Industrial
Electronic Devices
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User Manual
IEC 61850 Server / BACnet Slave
Document code: MN67738_ENG Revision 1.000 Page 21 of 30
Figure 4: “IEC 61850 Access” window
IEC 61850 ACCESS:
By Pressing the “
IEC 61850 Access
” button from the main window for SW67738 (Fig. 2) the window “Set Variables Access for IEC 61850”
appears (Fig. 4).
This section is used to define the IEC 61850 variables from/to which take/map the data of BACnet Master.
The means of the fields are:
If the field “
Enable
” is checked, the IEC 61850 variable is enabled;
In the field “
Name
” the name of the IEC 61850 variable is defined;
In the field “
Type
” the data format of the IEC 61850 variable is defined;
In the field “
Length
” the dimension of the IEC 61850 variable is defined;
If the field “
Read Only
” is checked, the IEC 61850 variable is just in reading. Otherwise, it is writeable too;
In the field “
Position
” the starting byte of the internal memory arrays from/to which taking/mapping the data is defined;
In the field “
Start Bit
” the starting bit of the byte of the field “Position” is defined;
In the field “
Conversion
” the conversion of the data is defined. This option is used to convert the data format between BACnet and
IEC 61850;
In the field “
Molt. Factor
” a multiplicative factor of the value is defined;
If the field “
Swap
” is checked, the bytes’ order is reversed;
If the field “
Swap World
” is checked, the words’ order is reversed;
In the field “
Mnemonic
” a description of the variable is defined.