![background image](http://html1.mh-extra.com/html/panasonic/sf4b-v2-series/sf4b-v2-series_instruction-manual_3865159015.webp)
14
© Panasonic Industriar Devices SUNX Co., Ltd. 2012 ME-SF4BV2-05
2-3-2 Safety Distance
Calculate the safety distance correctly, and always maintain the distance which
is equal to or greater than the safety distance, between the sensing area of this
device and the dangerous parts of the machine. If the safety distance is miscal-
"z" _G ]
before reaching to the dangerous parts, which can result in death or serious injury.
The safety distance is the minimum distance that must be maintained between the device and
the dangerous parts of the machine so that the machine can be stopped before a human body
or an object can reach the dangerous parts.
The safety distance is calculated based on the equation described in the next page when a per-
son moves perpendicular (normal intrusion) to the sensing area of the device.
Before designing the system, refer to the relevant standards of the region where
this device is to be used, and then install this device.
Furthermore, the equation described in the next pages is to be used only in case
the intrusion direction is perpendicular to the sensing area. In case the intrusion
direction is not perpendicular to the sensing area, be sure to refer to the relevant
{; z G " z ^
calculation.
The max. response time of the machine is from the point that the machine re-
ceives the halt signal from this device to the point that the dangerous parts of the
machine stops. The max. response time of the machine should be timed with the
machine to be actually used.
The size of the minimum sensing object for this device varies depending on the
_&;; GG! ]
distance with the proper size of the minimum sensing object and appropriate
equation.
#$%&'*+::;=%?%&;%$
Floating blanking function
Invalid
Setting (Note)
1 beam
channel
2 beam
channels
3 beam
channels
SF4B-F
<V2>
(10mm-beam channel pitch type)
ø14mm
ø24mm
ø34mm
ø44mm
SF4B-H
<V2>
(20mm-beam channel pitch type)
ø25mm
ø45mm
ø65mm
ø85mm
SF4B-A
<V2>
(40mm-beam channel pitch type)
ø45mm
ø85mm
ø125mm
ø165mm
`'
3-9 Functions Using Handy Controller (SFB-HC) (Optional)
” for details of
&;;
Safety distance S
Sensing area
Intrusion direction
Dangerous
part