User Manual

304 Rockwell Automation Publication 20P-UM001K-EN-P - July 2014

Appendix C Application Notes

• Monitor the feed-forward signal after the gain is applied in Par 758 [Feed

Fwd PID]

Configure the Feedback Signal in the Follower Drive(s)

The feedback signal originates from a load cell or a closed loop dancer and is

input to the drive via an analog input.

• Set Par 70 [Anlg In1 Sel] to 19 “PID Feedback”.

In addition you can configure the following:

Gain

P786

PID Source

P787

PID Source Gain

P758

Feed Fwd PID

Line Speed

Master

NIP-Roll

Reverse

Forward

Load Cell

0 - +10V

Tension Set

-10V

Set

Feedback

Line Speed Signal

Master

Drive

Slave

Drive

(Internal Ramp)

Line Speed Reference

+10V Forward

-10V Reverse