Mitsubishi Electric MELSEC-L02SCPU User Manual page 47

(4) Mechanism of a positioning control system
Positioning control is implemented based on pulses output from the LCPU. In a positioning system, software and
external devices are used to perform the roles shown below.
Parameter setting
Start instruction for the positioning control
such as a JOG operation
Positioning operation monitoring
Programming tool
Error detection
The drive unit ready signal and
zero signal are output to LCPU.
Signals such as a limit signal and
a positioning control switching signal are output.
External signal
LCPU
Pulses are output to the drive unit
by using a programming tool and external command signal.
Drive unit
Motor drive command with pulse commands from the CPU module
Motor
The actual work is performed by the commands
from the drive unit.
Workpiece
CHAPTER 7 POSITIONING FUNCTION
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