SMC Networks PFCA7 Series User Manual

-68-
No.PF※※-OMA1002
Problem
Possible cause
Investigation method
Countermeasures
Analogue/switch
output does not output
Analogue/switch
output is unstable
Incorrect wiring
Check the output wiring.
Check if the analogue output is
connected to the white wire, the
switch output (in SIO mode) is
connected to the black wire, and
that the wire is not loose.
Check and correct the wiring.
Entry of foreign matter
Check for foreign matter entry or
sticking to the piping port.
Use a filter to prevent foreign
matter from entering or sticking.
Discharge the condensate of
the filter periodically.
Incorrect NPN or PNP
specification
Check the output switch setting for
the switch output NPN or PNP.
Select the switch output
according to the operating
conditions.
Lead wire is broken
Replace the lead wire.
The product failed
Replace the product.
Analogue input not
accepted
Analogue input is
incorrect
Incorrect wiring
Check the output wiring.
Check if the analogue input is
connected to the grey wire or that
the wiring is not loose.
Check and correct the wiring.
Contact resistance
(for analogue voltage
input type)
Check to see if there is any
defective contact.
Connect the wire without
defective contact.
Lead wire is broken
Replace the lead wire.
Wire is broken inside
the product
Replace the product.
Buttons do not work
Key-lock mode is
activated
Check if the key-lock function is
turned on.
Deactivate key-lock mode.
(Page 51)
Button failure
Replace the product.
The units cannot be
selected
Model selection
(model selected does
not have units
selection function)
Check that the product No. printed
on the product is equipped with
units selection function.
Units selection function is not
available for models which are
fixed to SI units.
: The units selection function is not
for use in Japan due to a new
measurement law.
: Fixed SI unit: L/min
The mode does not
shift to IO-Link mode
while using IO-Link
communication
IO-Link enable/disable
setting is set to
Disable
Check the IO-Link enable/disable
setting.
Set the IO-Link enable/disable
setting to Enable.
The mode shifts to
IO-Link mode when
not using IO-Link
communication
Erroneous detection
due to noise
Check the possible application of
noise or if there is a noise source.
Remove the noise and noise
source.
Set the IO-Link enable/disable
setting to Disable.
2023-12-20 14:49
DL145266

SMC Networks PFCA7 Series Specifications

General

Brand	SMC Networks
Model	PFCA7 Series
Category	Controller
Language	English