Alstom SHPM 101 - Page 170

SERVICE MANUAL R5888C
QUADRAMHO Chapter 2
Appendix A
Page 34 of 71
Figure 33a: Flowchart of sequence comparator
B1
B2
B3
B4
A1
A2
A3
A4
Is inhibit
output high
Is reset
input high
Set register
Yes
No
No
No
Is register
1 set
Finish timer
Yes
Yes
No
Is selfcheck
input high
Yes
No
Is selfcheck
input high
Is reset
input high
Yes
No
Re-start timer
Yes
Fig 34A
Fig 34A
Fig 34A
Fig 34A
Fig 34B
Fig 34B
Fig 34B
Fig 34B
Is timer finished
Is register
1 set
No
No
Yes
Yes