Chapter 7 Maintenance
7-8
7-4
Inspection
7-4-1
Daily inspection
The following items should be checked on a daily basis.
Item
Details of inspection
Criteria
Treatment
Installing the system
Loose mounting screw
Loosening of fixing bracket
Is it securely mounted?
Retighten screws
Installation
of
I/O
modules, etc.
Status of the module fixing
mechanism
Is it locked?
Lock after proper connection
Terminal connection
Looseness of terminal screw
Is it securely secured?
Tightening
Loose terminal block
Is the terminal block securely
stuck?
Insert the terminal block
securely
CPU operation status/
Self-diagnosis display
PWR LED
Is the lamp lit?
Handle
according
to
troubleshooting
RUN LED
Is the lamp lit?
ERR LED
Is the lamp turned off?
Connecting cable
Connection cable disconnection
Check that the connection
cable is inserted correctly.
Securely
insert
the
connection cable
7-4-2
Periodic inspection
The following items should be checked approximately once every six months to one year.
Item
Details of inspection
Criteria
Treatment
Surrounding
environment
Temperature
Measurement by thermometer
0
~
55
℃
Take measures to ensure
that the specifications are
met.
Humidity
Hygrometer measurements
30
~
95%
Atmosphere
Gas sensor measurement
Do not detect corrosive or
flammable gases.
Power-supply
voltage
AC
Measurement by tester
AC85
~
264 V
Changing the power supply
system
DC
DC20
~
28 V
Mounting
Loose mounting screw
Is it securely mounted?
Retighten screws
Garbage and foreign matter
Visually check for dust or
foreign matter.
No dust or foreign matter
Remove
Terminal connection
Looseness of terminal screw
Is it securely secured?
Retighten screws
Disconnection of terminal
block
The terminal block must be
securely stuck.
Insert the terminal block
securely
Cell
Measurement by tester
Is it more than 2.5 V?
Battery replacement
Connecting cable
Deterioration
of
the
connection cable
Do not see core wires such
as cut or peeling.
Replace the cable when the
core wire is visible.
Damage due to collapse,
pinching, etc.
When
the
shape
or
appearance of the electric
wire indicates that the
clothing has been extended
beyond the core wire or that
the cross-sectional area has
become thinner than the
core wire.
Replacement of cable
Summary of Contents for Kostac SJ-Ether Series
Page 1: ...English version of the KOSTAC SJ Ether series user s manual SJ ETHER USER M...
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Page 113: ...3 24 Note Refer to 6 3 3 Module Assembly for connections and locks between modules...
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Page 156: ...flashing OFF Not sent H W RX Green flashing Receiving H W OFF Not received H W...
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