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Normally there are no limits in capacity beyond the limits placed by the actual link for the
application. Extended information for certain applications are found below. Regarding the
maximum number of links available in Advant Controller 450, you can find information in
Section 3.2.4.1, Provided Link Types above. For further technical data such as load data,
performance, maximum lengths, for the different links, see separate documentation.
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A data set peripheral can hold 1 to 8 DAT values. Each DAT value represents 32 Boolean, or
1 integer (16 or 32 bit), or 1 real number.
Advant Controller 450 can accommodate max 4000 data set peripheral for communication on
Advant Fieldbus 100.
Data set peripherals are cyclically transmitted to their respective destinations, with a cycle time
selectable in the range 32 ms to 4096 ms.
Advant Fieldbus 100 max. 8 buses Tot. max. 8
PROFIBUS-DP max. 8 buses
LONWORKS Network max. 8 buses
(3)
EXCOM max. 2 links
V.24/RS-232-C (application of basic physical layer) max. 1 printer,
max. 4 MasterView 320
(4)
RCOM max. 9 links Tot. max. 9
(5)
MVI (available protocol) max. 9 links
MVI (free-programmable facility) max. 9 links
GCOM max. 5 links
(1) You cannot mix MasterBus 300 (executed in main CPU) and MasterBus 300 (executed in slave CPU) within the
same controller.
(2) You cannot mix MasterBus 300E (executed in main CPU) and MasterBus 300E (executed in slave CPU) within the
same controller.
(3) Max number of communication modules, CI572 or CI573, is four.
(4) Please note that EXCOM, RCOM and MVI also utilize V.24/RS-232-C at the physical layer (electrical interface).
(5) RCOM and MVI (available protocol) use the same type of communication interface CI532Vxx or CI534Vxx.
MVI (free-programmable facility) uses communication interface CI535 or CI538 and GCOM uses CI543.
CI532Vxx, CI534Vxx, CI535 and CI538 have two physical channels each.
The following restrictions are valid:
- No of CI532Vxx +CI534Vxx + CI535 + CI538 + CI543 ≤ 5.
- Max number of physical channels is nine (limit in software).
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