5
2 CONNECTION
5
CONNECTION
Chapter
2
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.
WARNING
- 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.
- 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
CAUTION
- Tighten the terminal screws at the specified torque.
If they are loose, shorts, fire or malfunctions may occur. (When D/A converter, RS-
232C, or RS-485 option is installed)
Tightening torque: 0.2 to 0.6 N•m
- Use shielded cables.
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