6 Maintenance and Replacement
6 - 2
CJ-series EtherCAT Slave Units Operation Manual (W541)
6-1 Cleaning and Inspection
This section describes the routine cleaning and inspection recommended as regular maintenance.
Clean the EtherCAT Slave Units regularly as described below in order to keep the network in its optimal
operating condition.
• Wipe the Unit daily with a dry, soft cloth.
• When a spot can't be removed with a dry cloth, dampen the cloth with a neutral cleanser (2% solu-
tion), wring out the cloth, and wipe the Unit.
• A smudge may remain on the Unit from gum, vinyl, or tape that was left on for a long time. Remove
the smudge when cleaning.
Precautions for Correct Use
Never use volatile solvents such as paint thinner, benzene, or chemical wipes. These sub-
stances could damage the surface of the Unit.
Be sure to inspect the system periodically to keep it in its optimal operating condition. In general,
inspect the system once every 6 to 12 months, but inspect more frequently if the system is used with
high temperature or humidity or under dirty/dusty conditions.
Prepare the following equipment before inspecting the system.
Required Equipment
Have a standard and Phillips-head screwdriver, multimeter, alcohol and a clean cloth.
Equipment Required Occasionally
Depending on the system conditions, a synchroscope, oscilloscope, thermometer, or hygrometer (to
measure humidity) might be needed.
Check the items in the following table and correct any items that are below standard.
6-1-1 Cleaning
6-1-2 Inspection
Inspection Equipment
Inspection Procedure
Item Standard Equipment
Environmental
conditions
Ambient and cabinet temperature 0°C to 55°C Thermometer
Ambient and cabinet humidity 10% to 90%
(with no con-
densation or
icing)
Hygrometer
Dust/dirt accumulation None Check visually
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