Mitsubishi Electric MELSEC-Q-MR-JE-C, Reference Manual

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3 FB LIBRARY
3.1 Function Overview of the FB Library
21
3
Unit
The following table lists the units used in this FB library.
• Select degree or pulse as the control unit with the parameter (PT01) of the servo amplifier.
• For the real-type data, when a value whose number of decimal places exceeds the number of significant
digits is input in each unit, the value is rounded off.
(Example) When an input value of an FB is 123.456789, the value after being rounded off is 123.45679.
Item Description
Control unit degree, pulse
Positioning range • -360000 to 360000 (

10
-3
degree)
• -999999 to 999999 (pulse)
Velocity command 0.00 to 167772.15 (r/min)
Set a value within the permissible speed of the servo motor.
Acceleration/
deceleration time
Position control
0 to 20000 (ms)
Velocity control
0 to 50000 (ms)