Mitsubishi Electric CC-Link IE-NZ2GNSS2-8D User Manual page 54

Processing method of the cable terminal
Strip the cable about 10mm from the tip to connect a bar solderless terminal at the stripped area. Stripping the cable too long
may cause electric shock or short circuit between adjacent terminals because the conductive part sticks out of the terminal
block. Stripping the cable too short may cause a poor contact to the spring clamp terminal part.
Wiring of the external power supply
If the external power supply is turned off while the module power supply is turned on, an external power supply voltage error
(error code: 0102H) occurs. Power on the external power supply at the same timing of power-on of the module power supply.
6 INSTALLATION AND WIRING
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6.6 Wiring of External Device and I/O Terminal Block