Through-beam Sensor Heads: FUN Mode Functions Section 3-8
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3-8-7 Two-sensor Operation
Two-sensor operation enables mutual operation using the measured val-
ues from the two Sensor Heads to generate final outputs. Two kinds of out-
puts, A−B or A+B, can then be selected.
Note: The ranges of display values and linear output values are automatically
doubled when two-sensor operation is used. An example application of
Sensor Heads is given in the following table when the width is 5 mm.
Note: Correct distance operation cannot be performed if Sensor Heads with dif-
ferent sensing distances are used.
When two-sensor operation is selected, any scaling that is set for
each Sensor Head will be reset to the default. When scaling is
required during two-sensor operation, perform scaling after
enabling two-sensor operation.
POINT
When setting the Amplifier Units, set the 1CH Amplifier Unit to
RUN, then perform the settings for the 2CH Amplifier Unit.
Linear output 4 to 20 mA
A − B −5 to 5
A + B 0 to 10
POINT
Z157-E1-01C.book Page 99 Thursday, August 31, 2006 5:13 PM
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