Toshiba GR200 Series Instruction Manual page 1337

Line differential protection ied
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10.5.11 Master-slave monitoring (MSCHK)
The user can monitor the relationship between the master and the slave terminals when the
IEDs operate in the master-slave configuration. The error signal will be issued instantly when
the erroneous configuration is observed. For monitoring, the user set On for the settings
[MSCHK-EN] and [CHK_CM_MS:Sw]. For more information about the master-slave
relationship, see chapter
Error level
(i)
Generally, the default error level is set at level 2 (Serious error (Comm)), but the user can
program the level using settings [CHK_CM_MS1:Lvl] and [CHK_CM_MS2:Lvl]; then, set On
for the settings [CHK_CM_MS1:Sw] and [CHK_CM_MS2:Sw].
Error message
(ii)
When the function operates and detects error, an error message can be shown at the LED and
the LCD screen.
Table 10.5-23 Error messages provided by the supervisor in CHK_CM_MS
Message and level
MSCHKx error
Error level
Table 10.5-24 Detailed information in Hexadecimal in CHK_CM_MS
Display area
N/A
Relay application: Communication application
Meaning of the information
Detection for master/slave failure at X module
Serious error (Level 2)
Meaning of the detailed information
(No information is displayed)
- 1314 -
6F2S1914 (0.49)
.
GRL200 (Soft 033 & 037)

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