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c. Press OK. The display changes to:
3 —0* Reference Limits
3 —1* References
d. Press OK again. The following display appears:
3 —02 Minimum Reference
0.000
NOTE: If the bottom row displays a number other than 0.000,
press OK and use the ▲ (Up arrow) and ▼ (Down arrow) keys
to select 0.000.
e. Press ▼ (Down arrow key) once. The following dis-
play appears:
3 —03 Maximum Reference
60.000
NOTE: If the bottom row displays a number other than 60.000,
press OK and use the ▲ (Up arrow) and ▼ (Down arrow) keys
to select 60.000.
f. Press the Back key until the following display
appears:
3 —0* Reference Limits
3 —1* References
g. Press ▼ (Down arrow key) once to move the high-
light to the bottom row, then press OK. The following
display appears:
3 —10 Preset Reference
[0]0.00%
h. Press OK once to highlight the number in brackets.
Press OK again. The highlight moves to the current per-
cent value. Use the ▲ (Up arrow) and ▼ (Down
arrow) keys and the following table to enter the
required Preset Reference values:
[0]0.00%
Stop
[1]LL.LL%
Low Speed (see Tables 19-23, column labeled "Pre-
set References 3-10[1]" for the proper % for each unit)
[2]MM.MM%
Medium Speed (see Tables 19-23, column labeled
"Preset References 3-10[2]" for the proper % for each
unit)
[3]100%
Override (High Speed)
[4]100%
High Speed (100% or close to 100% to achieve the
required CFM at high speed)
[5]100%
Stop
[6]100%
Stop
[7]100%
Stop
8. Set the Ramp Time:
a. Press the Back key until the following display
appears:
3 —0* Reference Limits
3 —1* References
b. Press ▼ (Down arrow key) twice. The following dis-
play appears:
3—1* References
3—4* Ramp 1
c. Press OK. The following display appears:
3 —41 Ramp 1 Ramp up Time
3.00s
d. Press OK again to highlight the bottom row; then use
the ▲ (Up arrow) and ▼ (Down arrow) keys to select
10.00s. Press OK again to set the selected Ramp up
Time.
e. Press ▼ (Down arrow key) once. The following dis-
play appears:
3 —42 Ramp 1 Ramp Down Time
3.00s
f. Press OK again to highlight the bottom row; then use
the ▲ (Up arrow) and ▼ (Down arrow) keys to select
10.00s. Press OK again to set the selected Ramp Down
Time.
9. Set Limits:
a. Press the Back key until the following display
appears:
2—** Brakes
3—** Reference/Ramps
b. Press ▼ (Down arrow key) once. The following dis-
play appears:
3—** Reference/Ramps
4—** Limits/Warnings
c. Press OK. The following display appears:
4 —1* Motor Limits
4 —4* Adj. Warning 2
d. Press OK again. The following display appears:
4 —10 Motor Speed Direction
[2] Both Directions
e. Press ▼ (Down arrow key) once. The following dis-
play appears:
4—12 Motor Speed Low Limi...
0.0Hz
f. Press ▼ (Down arrow key) again. The following dis-
play appears:
4—14 Motor Speed High Limi...
65.0Hz
NOTE: Press OK to highlight the HZ value, and then use the ▲
(Up arrow) and ▼ (Down arrow) keys to enter the required
values.
g. Press ▼ (Down arrow key) once. The following dis-
play appears:
4—18 Current Limit
110%
NOTE: Press OK to highlight the % value, and then use the ▲
(Up arrow) and ▼ (Down arrow) keys to enter the required
value. See Tables 19-23 for the proper value for this parameter.
Then press OK to set the selected value.
h. Press ▼ (Down arrow key) once. The following dis-
play appears:
4—19 Max Output Frequency
65.0Hz
NOTE: Press OK to highlight the HZ value, and then use the ▲
(Up arrow) and ▼ (Down arrow) keys to enter the required
values.
10. Set Digital Inputs:
a. Press the Back key until the following display
appears:
3—** Reference/Ramps
4—** Limits/Warnings
71
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