Toshiba GR200 Series Instruction Manual

Also see for GRB200: Instruction manual

6F2S1931 (0.20)Centralized GRB200(Soft: 030, 031, 032, 033, 034)- 329 -Group setting for protection functionsAs shown in Figure 4.8-1, protection settings (i.e., DIF settings, CBF settings, etc.) aresegmented into eight groups, and different setting values of the relays can be set as percircumstances such as operation conditions and others. Note that changing the group cannotbe not carried out instantly.SettingsProtection (Relay)Group1 settingDIFCBF…TRCGroup2 settingGroup8 settingOCEFOVUVTHMTRC…DIFCBF…TRCDIFCBF…TRCFigure 4.8-1 Eight groups for protection settings(i) Changing group number by menu operationThe user can change the group number using the menu† on the IED screen. See the ChapterUser interface: Setting sub-menu.(ii) Changing group number by user-programmingAnother changing method is provided by programing PLC logics (For more information aboutPLC programing, see the ChapterPLC function.) Figure 4.8-2 exemplifies a PLC logic:changing group2 from group1 is performed while BI1 circuit is energized. The group settingfunction “Setting (Function ID 201400)” has a signal reception point ‘PLC_Group_ENUM’ inUNIT type; thus changing the group is performed when either numbers (1 to 8) enters at thesignal reception point. The example logic, designed for changing to group2 from group1,