VFD68 Variable Frequency Drives
56
Configuring Manual Motor Speed Control in PU Mode
VFD68Bxx and VFD68Cxx Drives
Verify that the VFD68 is in PU mode with no jumper between SD and STF (Figure 39 on page 56).
1.
If the
PU
LED is not illuminated, press
until the
PU
LED comes on.
2.
Press
to start the VFD68 output to the motor.
3.
Turn
to change motor speeds. Run the motor at high speed, maximum frequency.
4.
Verify that the motor FLA is correct using one of the following methods:
•
Use a clamp-on amp meter
•
Press
repeatedly until
MON
LED is on; press
until the LED display shows
A
for amperes
instead of
Hz
for frequency.
5.
Press
to stop the output to the motor.
Figure 39: VFD68 Setup and Low
-
Voltage Connections
10
AM
2
5
4
SO S1 S2
RM
Current: I
Volts: V
F
IG
:vf
d6
8
_
lw
_v
lt
g
_
w
rng
SI
NK
SOURCE
(+
5
V
)
(A
I1
)
(A
C
O
M)
(A
I2
)
(+
2
4
V
)
(C
OM
)
PU
EXT
RUN
MODE
SET
STOP
RESET
STOP
RESET
