Table 2: Function of the visual diagnostic LEDs, the serial status signals and the safety outputs by means of an example
System
conditio
n
LED's Safety
outputs
Status signals serial diagnostic byte Bit n°
green red yellow Y1, Y2 7 6 5 4 3 2 1 0
Non-
actauted
, inputs
X1 and
X2
enabled
On Off Off 0 V 0 0 0 1 0 0 0 0
Actuated
, safety
outputs
enabled
Off Off On 24 V 0 0 0 1 0 0 1 1
Actuated
in limit
area
Off Off Flashes
(1Hz)
24 V 0 0 1 1 0 0 1 1
Actuated
,
warning
Off On/flash
es
Off 24 V 0 1 0 1 0 0 1 1
Actuated
, fault
Off On/flash
es
Off 0 V 1 1 0 1 0 0 1 0
The shown bit order of the diagnostic byte is an example. A different combination of the operational conditions will lead to a change of the bit
order.
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