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The MININET line uses the MININET protocol and is primarily intended for communication with B&R MULTI/MIDI/MINI and compact (SG2) controllers. In principle, it is also possible to communicate with SG3 and SG4 controllers (System 2000) using Mininet. However, the NET2000 or INA2000 line is more suitable for this.
The following topics are covered in this section:
A line object, a device object, and a station object are all needed to establish a communication connection to a MININET station.
Process objects in the MININET line:
Name |
Type |
Connection |
Usage |
Line object |
Line |
"LNMINI" |
MININET line |
Device |
Device parameter |
Represents the communication device being used |
|
Station |
Station number |
Represents a MININET station (PLC) in a network |
|
CPU object |
CPU |
|
Can be specified, but not required. |
Module object |
Modules |
|
Can be specified, but not required. |
Task object |
Task |
|
Can be specified, but not required. |
Pvar |
Variable name |
Represents a variable on the PLC |
Object structure for MININET process objects:
The following table shows an overview of all access types which are regulated via a line. All access types not listed here as well as access types to the PVI base object are executed by PVI Manager and therefore work independently of the line being used. The corresponding process object type is listed in the "Type" column.
Access types |
Type |
Special features |
Line Device |
Line object: Version of the line DLL. Device object: Version of the INA frame DLL |
|
Line |
List of all installed MININET devices |
|
Pvar |
|
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
|
Not supported |
|
Access type > 255 |
|
Not supported |
The following table shows an overview of all event types which can be generated from a line. All event types which are not listed are generated by PVI Manager and therefore work independently of the line being used.
Event types |
Special features |
Not supported |
|
Not supported |
|
Event type > 255 |
Not supported |