520CMD01 Communication unit
DIN rail mounted base module RTU520:
- 1x Ethernet 10/100 BaseT
- 3x serial (2x RS485, 1x RS232)
- 1x USB configuration interface
- Direct connection up to 8 I/O modules
- Additionally extendable with up to 8 I/O modules with 520ADD01
- SD card slot
- Battery buffered real time clock optionally available