SEL's Module and Protocol, SEL-2240 Axion
SEL has new modules and protocols for its remote terminal unit (RTU) or programmable logic control (PLC) platform, SEL-2240 Axion. Low-voltage power supplies, four-slot backplanes, dual four-slot backplanes and IEC 61850 Goose are available. The low-voltage power supply supports 24/48 Vdc sources. Use them individually or in the same Axion unit to provide redundant power.