Unipulse F805AT-CK Operation Manual page 3

Safety Precautions
WARNING
Warning on design
● For the entire system to function safely when the F805AT-CK becomes faulty or
malfunctions, provide a safety circuit outside the F805AT-CK.
● Before using the F805AT-CK as described below, make sure to consult with our sales
personnel.
- Use in environments not described in the operation manual.
- Use greatly impacting human lives and assets, such as medical devices, transport devices
entertainment devices, and safety devices.
Warning on installation
● Do not disassemble, repair, or modify the F805AT-CK. Doing so may cause a fire or an
electric shock.
● 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.
Warning on wiring
● 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.
● The connection to the RS-485 terminal block must use the crimp contacts.
Do not connect it the open-wire line.
● After wiring, be sure to mount the attached terminal block cover. Otherwise, it may cause an
electric shock. (at the DC spec.)
● To take measures against lightning surge, install a lightning surge protector (optionally
available).
● Do not connect anything to unused terminal(s).
● Before applying power, carefully check the wiring, etc.
II
This sign forewarns the presence of hazards
that could result in serious injury or fatality
when incorrectly handled.