KEYENCE LK-G Series - Manual (Page 188)

A-4 LK-G-M-NOA-E
Analog output cannot
be outputted properly. Is the unit properly wired? Check the wiring and connect properly.
Does the voltage exceed + 10.8
V or lower -10.8V? Set the analog scaling properly
according to the measurement value.
( page 3-43)
Is an oscilloscope or a high-
speed A/D board used? The resolution may decrease if these
devices are used. Change the analog
scaling so that the effect should be
minimized.
Binary output cannot be
outputted properly. Is the unit properly wired? Check the output circuit and wiring, and
connect properly.
Is the logic properly set? Negative logic is used in output.
Is the import timing properly
set? Use strobe output to enable importing in
a proper timing.
( page 4-15)
Is the OUT1/OUT2 SEL input
inputted properly? Input it correctly.
( page 4-6)
Cannot communicate
via the RS-232C. Is the communication cable
properly connected? Connect the communication cable
properly. ( page 5-2)
Does the type of the
communication cable conform
to the specifications? Check the connection of the
communication cable.
( page 5-2)
Are the communication
specifications properly set? Set the communication specifications of
the LK-G Series as those of the external
devices.
( page 5-2)
Is the appropriate
communication program used? Check whether the command and the
delimiter is properly sent or received.
(page 5-5 )
Is the setting properly set
according to the communication
method or external devices? Set the auto transmission properly.
( page 3-49)
The operation key does
not work. Is the display panel properly
connected? Connect the display panel properly.
( page 1-16)
Is keylock set to ON? Set the keylock to OFF.
( page 3-53)
Symptom Checking content Remedy
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