WARNING
● For the entire system to function safely when the F320 becomes faulty or malfunctions,
provide a safety circuit outside the F320.
● Do not modify the F320. 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.
● The attached AC cable is designed for domestic use in Japan, and its rating is 125V
AC, 7A. For use at voltages exceeding the rating and for overseas use, have a
separate AC cable prepared.
● Before performing the following, make sure that no power is applied.
- Attachment/detachment of connectors of options, etc.
- 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.
● After wiring, be sure to mount the attached terminal block cover. Otherwise, it may
cause an electric shock.
● To take measures against lightning surge, install a lightning surge protector (optionally
available).
● Before applying power, carefully check the wiring, etc.
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