ABB Advant Controller 450, Руководство по эксплуатации продукта

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Advant Controller 450 Product Guide
Section 6.5 Communication
3BSE 015 953R201 Rev B 6-5
6.5 Communication
6.5.1 Data Set and Text Set
A data set can hold 1 to 24 DAT values. Each DAT value represents 32 Booleans, or 1 integer
(16 or 32 bit), or 1 real number. The data base can accommodate up to 32000 DAT values.
Advant Controller 450 can accommodate up to 1000 data set definitions for communication on
MasterBus 300 or MasterBus 300E. The data sets are also used for EXCOM communication.
For communication on RCOM/RCOM+ and MultiVendor Interface there is a special kind of
data sets available, MVI data sets. The Advant Controller 450 can accommodate max 1000 MVI
data sets. Data sets are cyclically transmitted to their respective destinations, with a cycle time
normally selectable in the range 0.5 to 64 s. Cycle times can be redefined to values between
50 ms and 1000 s. MVI data set and data set can also be transmitted on request.
A text set can hold the contents of one DB element TEXT. Text sets are only transmitted on
request.
6.5.2 Data Set Peripheral (DSP)
A data set peripheral (used for communication on Advant Fieldbus 100) is a special kind of data
set and can hold 1 to 8 DAT values. Each DAT value represents 32 Booleans, or 1 integer
(16 or 32 bit), or 1 real number. The data base can accommodate up to 32000 DAT values.
Advant Controller 450 can accommodate max 4000 data set peripherals 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.