Trim control overview, Er to the trim control overvie, B-10 – Rockwell Automation 1336E IMPACT Adjustable Frequency AC Drive User Manual V 1-4.XX User Manual
Page 348: Process trim, Speed trim, B-10 control block diagrams

B-10
Control Block Diagrams
Trim Control Overview
You can use the following block diagram to view how the drive uses
the process trim parameters to modify the speed and torque reference
values that the motor uses.
Process Trim
PTrim Select
(Trim Limiter)
STOP
Output Gain/4096
Data
Process Trim PI
Regulator
Ramp Output
B
R
Low
Pass
Filter
K
I
/4096
K
P
/4096
53
54
55
60
59
PTrim Hi Limit
6
PTrim Lo Limit
Limit
Speed Trim
51
0
PTrim Select
(Select Speed Output)
0
+
+
Zero
Reference
0
Speed Trim
Limit
Trim Limit
51
5
Freq Limit
V
T
To Speed
PI Regulator
Torque Trim
0
T
pt
To Torque
Reference
51
1
PTrim Select
(Select Torque)
51
3
58
51
4
11
Logic
Input Sts
PTrim Select (Set Output)
PTrim Select (Preset Integ.)
62
Max Fwd
Spd Trim
61
Max Rev Spd Trim
PTrim Preload
PTrim Ki
PTrim Kp
PTrim Out Gain
Nameplate Hz
48
PTrim
Output
OR
14
Process Trim
51
6
PTrim Select
(Enable)
Enable
82
Command
Spd Sts
52
PTrim Filter BW
Process Trim
Speed Input Select
51
2
PTrim Select
(Select Speed Input)
49
50
PTrim Reference
PTrim Feedback
81
Motor Speed
from Speed
Feedback
+
–