16 • SMP Gateway User Manual
REAL-TIME
DATA EXCHANGE
MODBUS
SLAVE
MODBUS
MASTER
RS-232
CONNECTION
RS-232
CONNECTION
DNP3
SLAVE
TCP/IP
CONNECTION
SCADA
MAINTENANCE
CENTER
DEVICE
Figure 9 The SMP Gateway as a communications processor
2.2.5 Putting it all Together
The SMP Gateway’s sophisticated architecture allows it to integrate existing and new RTUs,
IEDs, PLCs and control centers into a single homogeneous substation automation system. It
provides you with a complete solution for automating new substations and modernizing legacy
systems.