Toshiba GR-200 Series Instruction Manual page 726

10.2.27 Supervision of disconnector contacts (DS fail)
Detecting the DS operation failure is achieved with the service of the protection common
function (PROT_COMM†). The failure signal of the PROT_COMM is transferred to the
automatic supervision function.
†Note: see Chapter
Error level
(i)
Error level has been set at level 3 (Minor error; default), but the user can change it with setting
[CHK_DS:LVl]. Remember that the user needs to set On for setting [CHK_DS:Sw]. The time to
detect can be set using [TDSSV], which is provided in PROT_COMM function. The error will
be reset instantly if the error is resolved.
Error message
(ii)
When detecting an error, the error message will be shown on LCD screen. LED will be lit up.
Table 10.2-53 Error messages provided by the supervisor in CHK_DS
Message and level
DS fail
Error level
Table 10.2-54 Detailed information in Hexadecimal in CHK_DS
Display
area
Top
00000001: DS fail is existing
row
Middle
(No information is displayed)
row
Bottom
(No information is displayed)
row
Relay application: Protection common
Detection of the failure in the DS
Minor error (Level 3)
Meaning of the detailed information
Left column
- 707 -
(→p. 271).
Meaning of the information
(No information is displayed)
(No information is displayed)
(No information is displayed)
6F2T0200 (0.15)
Right column
GRE200 (1,2)