Siemens 8DA10 - Manual Earthing Switch Operations

Operation
';%$23(5$7,21'$,668(
 
17.4 Earthing manually
Caution!
(DUWKLQJXQGHUORDGZLOOGHVWUR\WKUHHSRVLWLRQVZLWFK
Õ 6ZLWFKWKHFLUFXLWEUHDNHUWRWKHo23(1pSRVLWLRQ
Õ DQGLVRODWHWKHIHHGHU
Õ ,QVHUWWKHGRXEOHELWNH\DQGWXUQLWcounter-
clockwise
7KHRSHQLQJIRUWKH($57+,1*6:,7&+IXQFWLRQRI
WKHWKUHHSRVLWLRQVZLWFKLVUHOHDVHG
Õ +ROGWKHHDUWKLQJVZLWFKOHYHULQKRUL]RQWDOSRVLWLRQ
QRVHRQWKHOHIWDQGSXVKLWRQWRWKHKH[DJRQDO
VKDIWDVIDUDVLWZLOOJR
Õ 7XUQHDUWKLQJVZLWFKOHYHUclockwise
7KHQRVHRIWKHHDUWKLQJVZLWFKOHYHULVRQWKHULJKW
DQGWKHHDUWKLQJVZLWFKLVFORVHG
Õ 5HPRYHWKHHDUWKLQJVZLWFKOHYHU
Õ 7XUQGRXEOHELWNH\EDFNclockwiseDQGUHPRYHLW
7KHRSHQLQJIRUWKH($57+,1*6:,7&+IXQFWLRQRI
WKHWKUHHSRVLWLRQVZLWFKLVFORVHG
7KHVZLWFKSRVLWLRQLQGLFDWRUVKRZVo5($'<72
($57+p
Danger!
+LJKYROWDJH'DQJHU
7KHHDUWKLQJSURFHVVLVnot completed untilWKHFLUFXLW
EUHDNHULVFORVHG
Õ $IWHUHDUWKLQJZÇWKWKHWKUHHSRVLWLRQVZLWFKFORVH
WKHFLUFXLWEUHDNHU
17.5 De-earthing manually
Õ 6ZLWFKWKHFLUFXLWEUHDNHUWRWKHo23(1pSRVLWLRQ
Õ ,QVHUWWKHGRXEOHELWNH\
Õ 7XUQWKHGRXEOHELWNH\counter-clockwiseDVIDUDVLW
ZLOOJR
7KHRSHQLQJIRUWKH($57+,1*6:,7&+IXQFWLRQRI
WKHWKUHHSRVLWLRQVZLWFKLVUHOHDVHG
Õ +ROGWKHHDUWKLQJVZLWFKOHYHULQKRUL]RQWDOSRVLWLRQ
QRVHRQWKHULJKWDQGSXVKLWRQWRWKHKH[DJRQDO
VKDIWDVIDUDVLWZLOOJR
Õ 7XUQHDUWKLQJVZLWFKOHYHU
R
counter-clockwise
QRVHRQWKHOHIW
7KHHDUWKLQJVZLWFKLVRSHQ
Õ 5HPRYHWKHHDUWKLQJVZLWFKOHYHU
Õ 7XUQGRXEOHELWNH\EDFNclockwiseDQGUHPRYHLW
7KHRSHQLQJIRUWKH($57+,1*6:,7&+IXQFWLRQRI
WKHWKUHHSRVLWLRQVZLWFKLVFORVHG
7KHVZLWFKSRVLWLRQLQGLFDWRUVKRZVo($57+2))p
17.6 Three-position switch with auxiliary voltage (motor
operating mechanism)
7KUHHSRVLWLRQVZLWFKHVZLWKPRWRURSHUDWLQJ
PHFKDQLVPFDQDOVREHRSHUDWHGIURPUHPRWH
DFFRUGLQJWRWKHVZLWFKJHDUGHVLJQ
Fig. 27: &ORVLQJWKHHDUWKLQJVZLWFK
a
(DUWKLQJVZLWFK
s
&LUFXLWEUHDNHU
d
'LVFRQQHFWRU