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User Manual
OPC UA Server / BACnet Slave
Document code: MN67B32_ENG Revision 1.000 Page 21 of 28
SET BACNET ACCESS:
By Pressing the “
Set BACnet Access
” button from the main window for SW67B32 (Fig. 2) the window “BACnet Set Access” appears (Fig. 5).
The window is divided in two parts, the “
BACnet in Read
”
that contains the BACnet objects readable by a BACnet
Slave (the MQTT messages subscribed); and “
BACnet in
Write
” that contains the BACnet objects writeable by a
BACnet Slave (the MQTT messages published).
The meaning of the fields in the window are the follows:
In the field “
Data Type
” is possible to select the
BACnet object data type;
In the field “
Eng. Unit
”, with double click the
window “
Select the BACnet Engineering Unit
”
appears (Fig. 6);
In the field “
Position
” is possible to select the
position where take/save the data from a 6000
bytes array;
The field “
Start Bit
” is used for the “Binary In” and
“Binary Out” BACnet objects;
The field “
Length
” is used for all the others BACnet
objects;
In the field “
Mnemonic
” a description of the object
is defined.
Figure 5: “BACnet Set Access” window
