Internally Set Speed Control; Parameters Requiring Settings; Related Parameters - Omron SMARTSTEP 2 SERIES User Manual

5-2 Internally Set Speed Control

The speed of the Servomotor can be controlled using the speeds set in the No. 1 to 4 Internal
Speed Setting parameters.
After the RUN Command Input (RUN) is turned ON and then the Zero Speed Designation Input
(VZERO) is turned ON, the Servomotor will accelerate according to the Soft Start Acceleration
Time (Pn58). When the Zero Speed Designation Input (VZERO) is turned OFF, the Servomotor
will decelerate to a stop according to the Soft Start Deceleration Time (Pn59).
Switching between the internally set speeds is controlled by the Internally Set Speed Selection 1
and 2 Inputs (VSEL1: CN1-6, VSEL2: CN1-4).

Parameters Requiring Settings

Parameter
Parameter name
No.
Control Mode
Pn02
Selection
Zero-speed
Designation/
Pn06
Torque Limit
Switch
No. 1 Internal
Pn53
Speed Setting
No. 2 Internal
Pn54
Speed Setting
No. 3 Internal
Pn55
Speed Setting
No. 4 Internal
Pn56
Speed Setting
Soft Start
Pn58
Acceleration Time
Soft Start
Pn59
Deceleration Time

Related Parameters

The main functions provided by the parameters related to Internally Set Speed Control are
described in the following table.
Function
The Torque Limit Switch Input (TLSEL) is used when the Zero Speed Desig-
nation/Torque Limit Switch (Pn06) is set to 2. The following parameters are
Torque Limit Switch
switched: Overspeed Detection Level, Torque Limit, and Deviation Counter
Overflow Level.
The Zero Speed Detection Signal will be output if the speed of the Servomotor
Zero Speed
falls below the setting of this parameter. The Warning Output Selection
Detection
(Pn09) must be set to 1 to use this function.
Motor Rotation The Servomotor Rotation Speed Detection Output (TGON) will be output if
Detection the speed of the Servomotor exceeds the setting of this parameter.
Explanation
Select the control mode for internally set speeds (setting: 1).
Always enable the zero-speed designation when internally set
speeds are used (setting: 1).
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.
Set the acceleration time for Internally Set Speed Control. Set
the time (setting × 2 ms) until 1,000 r/min is reached.
Set the deceleration time for Internally Set Speed Control. Set
the time (setting × 2 ms) until operation stops from 1,000 r/min.
Explanation

5-2 Internally Set Speed Control

5
Reference
Page 5-33
Page 5-34
Page 5-53
Page 5-53
Reference
Page 5-15
Page 5-55
Page 5-56
5-4