Mitsubishi Electric FR-A800, Инструкция по эксплуатации

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Parameters (A) Application parameters
FR-A800 5 - 553
Block diagram of dancer control
The main speed can be selected in all operation modes, External (analog voltage input, multi-
speed), PU (digital frequency setting) and Communication (RS-485).
609
A624
PID set point/deviation
input selection
2
1 Input set point from terminal 1
2 Input set point from terminal 2
3 Input set point from terminal 4
4 Input set point via CC-Link communication
5 Input set point by PLC function
610
A625
PID measured value input
selection
3
1 Input measured value from terminal 1
2 Input measured value from terminal 2
3 Input measured value from terminal 4
4 Input measured value via CC-Link communication
5 Input measured value by PLC function
1134
A605
PID upper limit
manipulated value
100% 0 to 100% Set the upper limit of PID action.
1135
A606
PID lower limit
manipulated value
100% 0 to 100% Set the lower limit of PID action.
I002706E
Fig. 5-274: Dancer control block diagram
Pr. Name
Initial
value
Setting
range
Description
X14
+
-
Kp(1+ +Td S)
Ti S
1
+
+
Main speed
command
PID deviation
PID control
Acceleration/deceleration
of main speed
Ratio
Pr. 128
Pr. 128
PID feedback
Convert to 0 to 100 %
PID set point
Dancer roll
etting point
Pr.133
Terminal 4
Potentiometer
Dancer roll position detection
IM
Acceleration/
deceleration
Target frequency
Limit