IAI R-unit RSEL, Instruction Manual, Page: 737 / 844

Chapter 12 Maintenance and Inspection
12.2 Periodic Inspection Items
12-3
ME0392-4C
No. Inspection
items
Inspection details Judgment criteria Countermeasures
4 Connection
status
Wiring connectors
loose? (motor/encoder
cable, field network
cable, stop circuit, etc.)
No looseness Insert until the lock engages.
Wiring cable frayed?
No visual
abnormalities
Check visually and replace the
cable.
5 Absolute
battery
Simple absolute unit's
absolute battery (AB-7)
beyond expiry date or
lifespan?
The expiry date is
3 years and should
not exceed the
date written on a
sticker adhered to
the battery body
Even if the absolute battery is free
of errors, replace it if the expiry
date has passed.
Refer to “ Chapter 8 Home Return /
Absolute Reset” for how to make
replacement.
6
Preventive/
predictive
maintenance
function
Preventive/predictive
maintenance alarms
generated?
No alarm
generated
Refer to “9.3 Preventive
Maintenance Function” and “9.4
Predictive Maintenance Function”
for countermeasures.
12.3 Replacing Units
ME0392-4C
12-4
12.3 Replacing Units
Pay attention to the following precautions when replacing units after discovering a fault during
inspection.
• Unit replacement should be conducted with the power off.
• After replacement, check that the new unit does not have any errors.
• If returning a faulty unit for repairs, write out the nature of the error in as much detail as
possible and attach it to the product.
• Be sure to back up position data, parameters and PLC data just in case something goes
wrong.