6F2S1931 (0.20)Centralized GRB200(Soft: 030, 031, 032, 033, 034)- 698 -Test sub-menuTest functions can be operated from the test screen available on the front panel of the IED.(i) Test screenThe Test screen has functions such as Test Mode, Test Flag, Mode Change and SignalMonitoring. The user can select any of these test functions using the following test screen.Figure 11.8-1 Test screen(ii) Test mode screenThe Test Mode screen is shown in Figure 11.8-2. The Test Mode screen has four functions, TestOption, Function Test, Binary Input and Binary Output.Figure 11.8-2 Test Mode screenTest option screen: The Test Option screen, shown in Figure 11.8-3, is usedto select the following functions and perform a Test flag forced reset.Figure 11.8-3 Test Option screen Test flag cancel (S-TestFlagCancel)This function is used to forcibly reset the Test flag in the communicationpacket. The Test flag is set to OFF by default. The Test flag is used incombination with another device in the Test mode. When this option isselected, the Test flag in the communication packet is reset temporarily toTest10:48 1/4Test Mode +OffTestFlag-EN +OnMode Change >Single Monitoring >Test Mode10:48 1/4Test Option >Function Test >Binary Input >Binary Output >Test Option10:48 1/65S-TestFlagCancel +OffGOSNDBLK +OffGOSUBBLK +Off