Data Transmission Process - Mitsubishi Electric RD77MS2 User Manual

Data transmission process

The data is transmitted between the memories of Simple Motion module with steps (1) to (10) shown below.
*1 The data transmission patterns correspond to the numbers (1) to (10) in the following drawings.
(1) Power supply ON/
CPU module reset
Flash ROM
Parameter area (a)
Parameter area (b)
Parameter area (c)
Positioning data area
(No.1 to 600)
Block start data area
(No.7000 to 7004)
Internal memory
(nonvolatile)
Servo parameter area
12 DATA USED FOR POSITIONING CONTROL
546
12.9 Memory Configuration and Data Process
(4) FROM command
Buffer memory/Internal memory
Block start data area
Servo parameter area
(5) Servo amplifier data read
CPU module
(2) TO command
Simple Motion module
Parameter area (a)
Parameter area (b)
Parameter area (c)
Positioning data area
(No.1 to 600)
(No.7000 to 7004)
Monitor data area
Control data area
PLC CPU memo area
Servo amplifier
(1) Power supply ON/
CPU module reset: Valid
Parameter area (c)
[Pr.96], [Pr.97], [Pr.100]
[Pr.116] to [Pr.119]
[Pr.150] to [Pr.153]
[Pr.800] to [Pr.807]
(2) Valid upon execution of the
TO instruction.
Parameter area (b)
[Pr.8] to [Pr.10]
[Pr.25] to [Pr.42]
[Pr.84]
(3) PLC READY signal
[Y0] OFF → ON: Valid
Parameter area (a)
[Pr.1] to [Pr.7]
[Pr.11] to [Pr.24]
[Pr.43] to [Pr.57]
[Pr.81] to [Pr.83]
[Pr.89] to [Pr.95], [Pr.100]
[Pr.116] to [Pr.119]
[Pr.122], [Pr.123]
[Pr.150], [Pr.151], [Pr.153]