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3.7 Executing the test routine
The test routine is described below.
Start-test ➜ Press the keys
simultaneously and switch the
counter on.
● All the display segments will be displayed automatically in
sequence and are thereby tested for functional capability.
Test extension ➜ Using the
key, test the keyboard, the inputs, outputs and
interface in sequence.
No machine functions may be connected when the outputs are
tested.
Keyboard test
Input test
● Inputs can be triggered simultaneously or individually. A display
is only provided when a signal is applied.
Output test
➜ Press the keys
.
The outputs are now activated. Reset the outputs with the
key.
Interface test (example)
Display: instrument model and program number (example)
Display: program date and version (example)
End of test The test routine is terminated; the counter is now in the operating
mode.