Yes, Delta PLC supports Modbus communication, and it is one of the most commonly used protocols in Delta’s automation systems. Modbus is an open communication protocol that allows industrial devices like PLCs, HMIs, drives, and sensors to exchange data easily. Delta provides full support for both Modbus RTU (serial communication) and Modbus TCP/IP (Ethernet communication), depending on the PLC model and the type of communication port available.
Most Delta PLCs, such as the DVP Series, AS Series, and AH Series, come with built-in RS-485 ports that support Modbus RTU. This makes it simple to connect Delta PLCs with devices like temperature controllers, VFDs, and remote I/O modules that use the same protocol. For example, a Delta DVP PLC can communicate directly with a Delta VFD drive or a Modbus-based Omron temperature controller by assigning the correct slave address and register mapping in the communication setup.
Advanced Delta PLC models also support Modbus TCP/IP, which works over Ethernet networks. This allows faster data transfer and easier connection between multiple PLCs, HMIs, and SCADA systems. The communication can be configured easily using Delta’s programming software such as WPLSoft or ISPSoft, where you can define the master-slave role, communication parameters, and data exchange registers.
Using Modbus with Delta PLCs offers flexibility, especially when integrating with third-party devices. It allows data like temperature, pressure, motor speed, or status signals to be exchanged efficiently without complex programming. Delta even provides dedicated function blocks for Modbus communication, making setup faster and more reliable.
In simple terms, Delta PLC fully supports Modbus RTU and Modbus TCP/IP, enabling smooth communication with a wide range of industrial automation devices. This makes Delta PLCs versatile, compatible, and easy to integrate into any Modbus-based control network.