be flexibly connected to various serial devices such as printers, barcode readers and remote terminals.

Multiple communication modes: Supports half-duplex and full-duplex communication modes, which can meet the communication requirements in different application scenarios.

High baud rate support: Capable of handling baud rates up to 115kbps, ensuring efficient data transmission.

Technical Specification:

Power supply requirements: The rated power of the local bus is 12VDC, 300mA, and the power consumption is 3.6W.

Operating temperature: The operating temperature range is from -40 °C to + 70°C.

Humidity range: Relative humidity is 5% to 95%, with no condensation.

Protection grade: Reaching the NEMA 4X and IP66 protection grades, it can prevent dust and water spray. In addition, it has passed ATEX and IECEx certifications and can operate safely in hazardous environments.

Application scenarios:

Data acquisition: It can collect data from serial devices and transmit it to the DeltaV system for analysis. It is commonly used in various sensor data acquisition scenarios in industrial production.

Equipment control: Control external devices such as valves, pumps and motors through serial interfaces to achieve precise control of industrial processes.

Communication connection: It enables communication between the DeltaV system and other systems or devices that use serial protocols, which is conducive to building complex industrial automation communication networks.