3.8 Control Circuit Wiring
N OTICE:
S ep ara te w irin g fo r o u tp u t te rm in a ls M A, MB, M C, M 1 a n d M 2 from w irin g to o th e r c o n tro l c irc u it lines. Im p ro p e r w iring
p ra c tic e s c o u ld re s u lt in drive o r e q u ip m e n t m a lfu n c tio n o r n u is a n c e trips.
N OTICE:
S ep ara te c o n tro l c irc u it w irin g from m a in c irc u it w irin g (te rm in a ls R/L1, S/L2, T/L3, B1, B2, U/T1, V/T2, W /T3, -, +1, +2) a n d
o th e r h ig h -p o w e r lines. Im p ro p e r w irin g p ra c tic e s c o u ld re s u lt in d riv e m a lfu n c tio n d u e to e le c tric a l in te rfe ren ce.
N O TICE:
U se a cla s s 2 p o w e r s u p p ly (UL stan dard ) w hen c o n n e c tin g to the c o n tro l term inals. Im p ro p e r a p p lic a tio n o f p e rip h e ra l
d e vice s c o u ld re s u lt in d riv e p e rfo rm a n c e d e g ra d a tio n due to im p ro p e r p o w e r supply.
N OTICE:
D o n o t e x c e e d 5 0 m e te rs (164 feet) fo r the c o n tro l lin e b e tw e e n the d riv e a n d the o p e ra to r w h en u s in g an a n a lo g s ig n a l from
a re m o te sou rce to s u p p ly the fre q u e n c y refere nce . F ailure to c o m p ly c o u ld re s u lt in p o o r s ystem p e rfo rm an ce.
N OTICE:
D o n o t use u n s h ie ld e d c a b le fo r c o n tro l wiring. F ailure to c o m p ly m a y ca u se e le c tric a l in te rfe re n c e re s u ltin g in p o o r system
pe rfo rm a n ce . U se shielded, tw is te d -p a ir wires, a n d g ro u n d the s h ie ld to the g ro u n d te rm in a l o f the drive.
N OTICE:
In su la te s h ie ld s with tap e o r s h rin k tu b in g to p re v e n t c o n ta c t with o th e r s ig n a l lin e s a n d e quipm en t. Im p ro p e r w irin g p ra ctice s
c o u ld re s u lt in drive o r e q u ip m e n t m a lfu n c tio n d u e to s h o rt circuit.
Wire the control circuit only after terminals have been properly grounded and main circuit wiring is complete. Refer to
Figure 3.20
and
Figure 3.21
for details. Prepare the ends o f the control circuit wiring as shown in
Figure 3.22.
Refer to
Wire Size on page 64
.
N O TICE:
U se s h ie ld e d tw is te d -p a ir cab le s as in d ic a te d to p re v e n t o p e ra tin g faults. Im p ro p e r w iring p ra c tic e s c o u ld re s u lt in drive or
e q u ip m e n t m a lfu n c tio n due to e le c tric a l inte rfe ren ce.
T
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YASKAWA ELECTRIC SIEP C710616 33D YASKAWA AC Drive L1000A Technical Manual
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