Mitsubishi Electric QD77MS User Manual page 433

QD77MS
power ON
Servo parameter of
buffer memory/internal
Indefinite value
memory
Communication
operation status with
Communication invalid
servo amplifier
Md.26 Axis operation
0 (Standby)
status
Fig. 7.1 When the servo amplifier had started before the system's power supply ON
(1) When the servo amplifier's power supply is turned ON before the system's
power supply ON.
(a) When the servo parameter "[Pr.100] Servo series"
internal memory (nonvolatile).
Communication start timing to the servo amplifier: Initialization completion
Transfer the servo parameter
Buffer memory/ Initialization
internal memory
completion
data setting of QD77MS (A)
Transfer the servo parameter at this point to the servo amplifier
20 (Servo amplifier has not been connected/servo amplifier power OFF)
(The servo series of internal memory (nonvolatile) is set.)
(b) When the servo parameter "[Pr.100] Servo series" = "0" is stored in the
internal memory (nonvolatile).
Communication start timing to the servo amplifier: The data written from
Transfer the servo parameter
Chapter 7 Memory Configuration and Data Process
Value of internal memory (nonvolatile)
Communication start (Axis connection)
7 - 17
"0" is stored in the
(Fig. 7.1 (A))
: The data stored (backed
up) in the internal
memory (nonvolatile).
Axis connection completion
During
communication
21 (Servo OFF)
sequence program
before the PLC READY
signal [Y0] ON (Fig. 7.2
(B)).
: The data written from
sequence program/
GX Works2 before the
PLC READY signal [Y0]
ON (Fig. 7.2 (A)).