3-12
Programming and Parameters
PowerFlex 40 Adjustable Frequency AC Drive FRN 1.xx - 7.xx User Manual
Publication 22B-UM001I-EN-E
Basic Program Group
(continued)
P038 [Speed Reference]
Related Parameter(s):
,
,
,
,
,
,
-
Sets the source of the speed reference to the drive.
The drive speed command can be obtained from a number of different sources. The source is
normally determined by
[Speed Reference]. However, when
-
[Digital Inx Sel] is set
to option 2, 4, 5, 6, 11, 12, 13, 14, 15 and the digital input is active, or if
[PID Ref Sel] is not set
to option 0, the speed reference commanded by
[Speed Reference] will be overridden. Refer to
the flowchart on
for more information on speed reference control priority.
Options
0 “Drive Pot” (Default)
Frequency command from the potentiometer on the integral
keypad.
Important: This option is not available with IP66, NEMA/UL
Type 4X rated drives. Internal frequency command comes
from
[Internal Freq].
1 “InternalFreq”
(IP66, NEMA/UL Type
4X Default)
Internal frequency command from
[Internal Freq]. Must
be set when using MOP function.
2 “0-10V Input”
External frequency command from the 0-10V or ±10V analog
input or remote potentiometer.
3 “4-20mA Input”
External frequency command from the 4-20mA analog input.
4 “Preset Freq”
External frequency command as defined by
[Preset Freq x] when
[Digital Inx Sel] are
programmed as “Preset Frequencies” and the digital inputs
are active.
5 “Comm Port”
External frequency command from the communications port.
Refer to Appendix C for details.
6 “Stp Logic”
External frequency command as defined by
[Preset Freq x] and
[Stp Logic x].
7 “Anlg In Mult”
External frequency command as defined by the product of the
analog inputs (shown in
[Analog In 0-10V] and
[Analog In 4-20mA]).
[Analog In 0-10V]
×
[Analog In 4-20mA] = Speed Command
Example: 100%
×
50% = 50%
P039 [Accel Time 1]
Related Parameter(s):
,
-
,
-
Sets the rate of acceleration for all speed increases.
Values
Default:
10.0 Secs
Min/Max:
0.0/600.0 Secs
Display:
0.1 Secs
Maximum Freq
Accel Time
Accel Rate
=
Speed
0
Time
P035 [Maximum Freq]
P039 or A067
[Accel Time x]
P040 or A068
[Decel Time x]
0
Acceler
ation
Deceler
ation
22B-UM001.book Page 12 Tuesday, May 30, 2017 5:22 PM
