Toshiba GR200 Series Instruction Manual

Also see for GRB200: Instruction manual

6F2S1931 (0.20)Centralized GRB200(Soft: 030, 031, 032, 033, 034)- 474 -9.2.7 Supervision of program codes (CPU error)The program code in the ROM and RAM on the CPU module is verified every time; when theerror is found an error message is displayed by the supervision function.(i) Error levelThe error level has been set at level 1 (Serious error) for the supervision, detecting Programerrors on the RAM and the ROM are carried out every second. If the error is detected, the IEDrestarts its operation automatically. The supervision function runs on the CPU module1.Clearing the error message is made promptly when the error is cleared.1Note: The CPU module is discussed in ChapterTechnical description: Signal processingand communication module: Processing module.(ii) Error messageWhen detecting an error, an error message can be shown on the LCD screen and an LED is lit.Table 9.2-14 Error messages provided by the supervisor in CHK_PROGRAMMessage and level Meaning of the informationCP*_(CPU) errorError detection in the RAM and ROM located on the followingmodule:CP1M: CPU moduleError level Serious error (Level 1)Table 9.2-15 Detailed information in Hexadecimal in CHK_PROGRAMDisplayareaMeaning of the detailed informationLeft column Right columnToprow00000000: Add error00000002: Sub error00000004: Mul error00000008: Div error00010000: Detection of overflow in Task stackTask number causing overflowMiddlerow Head address of overflowing task (No information displayed)Bottomrow (No information displayed) (No information displayed)