User manual

A-10 Running Diagnostics
1784-6.5.27 - September 1997
Test the Dual Port
1. From the main menu, press . This option allows you to test the
DH+ or DH-485 communications on a live network.
2. Use the decision table below.
Diagnostic Description If the test fails
Memory
Tests the PKT
x
card’s ability to read
from and write to its internal
memory chips
The PKT
x
card’s RAM may have a
problem
Timer Operation
Tests the accuracy and capabilities
of the counter-timer chips
PKT
x
card may not have reset
completely
Turn power off to the computer.
Remove the card and reinsert.
Turn power on to the computer.
Run this test again.
Serial Port
Operation
Tests the interrupts and loopback
capabilities of the serial I/O chip
There may be a hardware problem
with the PKT
x
card or The wrong
set of KTx*.BIN files are running
To load this
protocol to the
PKT
x
card
Press
this key
You see the message
DH+ (page A-17) F3 DH+ Loading Test. . . . LOADED
DH 485 (page A-17) F4 DH-485 Loading Test. . . . LOADED
return to the main
menu
F10 N/A
F7