Inputs And Additional Outputs - Festo VIFB-02- Series Manual

VIFB1 - 02
6-6
> IFB1-02_BES_V_018474g1_1996-04N - Restored Document - 2011-12-15 <
6. Diagnostic/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)
POWER
LED
Yellow out
or
green out
Yellow alight
or
green alight
Fig. 6/4: LED display – Switching status of the
inputs and additional outputs
Green LEDs
(switching status display
of inputs)
BUS
Status
Logic 0
(signal not present)
Logic 1
(signal present)
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