Festo Кабели и принадлежности - Manual (Page 364)

8. Diagnosis and error treatment
8−8
Festo P.BE−SPC200−EN en 0901d
Short circuit
sensor supply If there is a short circuit, the input module will switch off the
power supply to the sensors self−locking and communicate
the fault to the SPC200. The status LEDs will be switched off
and the inputs of the module supply a 0−signal. After eliminĆ
ating the short circuit, delete this fault by quitting.
Status display Next to the sensor connections there are green LEDs. These
show the status of the signal at the relevant input. The LEDs
indicate the following:
Status LED Sequence Status
ON
OFF
Logical 1 (signal present)
ON
OFF
Logical 0 (no signal)
ON
OFF
Only in the switch−on phase, if:
Ĉ there is a 1−signal and
Ĉ there is an assignment fault on
the axis interface string.