3.8 Control Circuit Wiring
■ Wire Size
W ARNING!
F ire hazard. Lo o se e le c tric a l c o n n e c tio n s c o u ld re s u lt in de a th o r s e rio u s in ju ry b y fire due to o v e rh e a tin g o f e le c tric a l
con ne ction s. Im p ro p e rly tig h te n e d te rm in a l sc re w s can also ca u se e rro n e o u s e q u ip m e n t operation.
Select appropriate wire type and gauges from
Table 3.8
. For simpler and more reliable wiring, use crimp ferrules on the
wire ends. Refer to
Table 3.9
for ferrule terminal types and sizes.
Table 3.8 Wire Gauges
Bare Wire Terminal
Ferrule-Type Terminal
Terminal
Applicable wire size
mm2 (AWG)
Recommended wire size
mm2 (AWG)
Applicable wire size
mm2 (AWG)
Recommended wire size
mm2 (AWG)
Wire Type
S1 to S8, SN, SC, SP, V+, AC, V-, A1, A2,
FM, AM , P1-C1, P2-C2, E(G), HC, H1, H2,
DM +, DM -, IG, R+, R-, S+, S-, M A, MB,
MC, M 1-M 2, M 3-M 4, M 5-M 6
Stranded wire:
0.25 to 1.0 (24 to 17)
Solid wire:
0.25 to 1.5 (24 to 16)
0.75
(18)
0.25 to 0.5
(24 to 20)
0.5
(20)
Shielded wire, etc.
■ Ferrule-Type Wire Terminals
Yaskawa recommends using CRIMPFOX 6, a crimping tool manufactured by PHOENIX CONTACT, to prepare wire
ends with insulated sleeves before connecting to the drive. Refer to
Table 3.9
for dimensions.
/ ч
F ig u r e 3 .1 9 F e r r u le D im e n s io n s
Table 3.9 Ferrule Terminal Types and Sizes
d1
d2
Size mm2 (AWG)
Type
L (mm)
d1 (mm)
d2 (mm)
Manufacturer
0.25 (24)
AI 0.25-8Y E
12.5
0.8
1.8
0.34 (22)
AI 0.34-8TQ
10.5
0.8
1.8
PHOENIX CONTACT
0.5 (20)
AI 0.5-8W H or
AI 0.5-8OG
14
1.1
2.5
♦ Wiring the Control Circuit Terminal
This section describes the proper procedures and preparations for wiring the control terminals.
W ARNING!
S ud de n M o v e m e n t Hazard. O p e ra tin g a drive w ith u n te s te d e m e rg e n c y circu its c o u ld re s u lt in de a th o r s e rio u s injury.
Verify a ll e m e rg e n c y s top w irin g a n d circ u its b e fo re o p e ra tin g the drive.
W ARNING!
Fire hazard. Tighten a ll te rm in a l screw s to the s p e c ifie d tig h te n in g torque. L o o s e e le c tric a l c o n n e c tio n s c o u ld re s u lt in
de a th o r s e rio u s in ju ry b y fire d u e to o v e rh e a tin g o f e le c tric a l con ne ction s.
W ARNING!
E le c tric a l S h o c k Hazard. D o n o t re m o v e c o v e rs o r to u ch the c irc u it b o a rd s w hile the p o w e r is on. F a ilu re to c o m p ly co u ld
re s u lt in de a th o r s e rio u s injury.
W ARNING!
E le c tric a l S h o c k H azard. B e fo re servicing, d is c o n n e c t a ll p o w e r to the e q u ip m e n t a n d lo c k o u t the p o w e r source. F ailure to
c o m p ly m a y re s u lt in in ju ry from e le c tric a l shock. W ait a t le a s t five m in u te s a fte r a ll in d ic a to rs are O F F a n d m e a s u re the D C bus
volta ge le v e l a n d m a in c irc u it te rm in a ls to con firm the c irc u it is safe b e fo re wiring.
W ARNING!
S ud de n M o v e m e n t a n d H azard. In s ta ll a d d itio n a l e m e rg e n c y stop circu its s e p a ra te ly from the d riv e e m e rg e n c y circuits.
F a ilu re to c o m p ly m a y re s u lt in p e rs o n a l injury.
N OTICE:
E q u ip m e n t H azard. D o n o t c o n n e c t c o n tro l c irc u it g ro u n d te rm in a ls to the d riv e enclosure. Im p ro p e r d riv e g ro u n d in g can
ca u se c o n tro l c irc u it m alfu nctio n.
N OTICE:
E q u ip m e n t H azard. In su la te s h ie ld s w ith h e a t s h rin k tu b in g o r tape to p re v e n t c o n ta c t w ith o th e r s ig n a l lin e s a n d equipm ent.
Im p ro p e r w irin g 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 du e to sh o rt circuit.
N OTICE:
E q u ip m e n t H azard. U se tw is te d -p a ir o r s h ie ld e d tw is te d -p a ir c a b le s fo r c o n tro l circuits. Im p ro p e r w iring p ra c tic e s c o u ld re su 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 O TICE:
C o n n e c t the s h ie ld o f s h ie ld e d cab le to th e a p p ro p ria te g ro u n d term inal. Im p ro p e r e q u ip m e n t g ro u n d in g 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.
64
YASKAWA ELECTRIC SIEP C710616 33D YASKAWA AC Drive L1000A Technical Manual