11-6
Maintenance and Troubleshooting
RS-232 Communication Test
This test verifies communications between an OMNIDRIVE and a personal computer by connecting the
XMT pin to the RCV pin. The jumper bypasses the potentially defective cable and remote unit.
Test equipment requirements are:
•
A PC running OMNI LINK
•
The Terminal mode available in Microsoft
Windows
.
1. Close all OMNI LINK windows.
2. Select
Communication
from OMNI LINK and verify your communication settings.
3. Verify the communication cable pin out and check cable continuity. Refer to “RS-232 Connec-
tion Diagrams” on page 6-29.
4. If the communication cable is OK, do the following:
A.
Disconnect the communication cable from the drive (but leave the cable connected to the PC).
B.
Jumper pins 2 and 3 on the D connector of the communication cable.
C.
Close and exit from OMNI LINK.
D.
Select the
Terminal
from the Program Manager (Terminal is usually in the Accessories group).
E.
Select
Settings
from the Main menu:
– Select
Terminal Emulation
from the drop down menu,
– Choose
DEC VT-100,
– Choose
OK
to close the dialog box.
F.
Select
Settings
from the Main menu
– Select
Communications
from the drop down menu
– Choose
COM1
(or the number of the communication port the drive is connected to)
from the Connections sliding list.
– Set Baud Rate to
9600
– Set Data Bits to
8
– Set Stop Bits to
1
– Set Parity to
NONE
– Set Flow Control to
XON/XOFF
– Choose
OK
to close the dialog box.
5. Type any character on the keyboard. The character should echo back on the screen.
If you see the character on the screen remove the jumper between pins 2 and 3, close the Windows Terminal
and restart OMNI LINK.
If the character does
not
echo back on the screen, do the following:
•
Disconnect the cable from your PC.
No Motor Selected
28
No motor was selected when
the drive was enabled.
Select a motor before enabling
the drive.
Motor Information Missing
29
Motor number is referencing a
motor that is not currently in the
drive.
Select a motor that is in the
drive.
Update the motor tables in the
drive (contact the factory).
RESERVED
30-99
Call the factory.
T
ABLE
11.1
Troubleshooting Guide
(continued)
Problem or Symptom
Error Code
Possible Cause(s)
Action/Solution
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