Baldor 29M Installation And Operating Manual page 36

Section 1
General Information
PROCESS FEEDBACK
Available sources are:
Potentiometer
10 Volts
5 Volts
4 TO 20 mA
5V EXB
10V EXB
4-20mA EXB
None
PROCESS FEEDFORWARD
COMMAND SELECT
Available sources are:
Potentiometer
10 Volts
5 Volts
4 TO 20 mA
10 V w/Torq FF
EXB Pulse FOL
5V EXB
10V EXB
4-20mA EXB
Serial
None
MN1230
3. Level 1 Input block "Command Select" parameter must be set to the
feedforward signal type. This signal may be any Analog1, Analog2 or
expansion board input not being used for the process feedback or setpoint
source inputs. Selections are shown in Figure 3-13.
Note: An input can only be used one time for Process Feedback, OR Setpoint
Source, OR Feedforward.
Figure 3-13 Simplified Process Control Block Diagram
SETPOINT COMMAND
+
–
Auxiliary PID Control
Closed When Process
Mode is Enabled (J1–13)
Motor Control
+
ACC/DEC +
S–Curve
Profiler
–
s
Differentiator
Differential
Gd s
Proportional
+
Gp
Integral
Gi
s
Set Point adjustment limit
w/ integral clamp to max
limit value
Existing Baldor Control System
Differential
+
Gd s
Proportional
+
Gp
Integral
Gi
+
s
+
+
Amp
Motor
Res.
Installation 3-25