Toshiba GR200 Series Instruction Manual page 1329

Synchronizing and sampling error (Com sync fail)
10.5.3
In the dual communication mode† (i.e., either 2Term-Dual, 2Term–4Term is set for setting
[TERM_TOPOLGY]), synchronization between two IEDs is monitored. If the error is detected
for ten seconds, the synchronizing error is issued.
†Note: See chapter
Error level
(i)
Generally, the default error level is set at level 2 (Serious error (Comm)), as default, but the
user can program the level using settings [CHK_SPSYNC1:LVL] and [CHK_SPSYNC2:LVL];
then, set On for the settings [CHK_SPSYNC1:Sw] and [CHK_SPSYNC2:Sw]. The
manufacturer sets ten (10) seconds to detect the failure; it is reset with in one second when the
failure is cleared.
Error message
(ii)
When the function operates and detects error, an error message can be shown at the LED and
the LCD screen.
Table 10.5-7 Error messages provided by the supervisor in CHK_SPSYNC
Message and level
ComX sync fail
Error level
Table 10.5-8 Detailed information in CHK_SPSYNC
Code No.
N/A
Relay application: Transmission control function
Meaning of the information
Detection of an error located at X
Serious error (Level 2)
Meaning of the detailed information
(No information is displayed)
- 1306 -
6F2S1914 (0.49)
.
GRL200 (Soft 033 & 037)