Emerson unidrive sp - Macro 5 PID Control Logic Diagram

Parameter
structure
Keypad and
display
Parameter
x.00
Parameter
description format
Advanced parameter
descriptions
Macros
Serial comms
protocol
Electronic
nameplate
Performance RFC mode
388 Unidrive SP Advanced User Guide
www.controltechniques.com Issue Number: 10
Figure 6-5 Macro 5 PID control logic diagram
Reference selection
Frequency/speed
reference
PID
reference
RUN
FORWARD
RUN
REVERSE
Analog
input 3
RESET
0.15
Analog input 2
mode selector
Analog
input 1
0.05
Reference
selector
PID
ENABLE
Minimum
frequency/
speed clamp
Maximum
frequency/speed
clamp
0.01
0.02
DRIVE
ENABLE
0.17
0.18
Analog
input 2
PID
feedback
0.16
Analog input 3
mode selector
0.19
0.28
Analog
input 2
scaling
0.29
Analog
input 3
scaling
Pr Function
0.11 Pre-ramp reference
0.12 Post-ramp reference
0.13 Motor active-current
0 14 (Not used)
0.15
0.16
0.17
0.18
0.19
0.20 PID proportional gain
0.21
0.22
0.23 PID output high limit
0.24
0.25
0.26 Preset reference 7
0.27
0.28
0.29
0.30 Optional PID-enable source
Analog input 2 (PID reference) mode
Analog input 3 (PID feedback) mode
Analog input 1 (freq./speed ref.)
Analog input 2 (PID reference)
Analog input 3 (PID feedback)
PID integral gain
PID derivative gain
PID output low limit
PID output scale factor
Preset reference 8
Analog input 2 scaling
Analog input 3 scaling
selector
selector
selector
0.XX
0.XX
Key
Read-write
(RW)
parameter
Read-only (RO)
parameter
Input
terminals
Output
terminals
Menu 0 changes from default configuration
0.20
0.21
0.22
PID proportional
gain
PID integral
gain
PID derivative
gain
0.22
PID derivative
gain
0.25
PID
output
scale
factor
0.25
PID
output
scale
factor
0.230.23
PID output
high limit
0.24
0.24
PID output
low limit