Precautions for Safe Use
• Do not press the flat-blade screwdriver straight into the release hole. Doing so may break the
terminal block.
• When you insert a flat-blade screwdriver, press it down with a force of 30 N or less. Applying
excessive force may damage the terminal block.
• Do not tilt or twist the flat-blade screwdriver while it is pressed into the hole. Doing so may
break the terminal block.
• Make sure that all wiring is correct.
• Do not bend the cable forcibly
. Doing so may severe the cable.
l
Removing Wires
Use the following procedure to remove the wires from the terminal block.
The removal process is the same for both ferrules and twisted/solid wires.
1 Press the flat-blade screwdriver diagonally into the release hole.
The optimal angle for insertion is between 10° to 15°. If you press in the screwdriver correctly
,
you will feel the spring in the release hole.
1
10
°
to 15
°
Flat-blad
e screwdriver
2 Leave the flat-blade screwdriver pressed into the release hole and pull out the wire.
3 Installation and Wiring
3 - 17
NX-series Safety Control Unit User's Manual (Z930)
3-3 Wiring the Terminals
3
3-3-1 Wiring to the Screwless Clamping Terminal Blocks
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