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