ICP DAS SST-900B User Manual v1.0, 2011/05 Page
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4. Applications
4.1 Operating Modes
Interface
Mode
SST-900B SST-900B
Master
Slave
Peer-to-Peer
Slave
Master
Serial Port
(RS-232/RS-485)
Broadcast
Slave
Slave
4.2 Application Example
What is the difference between P2P (peer-to-peer) mode and Broadcast
mode?
In broadcast mode, all the nodes act as slaves, and there can be
communication between any two nodes.
In P2P mode, the effect of a master to slave framework or a slave to
master framework is identical. The master will only receive data from
the slave and, similarly, a slave will only receive data from the master.
In most cases, using either P2P mode or Broadcast mode is suitable.
But in multi-point cases, there may be better scenarios, which are
described in the following sections:
