Daily Inspection And Periodic Inspection - Omron 3G3RX User Manual

6-1 Inspection and Maintenance
Daily Inspection and Periodic Inspection
Inspection Inspection
part item
Ambient
environment
General
Entire device
Power
6
supply
voltage
Main
General
circuit
*1. The life of the smoothing capacitor depends on ambient temperature.
Refer to "Appendix-2 Product Life Curve" for the replacement reference.
*2. The life of the cooling fan varies depending on the environmental conditions, such as ambient temperature
and/or dust. Check the operation through daily inspections.
*3. The replacement reference (year/cycle) or "
life, which is not guaranteed.
6-3
Inspection period
Inspection point Periodic
Daily
1 year 2 years
Check ambient
temperature, as

well as humidity
and dust levels.
Check that there
are no abnormal

vibrations or
sounds.
Check that the

main circuit
voltage is normal.
Megger check
(between main

circuit terminal
and ground
terminal)
Appendix-2 Product Life Curve
Inspection method Criteria
Ambient
temperature
10C to 50C,
Refer to "2-1 no freezing.
Installation". Ambient
humidity 90%
max., no
condensation.
Visual or acoustic
No faults
inspection
Measure the voltage Must be within
between Inverter allowable
main circuit terminals fluctuation of
R/L1, S/L2, and T/L3. AC voltage.
Disconnect the I/O
wirings of the Inverter
main circuit terminal
block, detach the
control terminal block
board, and remove
the short-circuit bar
used for switching the
Inverter built-in filter
function. Then, use a 5 M min.
megger to measure
the resistance
between the ground
terminal and the
short-circuited parts
of terminals R/L1, S/
L2, T/L3, U/T1, V/T2,
W/T3, P/+, PD/+1,
N/-, RB, Ro, and To.
" is based on the expected design
Meter
Thermomet
-er
Hygrometer
Recorder
Tester,
digital
multimeter
500 V DC
megger