4-16
4-2 Wiring
4
System Design
Peripheral Device Connection Examples
R7D-BPA5L/-BP01L/-BP02L/-BP01H/-BP02HH/-BP04H
*1. Recommended products are listed in 4-3 Wiring Conforming to EMC Directives.
We recommend that you install two contactors to help prevent accidents that may occur due to
contact welding or other factors.
*2. Recommended Relay: OMRON G7T Relay (24-VDC model)
*3. An External Regeneration Resistor can be connected.
Connect this resistor if the regenerative energy exceeds regeneration absorption capacity in the
Servo Drive. (Refer to Servo Drive Regenerative Energy Absorption Capacity on page 4-37.).
Note 1. The dynamic brake operates when the main circuit power supply or the control circuit power
supply is turned OFF.
Note 2. When turning OFF the main circuit power supply, turn OFF the RUN Command Input (RUN)
signal at the same time.
Noise filter
(*1)
(Ground to
100 Ω or less.)
(Ground to
100 Ω or less.)
Main-circuit
power supply
Main-circuit contactor (*1)
Surge killer (*1)
Servo error display
SMARTSTEP 2-Series
Servo Drive
User
control
device
Control cable
Servomotor Power Cable
24 VDC
Reactor
External regeneration
resistor
(*2)
Encoder cable
Brake Cable
24 VDC
Single-phase 100 to 115 VAC, 50/60 Hz: R7D-BP@@L
Single-phase 200 to 240 VAC, 50/60 Hz: R7D-BP01H/-BP02HH/-BP04H
OMNUC G-Series
Servomotor
RT
NFB
12
34
E
NF
OFF
X
ON
1MC X
1MC
PL
L1
L2
CN1
X
W
V
U
B
M
CN2
XB
P
B1
/ALM9
X
CN1
0GND
BKIR11
13
CN1
XB
(*3)
L3
RUN
+24VIN1
2
CN1
1MC
CNA
CNB
E
1MC
24 VDC
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