ABB SPNIS21
The ABB SPNIS21 module is a network interface module used to connect ABB’s Harmony Rack series controllers to a variety of networks. It supports several communication protocols, including Modbus, Ethernet, Profibus and DeviceNet.
Product parameter

Input voltage: 24VDC
Power consumption: 5W

Communication interface:
One RJ-45 Ethernet port
One RS-485 serial port
Supported protocols: Modbus, Ethernet, Profibus, DeviceNet
Operating temperature: 0℃ ~ 60℃
Storage temperature: -40℃ ~ 85℃
Relative humidity: 5% ~ 95%
Overall dimensions: 176mm x 88mm x 25mm
Weight: 0.5kg
Product characteristics
Supports multiple communication protocols
Easy to install and configure
High reliability
Suitable for various industrial environments
Application field
Electric power system
Petrochemical industry
metallurgy
Water treatment