Johnson Controls VFD67 Series, Руководство по началу работы, Страница: 28 / 52

28
VFD67 Size A to D Getting Started Guide
www.johnsoncontrols.com Issue Number: 1
Figure 6-8 Pr 05 = Pid (proportional integral and direction control)
When Pr 05 is set to Pid, the following parameters are made available for adjustment:
• Pr 61 : PID proportional gain
• Pr 62 : PID integral gain
• Pr 63 : PID feedback invert
• Pr 64 : PID high limit (%)
• Pr 65 : PID low limit (%)
• Pr 66 : PID output (%)
Figure 6-9 PID logic diagram
When torque mode is selected and the drive is connected to an unloaded motor, the
motor speed may increase rapidly to the maximum speed (Pr
02 +20%)
WARNING
0V
+10V reference output
+24V output
/Stop
Run
Jog
4-20mA PID
feedback input
V
_
+ Analog output
(motor speed)
Digital output
(zero speed)
PID reference input
PID enable
0-10V PID
reference input
PID feedback input
T1
T2
T3
T4
B1
B2
B3
B4
B5
B6
B7
95
94
%
T4
T2
x(-1)
0
1
63
Invert
61
P Gain
62
I Gain
PID reference
input
%
PID feedback
input
B7
PID enable
&
Drive healthy
64
PID high
limit
65
PID low
limit
66
%
81
Drive
reference
Hz
% to
frequency
conversion
+
_