Festo IFB05-03 Manual page 106

5. Diagnosis and error treatment
5−12
Starting the test routine
1. Switch off the operating and load voltage supplies (pins 1
and 2).
2. Open the node in accordance with chapter 3.2.1, Open
ing and closing the node".
3. Note the settings of the address selector switch and the
DIL switch elements.
4. Set address 99 and DIL switch elements 1...4 to OFF.
5. Switch on the power supplies (pins 1 and 2).
6. Set the desired test routine on the address selector
switches as follows:
Test routine
Parallel
Serial
Fig. 5/9: Setting the test routines
7. Start: Set DIL switch elements 1 and 2 to ON.
If faults occur when the test routine is started, the red LED on
the node will flash fast. The procedure must then be re
peated.
Address to be set
0, 1 or 2
3
Festo P.BE−VIFB5−03−EN en 0503e