Servomotor Cables; Robot Cable Bending Durability; Power Cables; Encoder Cables - Omron SMARTSTEP R7D-AP Series User Manual

Standard Models and Specifications

2-6-2 Servomotor Cables

A Servomotor Cable connects a Servomotor to the Servo Driver and is available in either of
two types: Separate Cables and Integrated Cables. The Integrated Cables include the
encoder cable and power cable. Select a Cable to match the Servomotor being used. The
maximum distance between the Servomotor and the Servo Driver is 20 meters.
Note: Use a robot cable if cable flexibility is required.
Integrated
For Servomotors R7A-CEA@@@S
without brakes
For Servomotors R7A-CEA@@@B
with brakes
●

Robot Cable Bending Durability

A Robot Cable uses materials that enable a service life of 20 million bendings minimum under the fol-
lowing conditions for the minimum bending radius (R) or larger.
Note 1. The service life data on bending durability consists of test values. Use this data only as ref-
erence values, and allow margin in actual application.
Note 2. The bending durability is the number of times that the Cable can be bent without breaking
or other damage occurring that affects the sheath functionality when the conductors inside
the cable are conducting electricity. The bending durability does not apply to the shield
breaking.
Note 3. Mechanical failure, ground faults, or other problems may occur due to damaged insulation if
the Cable is used with a radius smaller than the minimum bending radius. Contact your
OMRON representative if the Cable will be used with a radius smaller than the minimum
bending radius.
●

Power Cables

For Servomotors
R88A-CAWA
without brakes
For Servomotors
R88A-CAWA
with brakes
@: 003 to 020
●

Encoder Cables

Model Minimum bending radius
R7A-CRA@@@CR 46 mm
@: 003 to 020
2-46
cables
Model
Power cable
Encoder cable
Power cable
Encoder cable
Model Minimum bending radius
@@@ 55 mm
SR
@@@ 55 mm
BR
(R)
Separate cables
Standard cable
models
R88A-CAWA@@@S R88A-CAWA@@@SR
R7A-CRA@@@C
R88A-CAWA@@@B R88A-CAWA@@@BR
R7A-CRA@@@C
(R)
Chapter 2
Robot cable models
R7A-CRA@@@CR
R7A-CRA@@@CR