5-5
5-3 Internally Set Speed Control
5
Operating Functions
5-3 Internally Set Speed Control
Function
• Performs Servomotor speed control using the speeds set in the No. 1 to 8 Internally Set Speeds.
• Select the internally set speed using the Internally Set Speed Selection 1 to 3 of the control input
terminals (VSEL1: CN1 pin 33, VSEL2: CN1 pin 30, VSEL3: CN1 pin 28).
Parameters Requiring Settings
Selecting the Internally Set Speeds
The following tables show the internally set speeds that are set with VSEL1, VSEL2, and VSEL3
(Internally Set Speed Selection 1, 2, and 3 Inputs).
Parameter No. Parameter name Explanation
Reference
page
Pn02 Control Mode Selection
Select the control mode for internally set speeds
(setting: 1, 3, or 5).
5-53
Pn05 Command Speed Selection
Make a setting to use the internally set speeds
(setting: 1, 2, or 3).
5-54
Pn53 No. 1 Internally Set Speed
Set the internally set speeds (r/min).
The settings can be made from −20,000 to 20,000 r/min.
Be sure to set the speeds within the allowable range of
rotation speed of the Servomotor.
5-82
Pn54 No. 2 Internally Set Speed
Pn55 No. 3 Internally Set Speed
Pn56 No. 4 Internally Set Speed
Pn74 No. 5 Internally Set Speed
Pn75 No. 6 Internally Set Speed
Pn76 No. 7 Internally Set Speed
Pn77 No. 8 Internally Set Speed
Pn58 Soft Start Acceleration Time
Set the acceleration time for internally set speed control.
Set the time (setting × 2 ms) until 1,000 r/min is reached.
5-83
Pn59 Soft Start Deceleration Time
Set the deceleration time for internally set speed control.
Set the time (setting × 2 ms) until 1,000 r/min is reached.
5-83
Pn5A
S-curve Acceleration/
Deceleration Time Setting
Set the S-curve time width (setting × 2 ms) centered on
the inflection points for acceleration and deceleration.
5-83
VSEL133
VSEL230
VSEL328
Controller
OMNUC G-Series Servo Drive
Internally set speed control
OMNUC G-Series
Servomotor
Speed selection
command
No. 1 to 8
Internally Set
Speeds
(Pn53 to Pn56,
Pn74 to Pn77)
*Internally set
speed control can
be performed
using only digital
I/O signals.