Applications

The 520CMD01 Communication Unit is the CMU module of the RTU520 product family.

Its main tasks are

– Managing and controlling the RTU520 I/O modules via the serial I/O bus.

– Reading process events from the input modules.

– Sending commands to the output modules.

– Communication with the control system and the local HMI system via the serial interface (RS232) and the Ethernet 10/100BaseT interface.

– Communicates with sub RTUs, IEDs or multimeter devices via interface (RS485).

Communicates with sub-RTUs, IEDs, or multimeter devices through an interface (RS485).

– Manages the time base station and synchronisation I/O modules of the RTU520 product line.

– Handles the dialogue between the RTU520 product line via the LAN interface and the RTU520 product line via the LAN interface and a web browser.

The communication unit is mounted on a DIN rail together with the power supply and I/O modules.

The communication unit handles communication protocols based on Ethernet and UART characters.

The unit is available in two versions

– R0001: Real-time clock without battery buffer (RTC)

– R0002: Real-time clock with battery buffer (RTC)