Main Circuit And Servomotor Connector Specifications (Cna And Cnb) - Omron SMARTSTEP 2 SERIES User Manual

3-1 Servo Drive Specifications

Main Circuit and Servomotor Connector Specifications (CNA and CNB)

R7A-CNB01P Main Circuit Connector (CNA) Specifications
3
Main Circuit Connector (CNA) Pin Arrangement
Symbol
R7A-CNB01A Servomotor Connector (CNB) Specifications
Servomotor Connector (CNB) Pin Arrangement
Symbol
3-3
CNA Connector
Pin No.
L1 10
Main circuit power
L2 8
supply input terminals
L3 6
P 5 External Regeneration
Resistor connection
B1 3
terminals
FG 1 Frame ground
Pin No.
U 1
Servomotor
V 4
connection terminals
W 6
3 Frame ground
5 10
PWR ALM
C
N
3
C
N
1
1 6
C
N
2
C
N
B
C
N
A
Name
For three-phase 200 V, connect to L1 (pin 10), L2
(pin 8), and L3 (pin 6).
For single-phase 100/200 V, connect to L1 (pin 10)
and L3 (pin 6).
If regenerative energy is high, connect an External
Regeneration Resistor.
This is the ground terminal. Ground to 100 Ω or less.
3 6
PWR ALM
C
N
3
C
N
1
1 4
C
N
2
C
N
B
C CNB Connector
N
A
Name Color
Red
These are the output terminals to the Ser-
White
vomotor. Be careful to wire them correctly.
Blue
Green/
Connect the Servomotor FG terminals.
Yellow
Function
Function