Omron R88D-KN series User Manual

7 Applied Functions
7-20
G5 Series AC Servo Drives With Built-in EtherCAT Communications, Linear Motor Type
7-6 Electronic Gear Function
This function controls the position by using the value multiplied the position command entered on the
Host Controller by the preset electronic gear ratio. The functions is supported only in the Position
Control when the communications cycle is 1, 2, or 4 ms.
For communications cycles for which the electronic gear is not supported (250 or 500 µs), a Function
Setting Error (Error No. 93.4) will occur if the electronic gear is enabled.
Additional Information
When connected to an OMRON Machine Automation Controller NJ-series (Model: NJ501-100)
or CJ1W-NC81/82 Position Control Unit, the electronic gear ratio is set in the controller. Set
the electronic gear ratio in the Servo Drive to 1:1.
*1 The electronic gear ratio must be set between 1/1000 and 1000. If it is set outside the range, an Object Setting Error 1
(Error No. 93.0) will occur.
Whether the electronic gear is enabled is determined from the setting of the objects. If the gear ratio setting is 1:1, the
electronic gear is disabled.
Additional Information
To make the position command smoother after the electronic gear setting, adjust it by using the
Position Command Filter Time Constant (3222 hex) or by the Position Command FIR Filter Time
Constant (3818 hex).
7-6-1 Objects Requiring Settings
Index Sub-index Name Explanation Reference
6091 hex 01 hex
Motor revolutions
*1
Set the numerator of the electronic gear ratio. page A-90
02 hex
Shaft revolutions
*1
Set the denominator of the electronic gear ratio.
Gear ratio Setting (6091-01 and 6091-02 Hex)
Motor
revolutions
(6091-01 hex)
Shaft
revolutions
(6091-02 hex)
Description
1 to
1073741824
1 to
1073741824
The processing changes with the set values of Motor revolutions (6091-01 hex)
and Shaft revolutions (6091-02 hex).
Position command  Motor revolutions (6091-01 hex) / Shaft revolutions
(6091-02 hex)
Position command
Motor revolutions (6091-01 hex)
Shaft revolutions (6091-02 hex)
Position command

Omron R88D-KN series Specifications

General

Brand	Omron
Model	R88D-KN series
Category	Controller
Language	English