Danfoss VLT AutomationDrive FC 302, Programming Manual, Page: 258 / 346

4.2.3 Synchronization
In synchronization mode, the frequency converter follows the position of a master signal. The master signal and the offset
between the master and the follower are handled as shown in
Illustration 4.2 .
Profile generator
Par. 3-26 Position offset
Par. 3-02 Offset speed
Position ref.
Ramp settings:
Parameter groups
3-4*–3-7*
Acceleration/Deceleration
Commanded
position
Speed
Acceleration
Speed ref.
Offset handling
Synchronization:
Par. 3-22 – 3-25,
7-97, 7-99.
Fieldbus Sync. REF
Par. 3-16 Reference
resource 2
Master position
e30be775.11
Illustration 4.2 Synchronization References
In each control cycle (1 ms) the profile generator calculates position, speed, and acceleration required to do the specified
movement. The outputs from the profile generator are used at inputs for the position and speed controller as described in
chapter 4.3.1 Control Loops .
Integrated Motion Controlle...
VLT
®
AutomationDrive FC 301/302
256 Danfoss A/S © 10/2018 All rights reserved. MG33MP02
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