KEYENCE SJ-F036 - Manual (Page 6)

6
3-2 About Display Function
Monitor Display Function
The monitor on the Operation panel allows you to confirm the following states by indication of LED.
■ Displaying charge monitor
Press or to select the ion
balance indicator to display the charge
monitor.
The LED lights up towards the + side or
the - side to indicate the charged level
of the target object.
The LED lit closer to the end (red)
indicates higher charged level.
When static elimination is completed,
the center LED of the monitor lights in
green.
■ Displaying ion level monitor
Press or to select the ion level
indicator to display the ion level monitor.
The amount of plus ions being emitted
is indicated on the + side; and the
amount of minus ions is indicated on
the - side.
The LED lit closer to the end (green)
indicates higher ion level. When ions
are emitted to the full, the LEDs on the
both ends light in green.
■ Displaying blow rate setting value monitor
Press or to select the blow
rate indicator to display the blow
rate setting value monitor.
The LED lit closer to the + side
indicates higher blow rate; and the
LED lit closer to the - side indicates
lower blow rate.
Charge monitor
Charged state and static eliminated state of
the target object
Ion level monitor Amount of ion emitted
Blow rate setting value
monitor
Blow rate setting value
Red Red Green Orange Orange Orange Orange
Ion balance indicator
Green Green Red Orange Green Green Orange
Ion level indicator
Green Green Green Green Green Green Green
Blow rate indicator
3-2 About Display Function
Alarm Output Display Function
■ Alarm output function
This function causes the LED indicator to blink in red and an alarm signal (control output [N.C.]) to be
output when internal circuits are damaged or abnormal discharging occurs.
The alarm output is activated even when static elimination is stopped (including forced stop status).
For details of the LED indicator display, refer to "Table of Indicated States" on page 9.
This alarm output stops static elimination.
■ Ion level alarm output function
This function causes the ion level alarm indicator to blink and an alarm signal (control output [N.O.]) to
output when the ion emission level has dropped below the setting value due to dirt or wear of the
electrode needles in the connection units.
This alarm output will not stop static elimination. Be sure to turn the power OFF
before starting maintenance on the electrode needles.
Once the alarm has been output, it will not automatically stop unless the power or
static elimination has been turned off.
indicators
Note
Ion level alarm indicator
Important
Note
3-2 About Display Function
■ Condition alarm output function
This function causes the condition alarm output indicator to blink and an alarm signal (control output
[N.O.]) to output when ions are being absorbed by surrounding metal objects or when static elimination
performance is influenced by the installation environment (temperature, humidity, surrounding metal
objects, etc.).
The display and output of condition alarm are automatically turned off when the
cause of the alarm condition is removed.
Condition alarm indicator
Note
4MAINTENANCE
4-1 About Maintenance
Maintenance must be performed periodically to ensure that the static elimination performance of the
SJ-F031/036 is fully demonstrated. For maintenance, be sure to thoroughly read the descriptions under
"Safety Precautions" (page 1), and pay attention to the following points.
About Maintenance
• The SJ-F031/036 uses high voltage. Before starting maintenance, be sure to
turn the power OFF. Failure to do so may result in electric shock or
malfunction.
• Do not directly touch the electrode needles.
Take care not to touch these needles even if
the power is turned OFF. Directly touching
these needles may cause personal injury.
When the SJ-F031/036 is used for a long period of time, the electrode needles become dirty due to the
adhesion of dust and dirt.
If the ion level alarm indicator blinks, clean the electrode needles. If the electrode needles are used in a
dirty or dusty state, the static elimination performance can no longer be fully demonstrated, resulting in
accidents or malfunction. We recommend periodically cleaning the electrode needles (as a guideline,
once every two weeks in a regular operating environment though this depends on the installation
conditions).
If cleaning the electrode needles does not improve the static elimination performance, or the ion level
alarm indicator frequently blinks, replace the Electrode Unit.
WARNING
START
/STOP BALANCE ION FAN
COND IONLEVEL