Mitsubishi MOTION CONTROLLERS Q172DCPU Bedienungsanleitung Seite 131

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4 INSTALLATION AND WIRING
POINT
(1) Use the thickest possible (up to 2mm
2
) wires for the 100/200 VAC and 24 VDC
power cables. Be sure to twist these wires starting at the connection terminals.
To prevent a short circuit should any screws loosen, use solderless terminals
with insulation sleeves of 0.8 mm (0.03 inch) or less.
Also, only two solderless terminals can be connected per terminal block.
Terminal
block
Solderless terminals
with insulation sleeves
(2) Ensure that the earth terminals LG and FG are grounded.
(Ground resistance :
100
or loss)
Since the LG terminal has a half of the input voltage, touching this terminal may
result in an electric shock.
(3) No system error can be detected by the ERR terminal of an extension base
unit. (The ERR terminal is always set off.)
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