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4-9
4-2 Wiring
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
4
System Design
R88D-KN20H-ML2
R
T
NFB
S
Noise filter (*1)
1
2
3
4
5
6
E
NF
Ground to 100
Ω
or less
3-phase 200 to 240 VAC 50/60Hz
Main circuit contactor (*1)
PL
Servo alarm display
L1C
L2C
L1
L2
L3
OMNUC G5-Series
AC Servo Drive
ALMCOM
/ALM
3
4
User-side
control
device
CN1
X
24 VDC
1
2
OUTM1
(BKIR)
OUTM1
COM
XB
24 VDC
Control cables
OMNUC G5-Series
AC Servomotor
W
V
U
B
E
M
CN2
Encoder cables
Power cables
24 VDC
(*3)
(*2)
CN1
CN1
*1. A recommended product is listed in 4-3,
Wiring Confirming to EMC Directives.
*2. Recommended relay: MY relay by
OMRON (24-V type) For example, MY2
relay by OMRON can be used with all
G5-series motors with brakes because its
rated induction load is 2 A (24 VDC).
*3. There is no polarity on the brakes.
*4. The Regeneration Resistor built-in type
(KN20H-ML2) shorts B2 and B3. When
the amount of regeneration is large,
remove the connection between B2 and
B3 and connect the Regeneration
Resistor between B1 and B2.
B1
B3
B2
(*4)
Regeneration
Resistor
CNB
CNC
CNA
CNA
Ground to 100
Ω
or less
X
XB
2MC
X
1MC
Surge suppressor (*1)
OFF
ON
1MC
X
Main circuit power supply
2MC
1MC
2MC
2MC
1MC