3．Connection - Unipulse F320 Operation Manual

3.CONNECTION
3. CONNECTION
Precautions about connection to the signal input/output terminal block are given
below.The precautions described here are important for safety.
Please properly understand the descriptions before connection.
• Do not connect a commercial power source directly to the signal input/output terminals.
• Connect to the signal input/output terminals with no power applied because it may
cause an electric shock.
• For connection to the signal input/output terminals, check the signal names and pin
assignment numbers, and then carry out wiring properly.
• The overvoltage applied to the signal input/output terminals should not exceed the value
defined in category II.
• After wiring, be sure to mount the attached terminal block cover. Otherwise, it may
cause an electric shock.
• Before applying power, carefully check the wiring, etc.
• Do not touch any signal input/output terminal while applying power. Doing so may cause
electric shocks or malfunctions.
• Tighten the terminal screws at the specified torque.
If they are loose, shorts, fire or malfunctions may occur.
Tightening torque: 0.2 to 0.6N • m
• Use shielded cables.
9
WARNING
CAUTION