Unipulse DeviceNet F381A, Operation Manual

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WARNING
II
WARNING
II
WARNING
●
For the entire system to function safely when the F381A becomes faulty or malfunctions,
provide a safety circuit outside the F381A.
●
Do not modify the F381A. Doing so may cause fire or electric shocks.
●
Do not install in the following environments.
- Places containing corrosive gas or flammable gas.
- Where the product may be splashed with water, oil or chemicals.
● Do not connect a commercial power source directly to the signal input/output terminals.
●
Be sure to ground the protective ground terminal.
● Before performing the following, make sure that no power is applied.
- Attachment/detachment of connectors of options, etc.
- Wiring/connection of cables to the power input terminals.
- Wiring/connection of cables to the signal input/output terminals.
- Connection to the ground terminal.
●
For connection to the signal input/output terminals, check the signal names and pin
assignment numbers, and then carry out wiring properly.
●
Be sure to install the attached terminal block cover after wiring to the power input terminals.
Otherwise, electric shocks may result.
●
Before applying power, carefully check the wiring, etc.
●
Use at a proper power supply voltage.
●
Do not damage the power cord. Doing so may cause fire or electric shocks.
●
Do not touch any signal input/output terminal while applying power. Doing so may cause
electric shocks or malfunctions.
●
If the cover of the main body is opened, it may cause an electric shock internally. Even if the
power is off, the internal capacitor is charged. Contact us for internal inspection or repair.
●
In the case of smoke, an abnormal smell or strange sound, immediately turn off the power,
and disconnect the power cable.
This sign forewarns the presence of hazards
that could result in serious injury or fatality
when incorrectly handled.
Warning on design
Warning on installation
Warning on wiring
Warning during startup and maintenance