IDEC SE1L, Руководство пользователя

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13
SE1L
Safety Laser Scanner
Calculating Safety Distance
To use the SE1L as a safety equipment, take into
consideration the guidelines mentioned below.
1) The hazard must be identified before performing a risk
assessment.
2) Do not use the SE1L for finger protection.
3) Use under an operating environment within the
specifications of the SE1L.
4) The safety distance must be determined in accordance
to ISO 13855 and IEC 61496-3.
x
Using sensors that exceed specifications may
lead to critical injury or death.
Hazardous Area Protection (Stationary)
In this application, the SE1L is horizontally installed to
protect the hazardous area. The protection zone is set
around the hazardous area to prevent humans or objects
from entering the hazardous area. Warning zones 1
and 2 are configured to surround the protection zone.
The warning zones prevent the machine from stopping
unnecessarily and can be used as a warning to humans or
objects that approach the protection zone. By detecting
humans or objects in the protection zone, the OSSD signal
switches from ON to OFF. Also, when humans or objects
are detected in the warning zone, the warning zone output
(WARNING signal) switches from ON to OFF.
Application example
Safety distance (upper view)
Unprotected
area
S
Hazardous area
Protection zone
S
Zs
Zs
a
Zs
S
S
Safety distance (side view)
H
a
Machine
Unprotected
area
Response Time
The response time for the OSSD signal can be configured
by the SLS Configurator. The response time for WARNING
1, 2 is the same as the response time for OSSD. The
stability of the SE1L can be increased by setting a long
response time, but a long safety distance is required. (See
Calculating the Safety Distance on page 13 to 15.) Before
setting the response time, the user must perform a risk
assessment. The configurable response time is shown in
the table below. Be sure to add the time taken to switch
areas (30 ms)
SE1L Response Time
Response Time (ms)
ON
→
OFF 60 90 120 180 210 240 270
OFF
→
ON 270
Response Time (ms)
ON
→
OFF 300 330 360 390 420 450 480 510
OFF
→
ON 300 330 360 390 420 450 480 510
Other Outputs
SE1L has 3 non-safety outputs such as WARNING1,
WARNING2/ERR/MUT_OUT, and READY/RES_REQ.
WARNING2/ERR/MUT_OUT (WARNING2 at default) and
READY/RES_REQ (READY at default) use the same
output terminal and can be configured using the SLS
Configurator.
Warning Output (WARNING1)
This signal turns OFF when an object is detected in
protection area 1.
Warning Output (WARNING 2)
This signal turns OFF when an object is detected in
protection area 2.
Error Output (ERR)
ERR output shows the operating status of the SE1L. This
signal turns OFF when an error is detected by the self-
diagnosis function of the SE1L.
Muting Output (MUT_OUT)
MUT_OUT indicates the MUTING/OVERRIDE status of the
SE1L. When muting is activated, MUT_OUT turns ON. In
a muting status, the 7-segment display shows “18”. In an
override status, the display shows “19”. Use this signal to
indicate whether the SE1L is in a muting status.
Ready Output (READY)
This signal turns ON when the SE1L is ready for operation.
Reset Request (RES_REQ)
This signal turns ON when the SE1L is ready to receive the
reset signal.
(14/04/28)