Omron OMNUC FND Series User Manual page 18

Introduction
j Servomotor Features and Selection Standards
Any FND-X-series Position Driver can be freely selected according to the application. When making the
selection, take the following points into consideration.
Servomotor Features
U/UE Series
Compact size, high-speed response
High resolution (except for UE type)
Absolute encoder system can be configured (except for UE type).
H Series
High resolution
High application load inertia (less than 10 times the rotary inertia)
Usable in systems with comparatively low mechanical rigidity.
M Series
High application load inertia (less than 10 times the rotary inertia)
Usable in systems with comparatively low mechanical rigidity.
High output torque in a low-rotation motor
Up to a maximum of 50 meters between Servomotor and Servo Driver.
Motor Selection Standards (Reference)
Drive system type
Ball screw direct connection
Turntable direct connection
Feeder (direct connection)
Harmonic drive
Chain drive
Belt drive
Rack & pinion
Note "Low inertia" means that the motor axis conversion inertia is approximately 0 to 5 times the rotary
inertia for H-series and M-series Servomotors, and approximately 0 to 15 times the rotary inertia
for U-series and U-series UE-type Servomotors.
"High inertia" means that the motor axis conversion inertia is approximately 5 to 10 times the
rotary inertia for H-series and M-series Servomotors, and approximately 15 to 30 times the rotary
inertia for U-series and U-series UE-type Servomotors.
j Position Control Functions
Pulse Rate Setting Function
Pulse rate setting makes it possible to set positioning data (i.e., positions and speeds) according to the
mechanical axis.
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Low inertia
U, U-UE, H, M
U, U-UE, H, M
U, U-UE, H, M
U, U-UE, H, M
U, U-UE, H, M
U, U-UE, H, M
U, U-UE, H, M
Chapter 1
High inertia
U, U-UE, H, M
U, U-UE, H, M
U, U-UE, H, M
H, M
H, M
H, M
H, M
1-5