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MANUAL
This manual is prepared for all personnel who use CD101/CD401/CD501/CD701/CD901. However,
it is desirable that they have a fundamental knowledge of electrical engineering, process control and
communication.
! WARNING
WIRING PRECAUTIONS
• If failure or error of this instrument could result in a critical accident of the system,
install an external protection circuit to prevent such an accident.
• In order to prevent instrument damage or failure, protect the power line and the
input/output lines from high currents by using fuses with appropriate ratings.
POWER SUPPLY
• In order to prevent instrument damage or failure, supply power of the specified
rating.
• In order to prevent electric shock or instrument failure, do not turn on the power
supply until all of the wiring is completed.
INSTALLATION ENVIRONMENT
• In order to prevent fire, explosion or instrument damage, never use this instrument
at a location where flammable or explosive gases or vapor exist.
• This is a Class A instrument. In a domestic environment this instrument may cause
radio interference, in which case the user is required to take adequate measures.
NEVER TOUCH THE INSIDE OF THE INSTRUMENT
In order to prevent electric shock or burns, never touch the inside of the instrument.
Only RKC service engineers can touch the inside of the instrument to check the circuit
or to replace parts. High voltage and high temperature sections inside the instrument
are extremely dangerous.
NEVER MODIFY THE INSTRUMENT.
In order to prevent accident or instrument failure, never modify the instrument.
MAINTENANCE