The new programmable logic controller (PLC) integrates advanced functionality and flexibility, enabling rapid development and deployment of complex critical infrastructure and automation processes.
This is an important development for various applications, from renewable energy and microgrid control to Industry 4.0 Industrial Internet of Things (IIoT) transformation (even for small factories), oil and gas, machine design, and process equipment automation in bottling, packaging, textiles, and similar applications.
To provide the best solution, the latest technology is essential. These PLCs use dual core 64 bit processors to meet the most challenging automation requirements. The Linux operating system is a one plus one component, and its code is portable and interoperable with systems that comply with the IEC 61131-3 standard. Simultaneously using a web-based management system can simplify configuration.
In addition, it is necessary to choose communication interfaces, support multiple fieldbus protocols, IIoT connectivity, cloud connectivity, energy management software, and comprehensive security tools to provide the flexibility needed to address a range of critical development and integration solutions.
Introduction to PFC300
Wago has launched the PFC300 PLC to help accelerate the deployment of complex and critical automation processes. This article first explores the functions and advantages of PFC300 in depth, and finally illustrates how to apply it to smart factories and microgrid installations with examples.
The PFC300 adopts a modular design that can quickly adapt to the constantly changing needs and future requirements of complex and critical Industry 4.0 factories, microgrids, and building automation fields. There are various analog, digital, and specialized input/output (I/O) modules available on the market to meet specific automation needs. In addition, the complexity of the system can be increased or decreased by adding or removing I/O modules.
These PLCs have environmental resistance, so they can be installed in harsh environments. Its working temperature range is -25 ° C to+60 ° C, with a maximum relative humidity (RH, non condensing) of up to 95%, and a pollution level of 2, in compliance with IEC 61131-2 standard.
They provide a maximum vibration resistance of 4g according to the requirements of IEC 60068-2-6, and provide an impact resistance of 15g according to the IEC 60068-2-27 standard. Electromagnetic compatibility (EMC) performance includes immunity in accordance with EN 61000-6-2 standard and radiation resistance in accordance with EN 61000-6-3 standard. At the same time, they can withstand exposure to various pollutants in accordance with the requirements of IEC 60068-2-42 and 60068-2-43.
Wago PFC300 features modularity, scalability, and ability to withstand harsh environmental conditions
Figure 1: PFC300 features modularity, scalability, and ability to withstand harsh environments (Image source: Wago)
Fieldbus and edge connections
PFC300 supports multiple fieldbus, EtherNet protocol, and remote control protocol, simplifying the task of building control networks for critical and complex automation processes.
The integrated fieldbus includes Modbus TCP master/slave, Modbus (UDP), Modbus (RTU), EtherNet/IP adapter (slave), EtherNet/IP scanner, EtherCAT master, PROFINET controller (limited), OPC UA server/client, and OPC UA Pub/Sub (installable).
In addition, remote control protocol licenses can also be selected, such as DNP3 for SCADA systems in critical infrastructure, IEC 60870 and IEC 61850 for substation automation, or BACnet widely used for building automation.
The D-sub 9-pin RS 485 connector on the front panel is used for CANopen, Modbus RTU, and other serial communication protocols. The USB-C connector behind the service interface can be directly used for programming, configuration, and firmware updates. Two RJ-45 Gigabit Ethernet ports and an integrated switch support line topology cabling.
In addition to the communication interface and USB-C connector, the front panel of PFC300 also includes a secure data (SD) card access port, status indicator lights, and power connector (Figure 2).

