4-13
4-2 Wiring
4
System Design
Selecting Connecting Cables
 Encoder Cables (CN2)
 Servomotor Power Cables (CNB)
 Brake Cables
 Power Supply Cables (CNA)
Name Model Comments
Standard Cables 
for Encoders
R88A-CRGB@@@C
The @@@ digits in the model number indicate the 
cable length (3 m, 5 m, 10 m, 15 m, or 20 m).
Example model number for a 3-m cable:
R88A-CRGB003C
Robot Cables 
for Encoders
R88A-CRGB@@@CR
The @@@ digits in the model number indicate the 
cable length (3 m, 5 m, 10 m, 15 m, or 20 m).
Example model number for a 3-m cable:
R88A-CRGB003CR
Name Model Comments
Standard Cables for 
Servomotor Power 
R7A-CAB@@@S
The @@@ digits in the model number indicate the 
cable length (3 m, 5 m, 10 m, 15 m, or 20 m).
Example model number for a 3-m cable:
R7A-CAB003S 
Robot Cables for 
Servomotor Power 
R7A-CAB@@@SR
The @@@ digits in the model number indicate the 
cable length (3 m, 5 m, 10 m, 15 m, or 20 m).
Example model number for a 3-m cable:
R7A-CAB003SR
Name Model Comments
Standard Cables 
for Brakes
R88A-CAGA@@@B
The @@@ digits in the model number indicate the 
cable length (3 m, 5 m, 10 m, 15 m, or 20 m).
Example model number for a 3-m cable: 
R88A-CAGA003B
Robot Cables 
for Brakes
R88A-CAGA@@@BR
The @@@ digits in the model number indicate the 
cable length (3 m, 5 m, 10 m, 15 m, or 20 m).
Example model number for a 3-m cable: 
R88A-CAGA003BR
Name Model Comments
Cable for Single-
phase Power 
Supply Input
R7A-CLB002S2 Cable length: 2 m
Cable for Three-
phase Power 
Supply Input
R7A-CLB002S3 Cable length: 2 m
Cable for 
Connecting to 
External 
Regeneration 
Resistor
R7A-CLB002RG Cable length: 2 m