Inputs And Additional Outputs - Festo VIFB-02 Series Manual

VIFB8 – 02
6-6
6. Diagnosis/error treatment

Inputs and additional outputs

There are green or yellow LEDs below or above
the input/output connections on the valve-sensor
coupling unit of the valve sensor terminal. These
LEDs show the signal which is currently at the
input or output.
Yellow LEDs
(Switching status display
of additional outputs)
LED Status
Yellow off Logic 0
or (no signal)
green off
Yellow on Logic 1
or (signal exists)
green on
Fig 6/4: LED-display – Switching status of the
inputs and additional outputs
Green LEDs
(Switching status display
of inputs)
9706