Mitsubishi Electric MELSEC-A Series User Manual page 150

6. LOADING AND INSTALLATION
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POINTI
(1) Use the thickest possible (max. 2 mm
2
(14 AWG» wires for the 1 00/200
I
VAC and
24
VDC power cables. Be sure to twist these wires starting
at the connection terminal. To prevent short- circuit should ant screws
loosen, use solderless terminals with insulation sleeves.
(2)
When the LG terminals and FG terminals are connected, be sure to
ground the wires. Do not connect the LG terminals and FG terminals
to anything other than ground. If LG terminals and FG terminals are
connected without grounding the wires, the PC may be susceptible to
noise, also since the LG terminals have potential, tile operator may get
an electric shock when touching metal parts.
(3)
* :
Open/shortcircuit switching is performed by power supply
voltage.
100 VAC : Shortcircuit
200 VAC : Open
(4) Connect the shield of a Twisted-pair shield cable to the SLD ter-
minal on the receiving side (on the connecting side of RDA and
ROB).
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