X5 AC Drive User’s Manual
Chapter 5: Operation and Programming
DPD00089A
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58 -
© 2009 Vacon Incorporated All Rights Reserved
5.9.2 Reminders
The X5 also allows you to set up three reminders, based on real time. While they are fundamentally
time-based, they can be based also on drive run time, or enabled or “gated” time. Reminders can be
helpful for maintenance technicians or operators.
Gated time is roughly equivalent to a “lap” time if you’re running a race, where time is only counted
while a certain condition is true. That is, while a digital input is active, the timer is gating. If it is no
longer active, gating stops.
When a reminder has timed out, a digital output can be activated to warn the operator or maintenance
technician that a certain action must be taken, such as regular maintenance or cycling of some
element in the process.
A reminder’s time-out can also be monitored from the keypad (through the
ETA
parameters:
,
on page 74) and reset remotely, again through a digital input.
The parameters associated with reminder configuration are:
See
for information on how to program digital inputs and outputs to work with reminders.
5.9.3 Timers
The X5 can also act as a timer. It actually has two timers available (parameters
). Each timer
can look at any signal normally presented to a digital input and delay its function by a set value (in
seconds). You may also choose to delay the transition in turning off the function--that is, you can
configure a digital output to delay on, delay off, or both, for any function presented normally to a
digital input.
This kind of functionality is often critical to coordinating the operation of more than just the motor
driven by the X5. You may even be able to eliminate the need for a PLC to control a complete
operation, if you can utilize more of the built-in functionality of the X5.
The parameters associated with timer configuration are:
5.9.4 Thresholds
Another X5 feature related to digital outputs and overall machine coordination is the threshold
function. The X5 provides two thresholds that can be used to trigger a digital output to control other
equipment based on the conditions measured at one of the analog inputs or overall drive conditions.
It doesn’t matter if the analog input is controlling the X5 or not; the X5 is simply measuring the input
and can transmit the condition of the signal associated with it.
Parameter Number
Configuration
Time
Time to Completion
Reminder #1
Reminder #2
Reminder #3
Parameter Number
Timer Type
Timer Signal
Timer “Time”
Timer #1
Timer #2
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