Functions
© Panasonic Industrial Devices SUNX Co., Ltd. 2017
119
3-11-2 Floating Blanking Function
WARNING
● When the floating blanking function is used, the minimum sensing object becomes larger, and
the safe distance also becomes longer. Recalculate the safe distance and install the device ac-
cordingly.
●
When the minimum number of beam axes is zero, use the interlock function as required by IEC
62046. When the minimum number of beam axes is zero, the control output (OSSD 1 / 2) turns
ON even there are no obstacles in the sensing area.
This floating function prevents the control output (OSSD 1 / 2) from turning OFF when the num
-
ber of blocked beam axes is equal to or less than the set number of beam axes. Use the func-
tion when there is a moving obstacle in the sensing area.
Item
Description
Settings / ranges
Factory default
setting
Floating blanking beam
axis setting
You can change the beam axis
that is invalid.
Zero beam axes (floating blank
-
ing function invalid)
0 beam axes
(Invalid)
Any number of beam axes (1 or
more)
Floating blanking num-
ber of beam axes set-
ting
You can change the number of
beam axes that are invalid.
Any number of beam axes
•
Maximum: 1 to 5 beam axes
•
Minimum: 0 to 5 beam axes
−
Floating blanking both
end beam axes setting
You can validate or invalidate
the floating blanking function for
both end beam axes.
Valid (Floating blanking function
can be set)
−
Invalid (Floating blanking func-
tion cannot be set)
Selections for the floating blanking number of beam axes setting are 0 to 5.
The condition for the control output (OSSD 1 / 2) turning OFF is when the number of blocked
beam axes is over the maximum number of beam axes, or is under the minimum number of
beam axes.
You can specify a valid area (number of valid beam axes number).
You can validate or invalidate the floating blanking function for both end beam axes.
You can have the control output (OSSD 1 / 2) turn ON only when a number of contiguous beam
axes within the set beam axes are blocked.
When the floating blanking function is used, the digital indicator remains OFF when there is a
blocking object in the sensing area, regardless of the intensity of light received.
The minimum sensing object varies depending on the number of set beam axes.
<Minimum sensing object>
Floating blanking function
Not set
Setting (maximum number of beam channels)
0 beam channels 1 beam channel 2 beam channels 3 beam channels 4 beam channels 5 beam channels
SF4D-F
□
ø14mm
ø24mm
ø34mm
ø44mm
ø54mm
ø64mm
SF4D-H
□
ø25mm
ø45mm
ø65mm
ø85mm
ø105mm
ø125mm
SF4D-A
□
ø45mm
ø85mm
ø125mm
ø165mm
ø205mm
ø245mm
Summary of Contents for SF4D-x-01 Series
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