SMC Networks LECSN-T Series User Manual

8. TROUBLESHOOTING
8 - 47
79.5
Input device
error
(1)
A signal of input device
is not inputted
correctly.
Check if the input
device cable is wired
correctly.
It has a failure.
Review the wiring.
It has no failure.
Check (2).
(2)
The input device setting
parameter is not set
correctly.
Check if the
parameter is
set correctly.
It is not set
correctly.
Review the parameter.
It is set correctly.
Check (3).
(3)
The test pulse time was
not set correctly.
Check the setting of
[Pr.PSD26 Input
device -Test pulse off
time].
The test pulse width
is longer than the
set value.
Set the value longer.
The test pulse width
is shorter than the
set value.
Check (4).
(4)
The functional safety
unit is malfunctioning.
Replace the
functional
safety unit, and then
check the
repeatability.
It is not repeatable.
Replace the functional
safety unit.
It is repeatable
Check (5).
(5)
Something near the
device caused it.
Check the noise,
ambient
temperature, etc.
There is a problem
in the surrounding.
Take countermeasures
against its cause.
79.6
Output device
error
(1)
A signal of an output
device has not been
outputted correctly.
Check if the output
device cable is wired
correctly. Or check if
the load of the output
device is within the
specifications.
It has a failure.
Review the wiring or load.
It has no failure.
Check (2).
(2)
The test pulse time was
not set correctly.
Check the setting of
[Pr.PSD30 Output
device -Test pulse off
time].
The test pulse width
is longer than the
set value.
Set the value longer.
The test pulse width
is shorter than the
set value.
Check (3).
(3)
Current of the output
device is excessive.
Check if the current is
used within
prescribed
Not within
prescribed.
Reduce the output
current.
Within prescribed.
Check (4).
(4)
The functional safety
unit is malfunctioning.
Replace the functional
safety unit, and then
check the
repeatability.
It is not repeatable.
Replace the functional
safety unit.
It is repeatable.
Check (5).
(5)
Something near the
device caused it.
Check the noise,
ambient
temperature, etc.
There is a problem in
the surrounding.
Take countermeasures
against its cause.

SMC Networks LECSN-T Series Specifications

General

Brand	SMC Networks
Model	LECSN-T Series
Category	Controller
Language	English