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108 www.emersonct.com SM-EZMotion Module User Guide
Unidrive SP Power Up Time – Yrs.Days
SPPowerUpTimeYearsDays
The Drive Power Up Time is the time elapsed since power
has been cycled to the Unidrive SP. The format for this
parameter is Years.Days and Hours.Minutes. These
values must be used in combination to find the actual time.
This parameter can be found on the Errors view while
Online with PowerTools Pro EZ.
Total Power Up Time = SPPowerUpTimeYearsDays +
SPPowerUpTimeHoursMinutes
SPRelay Name
SPRelay.#.Name
The relay output on the Unidrive SP can be given a name.
The name can be used in a user program to reference a
specific output if desired. The name can be up to 12
alphanumeric characters, but must begin with a
non-numeric character.
SPRelay State
SPRelay.#.Out
The Unidrive SP has relay output that can be used to
control devices that require more current than a digital
output. The “.Out” at the end of the parameter name is
optional, so this parameter is often referred to simply as
SPRelay.#. This parameter can be used in a user program
to activate the output (i.e. SPRelay.7 = On), or can be
assigned to a Source on the Assignment view.
Unidrive SP Run Time – Hrs.Min
SPRunTimeHoursMinutes
The drive Run Time is the Total Time that the drive has
been powered up with the Bridge Enabled since last reset
by the factory. The format for this parameter is Years.Days
and Hours.Minutes. These values must be used in
combination to find the actual total run time. This
parameter can be found on the Errors view while Online
with PowerTools Pro EZ.
Total Run Time = SPRunTimeYearsDays +
SPRunTimeHoursMinutes
Unidrive SP Run Time – Yrs.Days
SPRunTimeYearsDays
The drive Run Time is the Total Time that the drive has
been powered up and the Bridge Enabled since last reset
by the factory. The format for this parameter is Years.Days
and Hours.Minutes. These values must be used in
combination to find the actual time. This parameter can be
found on the Errors view while Online with PowerTools Pro
EZ.
Total Run Time = SPRunTimeYearsDays +
SPRunTimeHoursMinutes
Unidrive SP Stack Temperature 1
StackTemperature1
This read-only parameter is read from the Unidrive SP
parameter database (parameter 7.04).
StackTemperature1 can be used a user program to
monitor the temperature of the drive.
Start Up
StartUp
This source can be used to trigger an event to occur on
startup (when the SM-EZMotion module powers up or is
rebooted). This source is typically used to initiate a
program or to initiate a home so that a machine will
automatically home on power up or reboot. StartUp will
activate when the SM-EZMotion module has powered up
and no faults are active. Startup may take as long as five
seconds to activate. Depending on what the Startup source
is assigned to, the drive may need to be enabled to perform
the function. If the drive is not enabled, the startup source
cannot initiate programs or motion. The source will remain
active until the SM-EZMotion module is powered down.
Stop
Stop
Activate this destination to stop all motion and programs. If
Stop is activated when a Jog, Index, Home or Program is
in progress, they will decelerate to zero speed at the Stop
Decel ramp. When Stop is active, all Jog, Home, Index and
Program initiate destinations will be ignored. When it is
deactivated, all level sensitive and active input functions
(Jog.0.PlusActivate, Jog.0.MinusActivate, etc.) will
become operational. For example, if the Jog.PlusActivate
input function is active when the Stop input function is
deactivated, the Jog.Plus motion will initiate using the
acceleration found in the Jog.0.Accel parameter. This is
level sensitive.
Stop Deceleration
StopDecel
Deceleration rate used when the Stop destination is
activated.
Unidrive SP Switching Frequency
SwitchingFrequency
This parameter defines the switching frequency for the
Unidrive SP (under normal conditions). Higher values for
switching frequency will eliminate audible high-frequency
noise, but can require derating of system performance in
some cases. This parameter is found on the Setup view
and can be changed within a user program. Valid
selections for this parameter are 3kHz, 4kHz, 6kHz, 8kHz,