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COMLI ISO/OSI Model
Protocol Features
Applicable 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
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| Link Layer |
Configuration: Point-to-Point, Multipoint (Multidrop) or radial
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| 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. ...
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Applicable Products
 | ipConv | Universal protocol converter for highest degree of flexibility
Details...
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