Appendix 5 Differences; Appendix 5.1 Differences With Virtual Mode Switching Method - Mitsubishi Electric Q173DSCPU Programming Manual

APPENDICES

APPENDIX 5 Differences

APPENDIX 5.1 Differences with virtual mode switching method

Table 5.1 Differences between virtual mode switching method and advanced synchronous
control method
Item
Starting method
General
Stopping method
Number of settings
per output axis
Virtual servo motor
axis
(Command
generation axis)
Servo input axis
Drive module
Synchronous
encoder axis
Differences between virtual mode switching method and advanced synchronous
control method are shown in Table 5.1 below.
Virtual mode switching method
The whole system is switched to the virtual mode
by turning ON the real/virtual mode switching
request bit.
The whole system is switched to the real mode
by turning OFF the real/virtual mode switching
request bit.
Total 3 axes of main shaft (2 axes) and auxiliary
input (1 axis)
• Virtual servo motor axis
Q173DSCPU: 32 axes
Q172DSCPU: 16 axes
• Command unit
PLS
None
Incremental/Absolute synchronous encoder (12
axes)
• Axis No.
The axis 1 to axis 12 corresponds to P1 to P12.
1) Incremental synchronous encoder
Built-in interface in Motion CPU :4MPLS/s
Q173DPX
2) Absolute synchronous encoder
Q172DEX: Connection to Q171ENC-W8
• Command unit
PLS
The control is started for each axis by turning ON
the synchronous control start bit for each axis.
The control is stopped for each axis by turning
OFF the synchronous control start bit of each
axis.
Total 3 axes of main shaft (2 axes) and auxiliary
input (1 axis)
• Command generation axis
Q173DSCPU: 32 axes
Q172DSCPU: 16 axes
• Command unit
mm, inch, degree, PLS
Use the servo amplifier as the drive module
(input axis).
• Command units
mm, inch, degree, PLS
Incremental/Absolute/Via device synchronous
encoder (12 axes)
• Axis No.
Input encoder of axis 1 to axis 12 is separately
set.
1) Incremental synchronous encoder
2) Absolute synchronous encoder
: 200kPLS/s
3) Via device synchronous encoder
• Command units
mm, inch, degree, PLS
• The current value per cycle: Provided
• Smoothing: Provided
• Phase compensation: Provided
• Rotation direction restriction: Provided
APP - 43
Advanced synchronous control method
Built-in interface in Motion CPU :4MPLS/s
Q173DPX
Q172DEX: Connection to Q171ENC-W8
Encoder value is loaded via device.
: 200kPLS/s