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Protective Field Size
The protective field must be configured so the minimum distance (S) to the
hazardous area is maintained. This safety distance helps ensure that the
hazardous point can only be reached after the dangerous state of the machine
has been stopped completely.
IMPORTANT You can operate the SafeZone Mini device in stationary horizontal operation
with 30, 40, 50, or 70 mm (1.2, 1.6, 2.0, or 2.8 in.) resolution. The resolution
gives the maximum protective field range for the SafeZone Mini device.
ATTENTION: Verify that a human leg can be detected with 70 mm (2.8 in.)
resolution.
As per EN ISO 13855, mount the scan planes for horizontal stationary
applications with 70 mm (2.8 in.) resolution at least 300 mm (11.8 in.) above
the floor (see
Figure 15 - Minimum Distance S
K x (1
+ 1
Dangerous state
M
s
S
The minimum distance S
• Approach speed of the body or parts of the body
• Stopping/run-down time of the machine or system
(The stopping/run-down time is shown in the machine documentation
or must be determined by taking a measurement.)
• Response time of the SafeZone Mini device
• Supplements for general measurement errors and any measurement
errors that are related to reflection
• Supplement for prevention of reaching over
• Height of the scan plane
• Possibly the time for switching between the monitoring cases
Rockwell Automation Publication 442L-UM005B-EN-P - April 2017
Height of Scan Plane on page
2
+ 2
+ O
)
G
R
(Figure
15) depends on the following:
Mounting
Chapter 4
52).
41
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