Alstom SHPM 101 - 5.16.44 Typical logic symbols used

SERVICE MANUAL R5888C
QUADRAMHO Chapter 2
Page 65 of 74
20ms
Time delay on drop-off
drop-off time = 20ms
pick-up time = 0ms
Time delay on drop-off
drop-off time = 0ms
pick-up time = 5ms
tp = pick-up time
td = drop-off time
0
t
t
0
tp
td
5ms
B
&
A
B
Output
OutputInputs
A
0
0
1
1
0
1
0
11
0
0
0
B
&
A
B
Output
OutputInputs
A
0
0
1
1
0
1
0
1
1
0
1
1
1
B
&
A
B
Output
OutputInputs
A
0
0
1
1
0
1
0
10
0
1
0
B
1
A
B
Output
OutputInputs
A
0
0
1
1
0
1
0
11
0
1
1
B
1
A
B
Output
OutputInputs
A
0
0
1
1
0
1
0
1
0
1
0
0
1
0
0
B
1
A
B
Output
OutputInputs
A
0
0
1
1
0
1
0
11
1
0
1
R
Output
OutputInputs
S
0
0
1
1
0
1
0
11
X
0
1
R
Output
OutputInputs
S
0
0
1
1
0
1
0
1
0
1
0
1
0
0
1
S
R
Q
S
R
Q
QQ
X = no change
X = no change
5.16.44 Typical logic symbols used