3WL air circuit breakers
3.5 External CubicleBUS modules
3WL/3VL circuit breakers with communication capability - PROFIBUS
66 System Manual, 03/2011, A5E01051353-02
Table 3- 15 Testing process for the digital inputs/outputs on the CubicleBUS
Normal operation
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Normal operating status of the input module or
output module. The inputs or outputs are on or off
according to the wiring or the pending signals.
Press "Test" button
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The module then switches to test mode, indicated
by the yellow DEVICE LED.
Press "Test" button
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Input or output 1 is selected by pressing once.
This is indicated by the green LED 1. Following
this, the output can be switched on or off
alternately, or the on or off signal of the input can
be transferred by quickly pressing the "Test"
button (1 s).
After a pause of longer than 2 s,
press the "Test" button.
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Input or output 2 selected. As under 1, the output
can be switched by quickly pressing the button.
On relay modules, a click can be heard.
After a pause of longer than 2 s,
press the "Test" button.
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Input or output 3 selected. On input modules, the
presence of 24 V DC is simulated at the relevant
input and transferred via c.
After a pause of longer than 2 s,
press the "Test" button.
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Input or output 4 selected. Fast pressing of the
"Test" button tests the selected input or output.
After a pause of longer than 2 s,
press the "Test" button.
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Input or output 5 selected. Fast pressing of the
"Test" button tests the selected input or output.
After a pause of longer than 2 s,
press the "Test" button.
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Input or output 6 selected. Fast pressing of the
"Test" button tests the selected input or output.
After a pause of longer than 2 s,
press the "Test" button.
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LED overall test. If the "Test" button is not
pressed again within 5 s, test mode is canceled.
Press the "Test" button within 5 s.
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The test run can start from the beginning.
Shows a yellow light
Shows a green light
Not lit
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