86 Installation Guide
Communication
Digital interfaces RS-485 serial port
2 × RJ45 100Base-T Ethernet ports
100base-FX fiber optic Ethernet port
USB port
Protocols Modbus RTU over RS-485 and Modbus TCP over Ethernet
DNP3 over RS-485 and Ethernet
IEC 61850 over Ethernet
Analog interfaces 4 dry-contact relays for alarms
8 analog 4–20 mA outputs for publishing values
4 analog 4–20 mA inputs for reading external sensors