Speed Follower Function - Omron VARISPEED F7 User Manual

Speed Follower Function

The speed follower function allows a slave drive to precisely follow the speed of a master encoder or drive.
The speed ratio between the master and the follower is infinitely adjustable. In addtion, a gear ratio adjustment
can be added to the speed reference via parameter, analogue input, multi-funtion digital input (MOP) or serial
communication.
6
Related Parameters
Parameter
No.
S1-01
S1-02
S1-03
S1-04
S1-05
S1-06
S2-01
S2-02
S2-03
S2-04
S2-05
134
6-
Pulse Monitor Output
Pulse Monitor Output
Fig 6.92 Connection for Typical Configuration
Name
Follower Mode Selection
Master Encoder PPR
Ratio Numerator (Upper 4 digits)
Ratio Denominator (Upper 4 digits)
Ratio Numerator (Lower 4 digits)
Ratio Denominator (Lower 4 digits)
Digital Ratio Adjsutment
MOP Adjust Time
Gear Ratio Adjustment Ramp Time
PG Monitor Channel Selecction
Ratio Change Speed Agree Width
Input Channel
F 7
PG-X2
Master Drive
Input Channel 1
Input Channel 2
F 7
PG -Z 2
Slave Drive 1
Input Channel 1
Input Channel 2
F 7
PG -Z 2
Slave Drive n
Factory
Setting
0
1024
1000
1000
0
0
0.00 %
50.0 sec
10.0 sec
1
0.5 Hz
PG
M
PG
M
PG
M
Control Methods
Change
during
Open
V/f with
Opera-
V/f Loop
PG
tion
Vector
No Q Q Q
No Q Q Q
Yes Q Q Q
Yes Q Q Q
Yes A A A
Yes A A A
Yes A A A
Yes A A A
Yes A A A
Yes A A A
Yes A A A
Closed
Loop
Vector
Q
Q
Q
Q
A
A
A
A
A
A
A