1. Protocols in the PLC Technologies

2. Protocols in the PLC Technologies
X10:
In the X-10 protocol, transmissions are synchronized with the zero-crossings on the AC power-line.

3. Protocols in the PLC Technologies
Data format of X10 signal

4. Protocols in the PLC Technologies
X10:
The X10 protocol is quite slow, data rates are around 20 bits/s, so it takes roughly 3/4 second to transmit a device address and a command that can only address 256 devices.

5. Protocols in the PLC Technologies
CEBUS (EIA-600)
CEBus is a set of electrical standards and communication protocols for electronic devices to transmit commands and data.

6. Protocols in the PLC Technologies
CEBUS (EIA-600)
The average data rate is about 7,500 bits/s.
The CEBus supports a flexible topology.

7. Protocols in the PLC Technologies

8. Protocols in the PLC Technologies
LONWORKS
A networking platform specifically created to address the needs of automation control in industrial, home, transportation, and buildings systems.

9. Protocols in the PLC Technologies
LONWORKS
An open, communication between devices may be either peer-to-peer (distributed control) or master-slave (centralized control).

10. Protocols in the PLC Technologies

11. Protocols in the PLC Technologies
INSTEON
A dual-mesh RF & power line home automation networking technology. Under the network topology, all Insteon devices are peers.
The data rate is up to 13,165 bits/s on wire and 38,400 bits/s on air.