Rockwell Automation 1398-DDM-xxx USE MNL/ULTRA 200 DIG.SERVO.DR - Manual (Page 200)

Publication 1398-5.0 – October 1998
11-12 Maintenance and Troubleshooting
A. If you see the character on the screen swap pins 2 and 3, close
the Windows Terminal and restart ULTRA Master.
B. If the character does not echo back on the screen, do the
following:
(a) Disconnect the cable from your PC.
(b) Jumper Pins 2 and 3 on the communication port of the
PC.
(c) Type any character on the keyboard.
(1) If the character echoes back, the communication port
is OK and the cable or the connectors are defective.
Replace the communication cable assembly.
(2) If the character did not echo back, the communication
port is defective. Replace the communication port.
Testing Digital Outputs
This test verifies the functionality of the selectable outputs.
Test equipment requirements are:
●
A PC running ULTRA Master
●
A multimeter.
It assumes there are no error codes displayed, and the 24V power
supply is connected correctly.
Disconnect the outputs from any external hardware while performing
this test.
1. Disable the drive by opening the switch connecting J1-26 and
J1-20.
2. From the Drive Window select the O u tput Diagnostics com-
mand icon.
3. Verify each of the digital Outputs in the Output Diagnostics win-
dow registers the following values when it is selected or dese-
lected:
A. Drive Ready box, then measure the resistance between J1-24
and J1-25.
(a) If the box is checked, the resistance should read
approximately 1 Ohm.
(b) If the box is not checked, the resistance should read very
high (> 1 MOhm).