Emerson Control Techniques FM-4 Reference Manual page 120

FM-4 Programming Module Reference Manual
Jog Name
This is a descriptive character string which can be assigned to the specific jog. Giving a name to a jog can make the motion
setup easier to follow.
Time Base
This list box allows the user to select between a jog that is based on time (Realtime) as defined by user units, normally in
seconds, or a time based on Master position via an external encoder (Synchronized) set in the Master Units View.
Jog Velocity
This parameter specifies the target jog velocity for the individual Jog. The motor will run at this velocity when jogging with
an assignment or through a program. This value is a signed number. The direction of the jog is determined by the sign of the
jog velocity as well as using the Jog.PlusInitiate or the Jog.MinusInitiate.
Jog Acceleration
This is the acceleration ramp used when initiating this individual Jog. If S-Curve ramps are used, then this is the average
acceleration rate for the entire ramp. The units for the acceleration are setup in the Setup - User Units view in PowerTools Pro.
Jog Deceleration
This is the deceleration ramp used when stopping this individual Jog. If S-Curve ramps are used, then this is the average
deceleration rate for the entire ramp. The units for the deceleration are setup in the Setup - User Units view in PowerTools Pro.
Jog Sources and Destinations
Sources
Jog.AnyCommandComplete
The Jog.AnyCommandComplete source will activate when either Jog0 or Jog1 completes its deceleration ramp, and reaches
zero commanded velocity. It will deactivate when any Jog is initiated again. If the Stop destination is used during a Jog, then
the Jog.AnyCommandComplete will not activate.
Jog.#.Accelerating
This source is active while a jog is accelerating to its target velocity. Once the Jog reaches the target velocity, the
Jog.#.Accelerating source will deactivate.
Jog.#.AtVel
This source activates when the individual jog reaches its target velocity. It deactivates when a jog deceleration ramp begins.
Jog.#.CommandInProgress
The Jog.#.CommandInProgress source is active throughout an entire jog profile. The source activates at the beginning of a
jog acceleration ramp, and deactivates at the end of a jog deceleration ramp.
Jog.#.CommandComplete
The Jog.#.CommandComplete source will activate when the specific jog completes its deceleration ramp. It will remain
active until the specific jog is initiated again. If the Stop destination is used during a Jog, then the Jog.#.CommandComplete
will not activate.
Jog.#.Decelerating
This source is active while a jog is decelerating from its target velocity. Once the Jog reaches zero velocity (or its new target
velocity), the Jog.#.Decelerating source will deactivate.
Destinations
The following destination functions can be found in the Assignments view under the I/O setup group:
Jog.PlusActivate
When this destination is activated, jogging motion will begin in the positive direction. The jog velocity is determined by
which jog (Jog0 or Jog1) is active or not. A jog stops when this destination is deactivated. If the jog velocity is negative,
Jog.PlusActivate will cause the motor to jog in the negative direction.
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