Learning Advanced Features
268
Code
Description
OUT-31–35 Relay 1–5
OUT-36 Q1 Define
Configure the output terminals to ‘21 (MMC)‘ to use the terminals
to control the auxiliary motors. The number of the configured
output terminals determines the total number of auxiliary motors
to be used.
5.44.1 Multiple Motor Control (MMC) Basic Sequence
Multiple motor control (MMC) is an operation based on PID control. During an MMC
operation, the main and auxiliary motors organically operate together.
During a PID operation, the auxiliary motors are turned on when the inverter frequency
reaches the start frequencies set at AP1-61–65 (Start freq), and the difference between the
PID reference and feedback is bigger than the value set at AP1-50. Then, the auxiliary
motors stop operating when the operation frequency reach the stop frequency set at AP1-
70–74 (Stop Freq 1–5) and the difference between the PID feedback and reference
becomes greater than the value set at AP1-50.
Group Code Name
LCD Display
Parameter Setting Setting Range
Unit
AP1
61–
65
#1–5 auxiliary
motor start
frequency
Start Freq 1–
5
Frequency value
within the range
Low Freq–
High Freq
Hz
50
Auxiliary
motors
pressure
difference
Actual Pr Diff Percentage value
within the range
0–100 (%)
%
70–
74
#1–5 auxiliary
motor stop
frequency
Stop Freq 1–
5
Frequency value
within the range
Low Freq–
High Freq
Hz
Содержание LSLV0055H100-4COFN
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