Omron ns series Operation Manual page 13

switches consecutively without pausing in between. If touch switches are pressed
consecutively at high speed, the PT may not be able to detect the inputs. Confirm that
the PT has detected the input of a touch switch before pressing any other touch
switch.
•
Do not accidentally press touch switches when the backlight is not lit or when the
display does not appear. Confirm the safety of the system before pressing touch
switches.
•
To ensure safety when using numeral input functions, set the upper and lower limits
for the input value.
•
Before initializing screen data, confirm that existing data is backed up at the
CX-Designer.
• When changing the password with the system menu, do not reset or turn OFF the
power supply until writing is finished.
•
When using the device monitor or the Ladder Monitor, confirm the safety of the system
before performing the following operations.
• Changing monitor data
• Changing operation modes
•
Forced setting or resetting
•
Changing present values or set values
If unspecified persons may start the Ladder Monitor, use a password to prevent
incorrect operation. Refer to 3-14 Using a Password for details on the password
function.
•
Dispose of any battery that has been dropped on the floor or otherwise subjected to
excessive shock.
•
Do not connect an USB connector to any device that is not applicable.
• Before connecting an USB connector to a device, make sure that the device is free of
damage.
•
Commercially available USB hubs and the recommended USB hub do not necessarily
have the same general specifications as the PT, and may not function properly if used
in environments subject to static electricity or other forms of noise. When using a USB
hub, take sufficient measures to prevent static electricity and other forms of noise, or
do not install the PT in an environment subject to such noise.
•
Do not perform the following operations while downloading or uploading screen data
or system program. Doing so may corrupt the screen data or system program.
•
Turning OFF the power supply to the PT
• Pressing the PT's reset switch
• When mounting the Battery, be sure to use the correct Battery and mount it correctly.
•
Do not disassemble or short-circuit the battery.
•
Dispose of the Units and batteries according to local ordinances as they apply.
•
Never use volatile solvents, such as benzene or thinners, or chemical dusters to clean
the PT.
• The backlight in the NS-series PT contains mercury. Do not dispose of the PT
together with waste to be processed at disposal plants. Dispose of the PT according to
all local laws, regulations, and ordinances.
•
The backlight in the PT cannot be replaced by the user. Contact your OMRON
representative for backlight replacement.
• Periodically check the installation conditions in applications where the PT is subject to
contact with oil or water.
Precautions for Safe Use
11