Chapter 2
2-52
Standard Models and Specifications
● Wiring
Power Cables for Servomotors without Brakes
Power Cables for Servomotors with Brakes
■ Specifications of Standard Encoder Cables (R7A-CRA@@@C)
■ Specifications of Robot Encoder Cables (R7A-CRA@@@CR)
Note The connection configuration, external dimensions, and wiring are the same for both Standard Cables
and Robot Cables.
Model Length (L) Outer diameter of
sheath
Weight
R7A-CRA003C 3 m 7.4 dia. Approx. 0.2 kg
R7A-CRA005C 5 m Approx. 0.3 kg
R7A-CRA010C 10 m Approx. 0.7 kg
R7A-CRA015C 15 m Approx. 1.0 kg
R7A-CRA020C 20 m Approx. 1.3 kg
Model Length (L) Outer diameter of
sheath
Weight
R7A-CRA003CR 3 m 7.0 dia. Approx. 0.3 kg
R7A-CRA005CR 5 m Approx. 0.4 kg
R7A-CRA010CR 10 m Approx. 0.9 kg
R7A-CRA015CR 15 m Approx. 1.3 kg
R7A-CRA020CR 20 m Approx. 1.7 kg
Servo Driver
Red
White
Blue
Green/Yellow
M4 crimp terminal
Cable: AWG21 x 4C, UL2464
Servomotor
Symbol
U phase
V phase
W phase
FG
No.
1
2
3
4
Cable side:
Connector cap: 350780-1 (Tyco Electronics AMP)
Connector socket: 350689-3 (Tyco Electronics AMP)
Servomotor side:
Connector plug: 350779-1 (Tyco Electronics AMP)
Contact pin:
350690-3: Pin No. 1 to 3 (Tyco Electronics AMP)
770210-1: Pin No. 4 (Tyco Electronics AMP)
Servo Driver
Red
White
Blue
Green/Yellow
M4 crimp terminal
Cable: AWG21 x 6C, UL2464
Servomotor
Symbol
U phase
V phase
W phase
FG
Brake
Brake
No.
1
2
3
4
5
6
Black
Brown
Cable side:
Connector cap: 350781-1 (Tyco Electronics AMP)
Connector socket: 350689-3 (Tyco Electronics AMP)
Servomotor side:
Connector plug: 350715-1 (Tyco Electronics AMP)
Contact pin:
350690-3: Pin No. 1 to 3, 5, and 6
(Tyco Electronics AMP)
770210-1: Pin No. 4 (Tyco Electronics AMP)