Omron OMNUC U Series - Page 40

2-22
2-2-3 Wiring Servo Drivers
Provide proper wire diameters, ground systems, and noise resistance when wiring terminal blocks.
j Wiring Terminal Blocks
To Motor
Power Cable
R88A-CAUS
R88A-CAUB (with brake)
(The broken lines indicate signal
lines for the brake. There is no
polarity on these lines.)
Power supply input terminals
Main-circuit DC output terminals
Red
White
Blue
Green
Black
Black
24 VDC
Terminal
label
Name Function
R
Power supply
input
The commercial power supply input terminals for the main circuit and the
control circuitry.
The
p
ower su
pp
ly voltage de
p
ends on the model being used
T
Th
e power supp
l
y vo
l
tage
d
epen
d
s on t
h
e mo
d
e
l
b
e
i
ng use
d
.
R88D-UEPH: Single-phase 200/230 VAC (170 to 253 V) 50/60 Hz
R88D-UEPL: Single-phase 100/115 VAC (85 to 127 V) 50/60 Hz
P
Main circuit DC The terminals for connecting Regeneration Units (R88A-RG08UA). Connect
hilhhihihllf i (S)
N
output
gg ( )
these terminals when there is a high level of regenerative energy. (See note)
U
Motor connection
il
Red
These are the output terminals to the Servomotor. Be careful to wire
hl
V
terminals
White
them correctly.
W Blue
Frame ground Green The ground terminal for both the motor output and power supply in-
put. Ground to a class-3 ground (to 100 Ω or less) or better.
Note Refer to 3-8 Regenerative Energy Absorption for a method to calculate regeneration energy.
System Design and Installation
Chapter 2
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com