Manual

- 4 - RS232_485_ETP_MODBUS_BU_REV02.doc
1. THE HARDWARE CONNECTION WITH THE CONVERTER
1.1. ML XXX
1.2. ML XXX
1.3. ML XXX
1.4. ML XXX
1.5. ML XXX
2. AVAILABLE PROTOCOLS
 DPP = Data Packet Protocol
Proprietary of Millennium series : it’s a network protocol based on data packets; over this protocol it’s possible to
encapsulate other protocols like BCP (Basic Communication Protocol) or ETP (Encapsulated Transfer Protocol)
 HTP = Hyper text protocol
It’s a textual protocol used in point to point connections.
ETP commands can be used over HTP
 MODBUS = field bus
It’s a standard field bus that can be used over point to point or over network connections;
MODBUS can encapsulate ETP commands
 DPP protocol
 HTP protocol
 MODBUS protocol
RS 232 por
t
 DPP protocol
 MODBUS protocol
RS 485 por
t
RS 232 por
t
RS 485 por
t