Engineering Guide CDA3000
5-1
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5 Communication and user modules
5.1 Principle of function................................................ 5-2
5.2 User module  ............................................................5-3
5.3 CAN-BUS ..................................................................5-4
5.3.1 Interconnection of inverter modules on the 
CAN bus .............................................................. 5-6
5.3.2 Communication via CAN
LUST 
.................................5-8
5.3.3 Communication via CAN
open 
...............................5-12
5.4 PROFIBUS-DP ........................................................5-13
5.4.1 Interconnection of LUST drive units with the 
PROFIBUS-DP Gateway  ......................................5-14
5.4.2 Interconnection via the PROFIBUS-DP module ....5-17
5.4.3 Communication via PROFIBUS-DP ......................5-18