78
W7 ASD Installation and Operation Manual
Jog Run Frequency
Program
⇒
Frequency Settings
⇒
Jog Operation
⇒
Jog Run
Frequency
This parameter sets the output frequency of the ASD during a Jog. Jogging is
the term used to describe turning the motor on for small increments of time and
is used when precise positioning of motor-driven equipment is required.
The Jog function is initiated via the Control Terminal Strip or using
Communications (for further information on using Communications for
Jogging see the Communications manual).
To perform a Jog, first set this parameter to the desired Jog frequency.
Jog Using the Control Terminal Strip
To initiate a Jog from the Control Terminal Strip perform the following:
1.
Assign a discrete input terminal to the Jog function (see
Table 6 on
page 138
).
2.
Assign a discrete input terminal to the F (Forward) function (and
Reverse if required) (see
Table 6 on page 138
).
3.
Provide a Forward and/or Reverse command from the Control Ter-
minal Strip.
4.
Place the system in the Remote mode (Local/Remote LED is off).
5.
Connect the assigned Jog terminal (from step
1
) to CC for the desired
Jog duration.
Parameter Type — Numerical
Factory Default — 0.00
Changeable During Run — Yes
Minimum — 0.00
Maximum — 20.00
Units — Hz
Jog Stop Control
Program
⇒
Frequency Settings
⇒
Jog Operation
⇒
Jog Stop Control
This parameter sets the stopping method used while operating in the Jog mode.
Settings:
Deceleration Stop
Coast Stop
DC Injection Braking Stop
Parameter Type — Selection List
Factory Default — Coast Stop
Changeable During Run — Yes
Jump Frequency #1
Program
⇒
Special Control
⇒
Jump Frequency #1
This parameter sets a frequency that, during acceleration, deceleration, or while
running, will not be output from the ASD. This parameter operates in
conjunction with the bandwidth setting of Jump Frequency #1 Bandwidth.
During acceleration, the output frequency of the ASD will hold at the frequency
of the lower level of the Jump Frequency (1, 2, or 3) range until the
programmed acceleration ramp reaches the upper level of the Jump Frequency
range. Then, the output frequency of the ASD will accelerate to the upper level
of the Jump Frequency range and continue upward as programmed.
During deceleration, the output frequency of the ASD will hold at the frequency
of the upper level of the Jump Frequency range until the programmed
deceleration ramp reaches the lower level of the Jump Frequency range. Then,
the output frequency of the ASD will decelerate to the lower level of the Jump
Frequency range and continue downward as programmed.
If overlapping Jump Frequency bandwidths are set up, the system will respond
with one bandwidth setting that includes the total range.
Once set up and enabled, it is on in all control modes.
User-selected frequencies may be jumped to avoid the negative effects of
mechanical resonance.
Parameter Type — Numerical
Factory Default — 0.0
Changeable During Run — Yes
Minimum — 0.0
Maximum — Max. Freq.
Units — Hz
Jog Run Frequency
Jump Frequency #1
