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APPENDIX
– Normal Terminal Stopping Device
158
Mode C1: 2 Thresholds
NTSD Input
1
NTSD Input
2
Result
1
1
Normal
Operation
1
0
If speed feedback
is greater than
NTSD Threshold 2,
decel using S-
Curve 4 and clamp
the speed
command to be no
greater than NTSD
Target Speed.
0
0
If speed feedback
is greater than
NTSD Threshold 1,
decel using S-
Curve 4 and clamp
the speed
command to be no
greater than NTSD
Target Speed.
0
1
If speed feedback
is greater than
NTSD Threshold 1,
decel using S-
Curve 4 and clamp
the speed
command to be no
greater than NTSD
Target Speed.
Mode C1: 3 Thresholds
NTSD Input
1
NTSD Input
2
Result
1
1
Normal
Operation
0
1
If speed feedback
is greater than
NTSD Threshold 3,
decel using S-
Curve 4 and clamp
the speed
command to be no
greater than NTSD
Target Speed.
1
0
If speed feedback
is greater than
NTSD Threshold 2,
decel using S-
Curve 4 and clamp
the speed
command to be no
greater than NTSD
Target Speed.
0
0
If speed feedback
is greater than
NTSD Threshold 1,
decel using S-
Curve 4 and clamp
the speed
command to be no
greater than NTSD
Target Speed.