Omron OMNUC U Series - Page 50

2-32
2-3-2 Wiring Servo Drivers
Provide proper wire diameters, ground systems, and noise resistance when wiring terminal blocks.
j Wiring Terminal Blocks
24 VDC
Red
White
Blue
Green
Black
Black
To Motor
Power Cable
R88A-CAU001
R88A-CAU01B (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
Terminal
label
Name Function
L1
Power supply
input
The commercial power supply input terminals for the main circuit and the
control circuitry.
L2
y
R88D-UEPV: Single-phase 200/230 VAC (170 to 253 V) 50/60 Hz
R88D-UEPW: Single-phase 100/115 VAC (85 to 127 V) 50/60 Hz
+
Main circuit DC
out
p
ut
When there is a high level of regenerative energy in a multi-axis system, the
+ terminals can be connected together and the terminals can be connected
–
output + term
i
na
l
s can
b
e connecte
d
toget
h
er an
d
t
h
e – term
i
na
l
s can
b
e connecte
d
together to increase the ability to absorb regenerative energy
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 Ground to a class-3 ground (to 100 Ω or less) or better.
Note Refer to 3-8 Regenerative Energy Absorption for the methods to calculate regenerative energy .
System Design and Installation
Chapter 2
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com