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Wiring; Wiring Precautlons - Mitsubishi Electric A1 S64TCTT User Manual

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4 Wiring
This sectlon explalns the wirlng precautlons usmg an example
module connection.
4.1
Wiring Precautions
Sufficiently understandlng the
A I S64TC and
A1
S64BW functlons
shows that one of the condltlons for bulldmg a highly fellable sys-
tem
IS
external wlrlng that
IS
not easlly affected by nolse.
Followlng are glven precautlons for external wlrlng.
(1)
Use separate cables for the alternatlng current control clrcult
and the
A1
S64TC and A I S64BW external inpot signals so
that there
IS
no
effect from the alternatlng current surge or
Inductance.
(2)
Do not
place near or bundle wlth maln clrcult wires, hlgh volt-
age w e s . or load wlres from other than the PC.
Be sure to place the thermal couple and reslstance thermom-
eter bulbs 1 OOrnm or farther from maln clrcult wlres and alter-
natlng current control clrcults.
Place sufflclently far from clrcults that Include high frequencles
scicn
as
high
voltage wires and Inverted load maln circuits.
Not dolng so makes
IS
easy for the wlres to be affected by
n o m surges, and Inductance.
13)
Use one polnt groundlng on the PC slde for the shielding of
shlelded wlres
and
shlelded cables. However, external nose
condrtions rmay make
It
more favorable for the ground to be
done on the external slde.

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