Toshiba GR-200-5 Instruction Manual

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6F2T0207 (0.01)GRE200 (5,6)- 802 -Generic supervision tasks10.2.1 Mismatch between ROM and RAM data (ROM/RAM error)CPU verifies ROM and RAM every two minutes. When an error is found, the message isdisplayed by the supervision function.(i) Error levelThe error level has been set at level 1 (Serious error) in the automatic supervision. Checkingerror on RAM and ROM will be carried out periodically. If the error is detected, the IEDautomatically restarts the operation. The supervision function runs at CPU module1.1Note: It is discussed in ChapterTechnical description: Signal processing andcommunication module (→p. 645).(ii) Error messageWhen detecting an error, the error message will be shown on the LCD screen. LED will be litup.Table 10.2-1 Error messages provided by the supervisor in CHK_ROMRAMMessage and level Meaning of the informationCP*_ (ROM/RAM) errorMismatch between the RAM and ROM detected on the followingmodule instructed with “CP*_” as follows:CP1M: CPU moduleError level Serious error (Level 1)Table 10.2-2 Detailed information in CHK_ROMRAMDisplayareaMeaning of the detailed informationLeft column Right columnToprow00000001: Read error in ROM00000002: Mismatch between ROM and RAM ROM addressMiddlerow RAM address ROM valueBottomrow RAM value (No information displayed)