
6.5 Speed Control
6.5.1 Basic Settings for Speed Control
6-20
Automatically Adjusting the Speed Reference Offset
To automatically adjust the speed reference offset, the amount of offset is measured and the
speed reference voltage is adjusted automatically.
The measured offset is saved in the SERVOPACK.
Preparations
The following conditions must be met to automatically adjust the reference offset.
•
The parameters must not be write prohibited.
•
The servo must be OFF.
•
There must not be a position loop in the host controller.
Applicable Tools
The following table lists the tools that you can use to automatically adjust the speed reference
offset and the applicable tool functions.
Operating Procedure
Use the following procedure to automatically adjust the speed reference offset.
1.
Confirm that the servo is OFF in the SERVOPACK.
2.
Input a 0-V reference voltage from the host controller or an external circuit.
3.
Click the
Servo Drive Button in the workspace of the Main Window of the S.
4.
Select
Adjust the Speed and Torque Reference Offset
in the Menu Dialog Box.
The Adjust the Speed and Torque Reference Offset Dialog Box will be displayed.
5.
Click the
Automatic Adjustment
Tab.
The offset does not use a parameter, so it will not change even if the parameter settings are
initialized.
Tool
Function
Operating Procedure Reference
Panel Operator
Fn009
Autotune Analog (Speed/Torque) Reference Offset
Digital Operator
Fn013
Σ
-7-Series Digital Operator Operating Manual (Manual
No.: SIEP S800001 33)
S
Setup
−
Speed/Torque Ref-
erence Offset Adjustment
Information
S
light rotation
(when
s
ervo i
s
ON)
S
ervomotor
S
ERVOPACK
S
ervo OFF
0-V
s
peed reference or
0-V torque reference
Ho
s
t controller