Alstom SHPM 101 - PUR-Simplified Distance Scheme Logic

SERVICE MANUAL R5888B
QUADRAMHO Chapter 1
Appendix A
Page 8 of 8
OR
Zone -2
Zone -3
tZ2
tZ3
Relay A
Trip A
AND
Zone -1
AND
OR
Zone -2
Zone -3
tZ2
tZ3
Relay B
Trip B
AND
Zone -1
AND
Z
B
Zone -1
Zone -2
Zone -3
Z
Zone -1
Zone -2
Zone -3
A
XX XX XX XX
Figure 8: PUR-simplified distance scheme logic