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APEX615n Installation Guide
Recovering from
Faults
Many of the fault conditions will shut down the APEX615n’s output current to the motor.
Before trying to restart your system, you should first solve the problem that caused the fault.
For example, if a short circuit in a motor cable caused a Drive Fault, the same fault will
probably occur when you restart the drive—unless you first fix the problem.
Most of the fault conditions are latched. Once the problem is fixed, the APEX615n will not
start up again on its own. You must first cycle power, or reset the drive/controller (see Notes
1 & 2 above).
To cycle power, remove AC power from the Control L1 and Control L2 terminals on the
APEX615n, then turn the power back on. Note that there is a dual voltage supply—one for
the internal drive/controller electronics, Control L1/L2, and one for the motor, L1/L2 (see
connection instructions in Chapter 2).
To reset the APEX615n, send a reset signal to the APEX615n’s RESET input, located on the
DRIVE AUXILIARY connector, or issue the DRESET command.
Reset the APEX615n
There are two ways to reset the APEX615n:
• The RESET input is a hardware reset—it resets the drive functions within the
APEX615n. (To reset the drive, hold the reset input at a low voltage, less than 1.0V,
for at least 20 milliseconds. Reset will begin upon release of the low voltage.) NOTE:
An alternative is to issue the DRESET command.
• The reset command (RESET) is a software reset—it resets the controller functions within
the APEX615n.
The two reset functions are independent, and do not directly affect each other. This means that
if you use the RESET input or the DRESET command to reset the drive, the controller will
remain up and running. Similarly, if you issue a RESET command to return the controller to
power-up conditions, the drive functions will not automatically be reset (e.g., the drive will
retain information about motor temperature—see Note 3 above).
Reducing Electrical Noise
For detailed information on reducing electrical noise, refer to Appendix B.
Error Messages and Debug Tools
A list of all possible error messages, and their causes, is provided in the 6000 Series
Software Reference. For instructions on using the APEX615n’s program debug tools (Trace
mode, Single-Step mode, I/O activation, bad command detection, etc.) refer to Program Debug
Tools in the Programming Guide section of the 6000 Series Software Reference.
Technical Support
If you cannot solve your system problems using this documentation, contact your local
Automation Technology Center (ATC) or distributor for assistance. If you need to talk to our
in-house application engineers, please contact us at the numbers listed on the inside cover of this
manual. (These numbers are also provided when you issue the HELP command.)
NOTE: Compumotor maintains a BBS that contains the latest software upgrades and late-
breaking product documentation, a FaxBack system, and a tech support email address.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
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