Q21. What is the drive output frequency when switch S1 only is closed and the analog inputs are connected to a potentiometer set to its 80% maximum position (8V analog input)? Asume that the potentiometer allows for a speed range from zero speed to maximum (70Hz) speed as the input voltage ranges from 0V to 10V. (a) 18 Hz (b) 35 Hz (c) 52 Hz (d) 56 Hz (e) 70 Hz Q22. What is the drive output frequency when switches S1, S4, S5 and S6 only are closed?

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Q21. What is the drive output frequency when switch S1 only is closed and the analog inputs
are connected to a potentiometer set to its 80% maximum position (8V analog input)?
Asume that the potentiometer allows for a speed range from zero speed to maximum
(70Hz) speed as the input voltage ranges from 0V to 10V.
(a) 18 Hz
(b) 35 Hz
(c) 52 Hz
(d) 56 Hz
(e) 70 Hz
Q22. What is the drive output frequency when switches S1, S4, S5 and S6 only are closed?
(a) 72 Hz
(b) 70 Hz
(c) 68 Hz
(d) 65 Hz
(e) 55 Hz
Q23. Which switch (closed) combination will produce an output frequency of 50 Hz and
reverse rotation?
(a) S2 and S4
(b) S2 and S6
(c) S2, S4 and S5
(d) S2, S5 and S6
(e) S2, S4 and S6
Transcribed Image Text:Q21. What is the drive output frequency when switch S1 only is closed and the analog inputs are connected to a potentiometer set to its 80% maximum position (8V analog input)? Asume that the potentiometer allows for a speed range from zero speed to maximum (70Hz) speed as the input voltage ranges from 0V to 10V. (a) 18 Hz (b) 35 Hz (c) 52 Hz (d) 56 Hz (e) 70 Hz Q22. What is the drive output frequency when switches S1, S4, S5 and S6 only are closed? (a) 72 Hz (b) 70 Hz (c) 68 Hz (d) 65 Hz (e) 55 Hz Q23. Which switch (closed) combination will produce an output frequency of 50 Hz and reverse rotation? (a) S2 and S4 (b) S2 and S6 (c) S2, S4 and S5 (d) S2, S5 and S6 (e) S2, S4 and S6
Q18-Q25 refer to the figure below:
Logic input assignments
LII
Forward
L12
Reverse
L13
DC injection braking
L14
2 preset speeds
LIS
4 preset speeds
LI6
8 preset speeds
Preselected speeds settings
SP2
Hz
25
SP3
Hz
30
SP4
Hz
35
SP5
Hz
40
SP6
Hz
45
SP7
Hz
50
SP8
Hz
SP9
Hz
55
60
OPWR
+24
TFR Max. output
frequency
LSP Low speed
HSP High speed
Hz
Hz
Hz
Wiring schematic
599 399
S2
S3 S4 S5 S6
TCC 2/3
70.0
15.0
65.0
Transcribed Image Text:Q18-Q25 refer to the figure below: Logic input assignments LII Forward L12 Reverse L13 DC injection braking L14 2 preset speeds LIS 4 preset speeds LI6 8 preset speeds Preselected speeds settings SP2 Hz 25 SP3 Hz 30 SP4 Hz 35 SP5 Hz 40 SP6 Hz 45 SP7 Hz 50 SP8 Hz SP9 Hz 55 60 OPWR +24 TFR Max. output frequency LSP Low speed HSP High speed Hz Hz Hz Wiring schematic 599 399 S2 S3 S4 S5 S6 TCC 2/3 70.0 15.0 65.0
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