Chapter 3 Installation and Operation
Operating Manual for Communicating Area Sensor
3-7
5
Scan /
diagnosis
mode
1. Sequentially FB diagnosis, Voltage diagnosis and light beam diagnosis. The
scan times is three times Measurement Mode. The output is diagnosis result,
not only the shading/non-shading
2. When FB diagnosis, Voltage diagnosis are pass, and non-shading state, the
output is ON and Green Light is on.
3. When FB diagnosis, Voltage diagnosis are pass, and shading state, the output
is ON and Red Light is flash per second.
4. When FB diagnosis or Voltage diagnosis is fail, Stop Mode will starts And
Output in off state. The failure issue should be removed then function
normally.
5.
When output is over current, the output turn into off state. In non-shading,
Green LED and Red LED are on. In shading, Green LED and Red LED are
flash per second.
Precaution: When switching operation mode, please remove OUTPUT from the
host for preventing malfunction
◎
Description of indicator display and output status
Operation
mode
Status description
Output
status
Alignment
indicator
Operation indicator
*Indicates
Flashing
state
Blue light
Orange
light
Green
light *
Red
light *
0 Stop
Abnormality diagnosed or stop
OFF
V
Fixed
1 ON/OFF
(Default)
Full non-shading
ON
V
V
Fixed
Full non-shading (power
saving)
ON
V
Full non-shading (over-
current)
OFF
V
V
V
Shading
OFF
O
V
Abnormal number of beams
OFF
V
V
2
Measurement
Full non-shading
ON
V
V
Once per
second
Full non-shading (power
saving)
ON
V
Full non-shading (over-
current)
OFF
V
V
V
Shading
OFF
O
V
2
Measurement
(Active
upload)
Full non-shading
ON
V
V
Once every
two scans
Shading
OFF
O
V
3
Feedback
diagnosis
Normal
OFF
V
Three
times every
two
seconds
Abnormal
OFF
V
4
Voltage
diagnosis
Normal
OFF
V
Four times
every two
seconds
Abnormal
OFF
V
5
Scan and
diagnosis
Full non-shading
ON
V
V
Fixed
Full non-shading (over-
current)
OFF
V
V
V
Shading
ON
O
V
Once per
