LION microPLC
▪
Operation
39
10.4.3
US
Q
ERR
The LED
US
Q
ERR
is red in case of a short circuit
At a short circuit, the temperature of the output driver changes. This is detected
by the device and the output is switched off. In this case, the LED
US
Q
ERR
lights
up red. If the temperature drops again due to the switched off output, the output
is switched on again. The LED
US
Q
ERR
is off.
If the short-circuit is still present, the output is switched off again as soon as the
temperature is too high. The LED
US
Q
ERR
lights up red.This means that if there
is a short circuit, the output is switched on and off again and again and the
US
Q
ERR
LED lights up red as soon as the output is switched off.
Only observe the LED
US
Q
ERR
when the LED
US
Q
OK
also lights up!
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