Cleaning; Precautions When Replace The Nsj Controller Or Units - Omron NSJ CONTROLLERS - 03-2008 Operation Manual

Inspections and Cleaning

11-2-2 Cleaning

Note

11-2-3 Precautions when Replace the NSJ Controller or Units

Note
202
Clean and inspect the Display Section periodically to maintain it in optimum
condition for use. The screen visibility will be impaired if the display becomes
dirty. Clean the display periodically using the following methods:
• For daily cleaning, wipe with a soft, dry cloth. Attempting to remove heavy
dirt with the dry cloth may scratch the front panel sheet. Use a damp cloth
first to remove dirt and then wipe the surface again with the dry cloth.
• If dirt cannot be removed using a dry cloth, dampen the cloth sufficiently
with a neutral cleaning agent solution (approximately 2%), squeeze the
cloth out, and then wipe the surface.
• Materials such as rubber, vinyl, or tape that are attached to the Unit will
leave stains if left for a long time. If such material is attached to the Unit,
remove when cleaning.
Never use benzene, thinner, or other volatile solvents, or chemical cloths to
clean the NSJ Controller.
Always observe the following precautions when faults are detected during
inspection and the NSJ Controller or Units are to be replaced.
• Always turn OFF the power to the NSJ Controller or Expansion Rack
before replacing the NSJ Controller or CJ-series Units.
• After replacing the NSJ Controller or a CJ-series Unit, check to confirm
that the new NSJ Controller or CJ-series Unit has no faults.
• When returning a faulty NSJ Controller or CJ-series Unit for repair,
include a document that provides as many details on the fault as possible,
and send to your OMRON representative.
• If there is a poor contact, use industrial-grade alcohol soaked into a cotton
cloth and then remove any threads before mounting the NSJ Controller or
CJ-series Unit.
(1) When replacing the NSJ Controller, start operation with the new NSJ
Controller only have loading or setting the user program, data memory,
Holding Area data, and all other data required for operation. Unexpected
operation may occur if the data memory, Holding Area data, or other data,
and the program are not correct in relation to each other.
(2) Routing tables, Controller Link Unit data link tables, network parameters,
and other settings for CPU Bus Units are stored in the Parameter Area of
the NSJ Controller. Be sure to transfer to set this data when replacing the
NSJ Controller.
(3) When replacing a CPU Bus Unit or Special I/O Unit, refer to the operation
manual for the Unit and make all required settings.
(4) Always keep a backup of the project data for the Display Section. This is
particularly important when requesting repairs from OMRON, during
which the project data may be deleted.
(5) If the simple backup operation is used, backup files of all programs and
parameters for the NSJ Controller, DeviceNet Units, Serial Communica-
tions Units, and other Unit will be stored on the Memory Card. This back-
up data can be restored after replacing a Unit to simplify resetting Units
after replacement. For information on the Units that are backed up by the
simple backup operation, refer to Applicable Units and Boards under 5-2-
Section 11-2