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COMLI

DOWNISO/OSI Model
DOWNProtocol Features
DOWNApplicable Products

Developed by the Alfa Laval company, COMLI (or COMmunication LInk) enables communication between control and substations.

Its physical layer uses the standard operation mode with start bit, data bits, parity and stop bit. Communication operates in  half-duplex mode, a master supports simultaneous communication with several slaves.

ISO/OSI Model

7 Application Layer COMLI Application Layer
6 Presentation Layer n/a
5 Session Layer n/a
4 Transport Layer n/a
3 Network Layer n/a
2 Link Layer n/a
1 Physical Layer RS232C (V.24)RS485

Protocol Features

Physical Layer Baud rates: 50,110,150,300,600,1200,2400,4800,9600,19,4k,38,4k
Link Layer Configuration: Point-to-Point, Multipoint (Multidrop) or radial
Application Layer Information objects:
I/O bits, registers, alarm texts, analogues signales, RAM memory in address range 0..128 Kb
date and time, floating point registers, time marke events, etc. ...

Applicable Products

ipConvipConvUniversal protocol converter for highest degree of flexibility
Details...
product/ipConv/en/ipConv_en.pdf
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