Installation guide

298 Troubleshooting
High voltages are present inside the
unit. Always disconnect the power
before performing any work on the
unit. An electrical shock hazard exists
that may cause serious injury or death
if this unit is operated without its pro-
tective covers in place.
14.1 – Status Indicator Lights
The status indicator lights (red LED's) on the front
panel of the Controller provide an invaluable trou-
bleshooting aid.
14.1.1 - Power Led
The POWER indicator light is located on the Power
Supply Card on the Controller. When lit, it signifies
the unit's power supply is energized. Should this
light fail to come on, follow this procedure:
1) Check if the AC input power is applied; if not,
apply power to the unit.
2) Check if the AC input power is within the opera-
tional range. Refer to page 12-6 for power sup-
ply specifications.
3) Check for an open fuse. Refer to the Power
Supply specifications on page 12-6 for fuse rat-
ings. If the fuse(s) are O.K., or if they fail after
being replaced, an internal failure has occurred
→
contact Superior Electric. Do not apply
power again.
14.1.2 - Fault Led
The "FAULT" indicator light is located on the DSP
controller card. When lit, it signifies a programming
error, a processor error, or a motion error has oc-
curred.
14.1.3 - Busy Led
The "BUSY" indicator lights are located on the dual
axis card. When lit, they signify the control has
received or executed a motion command.
14.2 - Serial Communications
If you are unable to establish serial communications
between a host computer and the Controller:
1) Make sure that all hardware connections have been
made properly, cable lengths do not exceed speci-
fied limits, and that power cables are isolated from
the communications cables.
2) Make sure that a user program is not being executed
while trying to establish communications. If a pro-
gram is running, pressing Ctrl-A from the terminal
mode can stop it.
3) Make sure that the controller's baud rate matches
that of the host computer and the correct communi-
cations protocol (RS232 or RS485) is selected.
Also, ensure that the correct com port is chosen on
the host computer.
The Controller baud rate and communications protocol
is selected with the
BAUD
switch located on the front
panel of the DSP card. If this switch setting has to be
changed you must cycle power to the controller, since
these switches are read only at power up.
The host computer's baud rate can be selected using the
System menu items Terminal Setting- Com Port. The
serial communications format is 8 data bits, no parity,
and 1 stop bit ("8-N-1").
Verify correct Com Port selection and pin out. Place a
jumper between pins 2 & 3. Press a key on the keyboard
in terminal mode. The letter pressed is the letter that will
appear on the terminal screen.
14.3 - If You Can Not Access Axis I/O
Make sure that the polarity jumper on the Axis card is in
the appropriate setting, sink or source, depending on
your particular application. (Refer to section 5.11)
If a problem persists, contact Warner Electric's
Motion Control Applications Engineering Depart-
ment at 1-800-SUPELEC (1-800-787-3532), between
the hours of 8:00 am and 5:00 pm EST.
14.4 – No Motion Occurring
If motion is commanded, the busy LED will illuminate
for the specified axis during motion. No motion occur-
ring indicates that the CLR to COM jumper is not in
place, drive is not ready, windings are not enabled or a
servo drive has not been tuned.