SF4xxx | Functions Runtime

SF4000 ACP Communication Protocol Plug-in TCP Mode

The SF4002 ACP SDK mode supports libraries for various high-level languages.

SF4100 Modbus Communication Plugin: Modbus RTU (COM, ASCII)

Modbus itself is a standard for information exchange. Modbus RTU is a way to implement Modbus via serial port; therefore, all information is transmitted through the serial port. The Modbus protocol belongs to a client/server architecture, and the Modbus RTU Master can read and write the address of the RTU Slave to achieve data interaction.

SF4101 Modbus Communication Plugin: Modbus TCP

Modbus itself is a standard for information exchange. Modbus RTU is a way to implement Modbus via serial port, so all information is transmitted through the serial port. The Modbus protocol belongs to a client/server architecture, and the Modbus RTU Master can read and write the address of the RTU Slave to achieve data interaction.

SF4200 Ethernet Communication Plug-in TCP/IP/UDP

TCP/IP, as a standard network communication protocol, provides reliable connection and data transmission capabilities, enabling various industrial devices to achieve interconnection, data sharing, and remote monitoring.

SF4201 Ethernet Communication Plugin: FTP Protocol (Client/Server)

MQTT (Message Queuing Telemetry Transport) is a lightweight, publish-subscribe-based messaging protocol suitable for resource-constrained devices and low-bandwidth, high-latency, or unstable network environments. It is widely used in IOT applications and enables efficient communication between sensors, actuators, and other devices.

SF4203 | Ethernet Communication Plugin (HTTP/Rest)

SF4300 OPC UA Communication Plugin OPC UA (TCP) (Client/Server)

OPCUA is a technical specification used for communication between different devices and systems. Through the OPCUA Client, data from the OPCUA Server can be requested, then read and written, enabling various devices and systems to communicate and share data, achieving more efficient industrial automation.

Usage Scenario: Widely used in the fields of industrial automation and the Internet of Things.

SF4301 | Communication Plugin (OPC UA Pub/Sub)

SF4400 | Database Plugin XML Database Server

SF4401 Database Communication Plugin OLE Database Server

Use Cases:

• Industrial Automation: In scenarios such as production line monitoring, equipment status monitoring, and fault diagnosis, PLCs can effectively work with databases.

• Predictive Maintenance: By analyzing historical data, predictive maintenance of equipment can be achieved, reducing downtime.

SF4501 | FINS Protocol