Alstom SHPM 101 - Page 198

SERVICE MANUAL R5888C
QUADRAMHO Chapter 2
Appendix A
Page 62 of 71
Figure 71: Blocking scheme
Z
1
A
Current Detector
1
1
1
1
1
1
R
Z
1
B
Z
1
C
CRX
Current Detector Current Detector LDHS
C
LDHS
B
LDHS
A
Z
2
A
Z
2
C
C.I.S.
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2
B
S.O.T.F.En
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3
A
Z
3
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3
C
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A'
Z
1
B'
Z
1
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CRX Ann.
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Aided trip A
Aided trip B
Aided trip C
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CTX
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t
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