Cautions for safe use
Observe the following cautions for using this unit safely.
①
Panel mount type
This unit is designed to be mounted on an indoor instrumentation panel. For using this unit, mount it on the
panel without fail. Take an electric shock preventive measure so that the user cannot directly touch any
power supply or input/output terminals.
②
Portable type
Mount an electric shock preventive cover to the terminal block.
For terminating wires to the terminals, use insulation sleeve
crimp style terminals. For power terminals and protective
grounding terminal, use O-type insulation sleeves.
Mount a switch conforming to the rated power supply of this
unit and an over-current protective device to the power
supply of this unit at an easy-to-access position within 3m.
Take a safety measure on the final product side as occasion demands when a control output or an alarm
output is provided, otherwise an output failure of this unit may occur due to wrong operation, troubles, an
abnormal sensor, or other failures.
This symbol mark indicates a position where an electric shock accident may occur. Particularly be careful
not to receive any electric shock during connections, check, and maintenance work.
This symbol shows a protective grounding terminal. Connect the instrument being indicated by this mark to
the protective ground of the power supply equipment before starting its operation.
Warnings
Power voltage and
protective grounding check
Check if connections are correct, the power voltage conforms to the specified voltage, and also the
protective grounding is done without fail before feeding the power supply.
Don’t put your hand into
the case
Don’t put your hand into the internal unit (rack) or case, except for the positions where are
necessary for operating the unit, otherwise you may receive an electric shock or you may be
injured.
Stop feeding the power
supply if an abnormal
symptom occurs
If abnormal odor, abnormal noises, smoke, or other abnormal symptoms occur or if the unit is too
hot to touch it by hand, these symptoms show a dangerous condition. Turn off the feed power
supply at once, and contact your nearest branch or sales office or the sales agent from which you
have bought your unit.
Repair and modifications
If repair or modifications are necessary, please contact your nearest branch or sales office or the
sales agent from which you have bought your unit.
<Caution>
Don’t repair the unit by replacing its parts or modify it by any person other than a service
engineer approved by our company.
Use according to the
instruction manual
For using this unit correctly and safely, use it according to this instruction manual.
You are requested to understand that we are not responsible for any injures, damage, loss of
profits or any other claims that were caused by wrong uses.
1. Mounting place and terminal cover
2. Termination of wire connections
3. Mounting of a breaker to the feed power supply
4. A safety measure to the output
5. Symbol marks employed in this unit
Type O
Type Y
Insulation sleeve
Insulation sleeve
Within 3m
This unit
An over-current
protective device
Feed
power
supply
Switch
