Alstom SHPM 101 - Synchronous Polarising Healthy Live Line Conditions; Synchronous Polarising Faulty Line Conditions

SERVICE MANUAL R5888C
QUADRAMHO Chapter 2
Appendix A
Page 43 of 71
Elapsed time
Input
55 55 56 55 54
'Data in' is
measured
length of 1/2-
cycle in units
of 179 ms
Synchronism checked
every 4th edge and
adjusted ±bit
55
55
56
55 54
55
55
55
56
55
55
Rotation
anticlockwise
Output
56 55 55
1/2 cycle generated
using 'data out'
DATA OUT
Rotation
reversed
Output
56 55 55
1/2 cycle generated using
'data out'
55
55
56
55
54
55
55
55
13
39
25
41
DATA OUT
DATA IN
Figure 45: Synchronous polarising faulty line conditions
Figure 44: Synchronous polarising healthy live line conditions