DS4-2499D
- 13 -
Unit 1
Unit 2
Condition
Light intensity
received by
this unit
Light intensity
received by the
other unit
DL
output
ALM
output
Light intensity
received by
this unit
Normal
L1 or more
L1 or more
ON
ON
The same with
(1)
Insufficient light
intensity (cleaning or
beam adjustment
required)
CD only
CD or more
ON
OFF
The same with
(1)
Interrupted (cleaning or
beam adjustment
required)
Off
Off
OFF OFF Off
CD
or
more Off
OFF OFF CD
or
more
Affected by external
disturbance or reflected
light
L1
or
more Off
OFF OFF CD
or
more
Note: If the system is affected by an external disturbance or reflected light, different
values will be indicated by units 1 and 2 to represent the light intensity received
by unit 2.