
EN 86
7000 SERIES INDICATORS
Figure 5-3: Serial Test Display
2
During the test, a data string is output repeatedly approximately once every three seconds. The data is:
[Testing COMx: nn] where “x” is the COM port and “nn” is an incrementing value beginning at 1 and continuing
through 99 then starting over again. Each transmission increments this number by one.
3
Any data received during the serial test is displayed in the bottom part of the display to the right of the
“Receiving:” label. Control characters are not displayed in this mode.
4
If a jumper wire is placed between the transmit and the receive terminals (Figure 5-4) on the port being tested,
the same data string that is transmitted displays as the receiving field. This jumper can confirm correction
operation of both the transmit and receive circuitry of that COM port.
Figure 5-4: Jumper Wire Between COM1 Transmit and Receive Terminals
5
To select another port for the serial port test, press the
ENTER
key to move focus back into the port selection
box select another port.
6
To stop the test routine and exit, press the
LEFT
navigation key.
Discrete I/O Test
This test provides a view of the status of the discrete inputs and allows enabling or disabling of the discrete outputs
for diagnostic purposes. Open the Discrete I/O test page by pressing the
ENTER
key.
1
A warning message is shown first to remind the tester that the outputs can be turned on manually during this
test so any control power to the discrete outputs should be removed.
THE DISCRETE OUTPUTS OF THE TERMINAL WILL BE
MANUALLY ENABLED DURING THIS TEST.
REMOVE OUTPUT CONTROL POWER SO EXTERNAL
EQUIPMENT WILL NOT BE ENERGIZED BY MISTAKE.
EXERCISE CARE WHEN MAKING CHECKS, TESTS AND
ADJUSTMENTS THAT MUST BE MADE WITH POWER
ON. FAILURE TO OBSERVE THESE PRECAUTIONS CAN
RESULT IN BODILY HARM AND/OR PROPERTY
DAMAGE.
2
Press
ENTER
to continue to the diagnostic screen. When viewing the test screen, the input status will be
shown at the top of the display and the output status will be shown at the bottom of the display (Figure 5-5).
Focus is shown on Output #1 first.
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