Toshiba GR200 Series Instruction Manual page 566

Edit Logical Node
If the required LN or variable is not available in the IED, the user should follow the
steps below to add or modify the Logical Node:
1. To add new LN or to edit the variable of an existing LN, Right click Prot and
select Add Logical Node or select Edit Logical Node.
2. In the Edit Logical Node screen, select LN Class, Prefix and LN Instance and
check the required variable check boxes as shown in Figure 10.3-16 below.
To Add Logical Node
To choose a proper Logical Node*
Figure 10.3-16 Add or Edit Logical Node
*Note: Refer to IEC 61850-7-4 to choose a proper Logical Node.
To add optional variable
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6F2S1931 (0.20)
Centralized GRB200
(Soft: 030, 031, 032, 033, 034)