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Control Mode Changing (mc Signal): Pr. 180 To Pr. 183, Pr. 187 Setting "26; Torque Restriction Selection (tl Signal): Pr. 180 To Pr. 183, Pr. 187 Setting "27; Start Time Tuning (x28 Signal): Pr. 180 To Pr. 183, Pr. 187 Setting "28; Torque Bias Selection 1 (x42 Signal): Pr. 180 To Pr. 183, Pr. 187 Setting "42 - Mitsubishi Electric FR-V560 Instruction Manual

Vector inverter.
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How to use the input signals
(assigned terminals DI1 to DI4, STR)
1.11.14 Control mode changing (MC signal):
By setting Pr. 800 "control system selection", change the control mode between speed, torque and position. Refer
to page 182 for details.
1.11.15 Torque restriction selection (TL signal):
By setting Pr. 815 "torque restriction level 2", you can change the torque restriction value. Refer to the Instruction
Manual (basic) for details.
1.11.16 Start time tuning (X28 signal):
You can perform online tuning before turning on (during stop) the start signals (STF, STR) to prevent a start time
delay due to tuning.
POINT
• Perform offline auto tuning (page 132) and set "1" in Pr. 95 (start time tuning).
• You can perform start time tuning by X28 signal when the Y39 signal is off.
• It takes 500ms maximum for start time tuning to complete.
Start time tunig
Start signal
REMARKS
• Start time tuning is also performed with the LX signal on and a start signal by the speed command less than the starting
speed (e.g. zero speed command) on.
• The Y39 signal is kept on while the second magnetic flux remains after a motor stop.
• The X28 signal is not made valid while the Y39 signal is on.
• The STF, STR and LX signals are made valid after completion of start time tuning.
• During tuning, only the output signals below are valid IPF, THP, PU, Y12, RY, ER, LF, MT, DA1, DA2, ABC.
• Invalid during V/F control.
1.11.17 Torque bias selection 1 (X42 signal):
Torque bias selection 2 (X43 signal):
When using the torque bias function, you can combine the on/off of the X42 and X43 signals to select the torque
bias amount. Refer to page 189 for details.
Related parameters
Pr. 840 "torque bias selection", Pr. 841 "torque bias 1", Pr. 842 "torque bias 2", Pr. 843 "torque bias 3", Pr. 844 "torque bias filter", Pr.
845 "torque bias operation time", Pr. 846 "torque bias balance compensation", Pr. 847 "fall-time torque bias No. 3 bias", Pr. 848 "fall-
time torque bias No. 3 gain" (Refer to page 189.)
Pr. 180 to Pr. 183, Pr. 187 setting
Speed
(r/min)
ON
X28 signal
In execution
Completion
Y39 signal
Pr. 180 to Pr. 183, Pr. 187 setting
Pr. 180 to Pr. 183, Pr. 187 setting
Pr. 180 to Pr. 183, Pr. 187 setting
Pr. 180 to Pr. 183, Pr. 187 setting
36
"26"
"27"
"28"
Time(h)
"42"
"43"

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