Toshiba GR200 Series - 10.5.4 Communication failure (Com fail); (i) Error level; (ii) Error message

6F2S1914 (0.49)
GRL200 (Soft 033 & 037)
- 1307 -
10.5.4 Communication failure (Com fail)
The transmission between two IEDs is also monitored. If the error is detected for ten seconds,
the communication failure is issued.
(i) Error level
Generally, the default error level is set at level 2 (Serious error (Comm)), but the user can
program the level using settings [CHK_CM_FAIL1:Lvl] and [CHK_CM_FAIL2:Lvl]; then, set On
for the setting [CHK_CM_FAIL1:Sw] and [CHK_CM_FAIL2:Sw]. The manufacture sets ten (10)
seconds to detect the failure; it is reset in 12 ssp (i.e., 12×48×Power_system_frequency (Hz))
when the failure is cleared.
(ii) Error message
When the function operates and detects error, an error message can be shown at the LED and
the LCD screen.
Table 10.5-9 Error messages provided by the supervisor in CHK_CM_FAIL
Message and level
Meaning of the information
ComX fail
Detection of an error located at X†
Error level
Serious error (Level 2) †
†Note: Level 2 is set as default, but the user can change the error level above using the
settings [CHK_CM_FAIL*:Lvl].
Table 10.5-10 Detailed information in CHK_CM_FAIL
Code No.
Meaning of the detailed information
N/A
(No information is displayed)