This chapter describes how to interpret the model numbers
of SGM7E Servomotors and gives their specifications, rat-
ings, and external dimensions.
4.1
Model Designations . . . . . . . . . . . . . . . . . . 4-2
4.2
Specifications and Ratings . . . . . . . . . . . . . 4-3
4.2.1 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
4.2.2 Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
4.2.3 Torque-Motor Speed Characteristics . . . . . . . . . 4-5
4.2.4 Servomotor Overload Protection
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
4.2.5 Allowable Load Moment of Inertia . . . . . . . . . . . . 4-7
4.3
External Dimensions . . . . . . . . . . . . . . . . . . 4-9
4.3.1 Connector Specifications . . . . . . . . . . . . . . . . . 4-13
4.4
Selecting Cables . . . . . . . . . . . . . . . . . . . . 4-14
4.4.1 Cable Configurations . . . . . . . . . . . . . . . . . . . . 4-14
4.4.2 Servomotor Main Circuit Cables . . . . . . . . . . . . 4-14
4.4.3 Encoder Cables of 20 m or Less . . . . . . . . . . . . 4-15
4.4.4 Relay Encoder Cables of 30 m to 50 m . . . . . . . 4-16
Specifications,
Ratings, and External
Dimensions of SGM7E
Servomotors
4