Westermo EDW-120 - Manual (Page 29)

29 6616-2211
One to many using UDP using broadcast or multicast
Point to point using UDP connection
Description
The one to many function can be used in place of a traditional multidrop application. Data
entering one of the EDW-120 will be broadcast or Multicast to any other device in the broadcast
or multicast group. A typical application would be a SCADA host computer communicating to a
number of PLC’s.
Description
In a point to point application the EDW-120 can replace or extend a cable link. The distance
between the EDW-120 units is only limited by the size of the LAN. Data can be sent across the
network using ether UDP or TCP. A typical application is serial connections between PLC´s in
industrial applications. To understand the differences between a UDP and TCP please see page 20.
Network
Network