L7C Series AC Servo Drives Quick Start Guide
Page 46 of 60
L7C Servo Drives Quick Start Guide – 1st Ed. Rev A, 11/29/2021
Step 3: Control Mode Selection
Velocity Mode S
tep 3
Substep
Task
A
On the
Select Control Mode
screen, select
Velocity (2)
for Control Mode (Object 0x3000)
Click
Next
B
On the
Velocity Command Switch Select
screen, select the desired velocity command In the example
below,
Analog Velocity/SPD1, SPD2, SPD3 Input (2)
(Object 0x231A) is selected This will allow you to
have seven predefined speeds selectable via DI and one analog input for variable speed control
C
Enter the desired values for the speed registers Speed register 1 is recommended to be 0 so there is
at least one consistent 0 speed command with holding torque See the table below for the relationship
between SPD1, SPD2, SPD3, Analog Input SPDCOM, and the command velocity
Setting Values
Setting Details
SPD1
SPD2
SPD3
Speed Command
0
Use analog velocity commands
n/a
n/a
n/a
Analog Input
1
Use SPD1, SPD2 contact and
analog velocity commands
OFF
OFF
n/a
Speed 1 - 0x2312
ON
OFF
n/a
Speed 2 - 0x2313
OFF
ON
n/a
Speed 3 - 0x2314
ON
ON
n/a
Analog input
2
Use SPD1, SPD2, and SPD3
contact and analog velocity
commands
OFF
OFF
OFF
0x2312
ON
OFF
OFF
0x2313
OFF
ON
OFF
0x2314
ON
ON
OFF
0x2315
OFF
OFF
ON
0x2316
ON
OFF
ON
0x2317
OFF
ON
ON
0x2318
ON
ON
ON
Analog input
3
Use velocity commands for SPD1,
SPD2, and SPD3 contact
OFF
OFF
OFF
0x2312
ON
OFF
OFF
0x2313
OFF
ON
OFF
0x2314
ON
ON
OFF
0x2315
OFF
OFF
ON
0x2316
ON
OFF
ON
0x2317
OFF
ON
ON
0x2318
ON
ON
ON
0x2319
D
Click
Next
Note:
If SPD 1,2,3 Input (3) is
selected, after completing
the Setup Wizard
manually set 0x231A in
the Object Dictionary
to a value of 3. The
Setup Wizard correctly
populates values 0–2, but
does not currently write a
value of 3.