Mitsubishi Electric MELSEC-Q Series Migration Manual page 288
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Also See for MELSEC-Q Series:
- User manual (834 pages) ,
- Reference manual (674 pages) ,
- Programming manual (624 pages)
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QD75D1 and RD75D2
: Compatible : Partly changed : Incompatible : Not applicable
Item
No. of control axes
Interpolation function
Control system
Control unit
Positioning data
Backup
Positioning
Positioning
system
Positioning
range
Speed
command
Acceleration/
deceleration
process
Acceleration/
deceleration
time
Sudden stop
deceleration
time
8 POSITIONING MODULE AND PULSE I/O MODULE MIGRATION
286
8.2 Comparison of Positioning Module and Pulse I/O Module Specifications
QD75D1
Specifications
1
None
PTP (Point To Point) control, path
control (linear can be set), speed
control, speed-position switching
control, position-speed switching
control
mm, inch, degree, pulse
600 data/axis
Parameters, positioning data, and
block start data can be saved on
the flash ROM (battery-less
backup).
PTP control: Incremental system/absolute system
Speed-position switching control: Incremental system/absolute system
Position-speed switching control: Incremental system
Path control: Incremental system/absolute system
In absolute system
-214748364.8 to 214748364.7m, -21474.83648 to 21474.83647 inch,
0 to 359.99999 degree, -2147483648 to 2147483647 pulse
In incremental system
-214748364.8 to 214748364.7m, -21474.83648 to 21474.83647 inch,
-21474.83648 to 21474.83647 degree, -2147483648 to 2147483647
pulse
In speed-position switching control (INC mode)/position-speed
switching control
0 to 214748364.7m, 0 to 21474.83647 inch, 0 to 21474.83647
degree, 0 to 2147483647 pulse
In speed-position switching control (ABS mode)
0 to 359.99999 degree
0.01 to 20000000.00 mm/min
0.001 to 2000000.000 inch/min
0.001 to 2000000.000 degree/min
1 to 1000000 pulse/s
Trapezoidal acceleration/deceleration, S-curve acceleration/
deceleration
1 to 8388608ms (Four patterns can be set for each of acceleration time
and deceleration time.)
1 to 8388608ms
RD75D2
2
2-axis linear interpolation, 2-axis
circular interpolation
PTP (Point To Point) control, path
control (all of linear and circular
can be set), speed control, speed-
position switching control,
position-speed switching control
The following save destination
can be selected for positioning
data and block start data.
• CPU module
• Flash ROM of the positioning
module (battery-less)
0.01 to 20000000.00 mm/min
0.001 to 2000000.000 inch/min
0.001 to 3000000.000 degree/min
1 to 5000000 pulse/s
Compatibility
Precautions
The number of axes varies.
The timing at which the
backup data is reflected to the
buffer memory is different. To
change the parameters,
positioning data, and block
start data via a program, do it
after confirming that Module
access flag (X1) has turned
on.
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