Rockwell Automation 1784-KT2/C INST.DATA COMM.INTERFACE MOD. - Manual (Page 25)

Communication Interface Module
Cat. No. 1784-KT2/C
Installation Data
25
If you choose Repeat, you are asked how many passes you want to make.
Specify this number and press [ENTER].
After you make your selection, the following screen appears (in this
example, the PLC–2 function is displayed):
Table 4 describes each of the above terms.
Table 4
Off-line Communications Diagnostics Screen Definitions
This term: Indicates:
DH+ test results of the loopback test. This loopback test checks the capability of
the Data Highway Plus (DH+) channel on the SIO (main port) chip. If any
errors occur, the failure counter increments and continues with the next test.
PLC-2
(or PLC-3)
test results of the loopback test. This loopback test checks the capability of
the PLC-2 (or PLC-3) channel on the SIO (auxiliary port) chip. If any errors
occur, the failure counter increments and continues with the next test.
7. You are asked to install your loopback connector with PLC–2 or
PLC–3 capability. Make sure your loopback connector is installed
and press [Y].
The Off–Line Communications test runs according to the number of times
specified in step six. Your screen shows you when the tests are complete
(Status column), how many errors were discovered (Failures column), and
final test results (Results column).
8. When you are finished, press any key to return to the main menu.