Toshiba GR200 Series Instruction Manual page 490

Detecting non-maskable interrupt (NMI error)
9.2.9
The occurrences of non-maskable-interruptions (NMIs) on the CPU module are examined
every time; when the interruption is triggered, an interruption message is detected and
displayed.
Error level
(i)
The error level has been set at level 1 (Serious error) for the supervision; detecting the
interruption carried out at any time. If the interruption is detected, the IED restarts its
operation automatically. The supervision function runs on the CPU module
message is made promptly when the error is cleared.
Note: The CPU module is discussed in Chapter
1
and communication module: Processing module.
Error message
(ii)
When detecting an error, an error message can be shown on the LCD screen and an LED is lit.
Table 9.2-18 Error messages provided by the supervisor in CHK_NMI
Message and level
CP*_(NMI) error
Error level
Table 9.2-19 Detailed information in Hexadecimal in NMI
Display
area
Top
row
Middle
row
Bottom
row
Interruptions occurs on the following module instructed with
"CP*_" as follows:
CP1M:
Serious error (Level 1)
Meaning of the detailed information
Left column
NMI code
SRR0 register
Stack pointer
- 476 -
Technical description: Signal processing
Meaning of the information
CPU module
Right column
LR register
SPP1 register
FRSCR register
6F2S1931 (0.20)
. Clearing the error
1
Centralized GRB200
(Soft: 030, 031, 032, 033, 034)