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VIFB13 - 03/05
5-12
5. Diagnosis/error treatment
Starting the test routine
1. Switch off the power supplies (pins 1 and 2).
2. Open the node.
3. Note the positions of the address selector
switch and the DIL switch elements.
4. Set DIL switch element 3 to OFF.
5. Set station no. to 199.
6. Switch on the power supplies (pins 1 and 2).
7. Set the desired test routine on the address
selector switches as follows:
Test routine
Parallel
Serial
Display
configuration
data
Fig. 5/8: Setting the test routines
8. Start the test routine:
Set DIL switch element 1 to OFF.
If errors occur when the test routine is started,
the red LED on the node will flash quickly. The
procedure must then be repeated.
Stopping the test routine
1. Switch off the power supplies (pins 1 and 2)
of the terminal.
2. Set the address selector switch and the DIL
switch elements at their original positions.
Address to be set
100, 101 or 102
103
104
9809b
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