Toshiba GR200 Series Instruction Manual page 503
Centralized busbar protection ied
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Supervision of human machine interface (HMI error)
9.2.20
Supervising the failure in the human machine interface (HMI) is provided.
Error level
(i)
Generally, the default error level has been set at level 3 (Minor error
program the level using setting [CHK_HMI:LVl]; then, set On for the setting [CHK_HMI:Sw].
The manufacturer sets ten (10) seconds to detect the failure; it is reset within 10 seconds when
the failure is cleared.
Note: The functions of the HMI is discussed in Chapter
2
machine interface
Error message
(ii)
When detecting an error, an error message can be shown on the LCD screen and an LED is lit.
Table 9.2-42 Error messages provided by the supervisor in CHK_HMI
Message and level
HMI error
Error level
Table 9.2-43 Detailed information in Hexadecimal in CHK_HMI
Display
area
00000001:
Top
00000002:
row
00000004:
Middle
Counted value for the format error
row
Bottom
row
.
Detection of the HMI failure
Minor error (Level 3)
Meaning of the detailed information
Left column
Timeout of LCD communication
Format error in LCD communication
Communication error in MIMIC LCD
(No information is displayed)
- 489 -
Technical description: Human
Meaning of the information
6F2S1931 (0.20)
). However, the user can
1
Right column
Culminated value for the
timeout
Counter of the MIMIC
communication
(No information is
displayed)
Centralized GRB200
(Soft: 030, 031, 032, 033, 034)
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