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APPENDIX
Appendix 4 Comparisons with conventional positioning module
Appendix 4.1 Comparisons with type QD70P positioning module
Item
Pulse output method
Pulse output mode
Speed command value
S-curve acceleration/deceleration function
OPR retry function
Speed change function
Target position change function
Arbitrary positioning data setting for start
* When "Continuous positioning control" or "Continuous path control" is selected for the operation pattern, S-curve
acceleration/deceleration is not available.
App - 10
Model
QD70D
Differential output
CW/CCW mode
PULSE/SIGN mode
A phase/B phase mode (multiple of 1)
A phase/B phase mode (multiple of 4)
0 to 4000000 pps
Available in the following controls:
• Positioning control with the operation
pattern set to Positioning termination
• Speed control in the speed-position
switching control
• JOG operation
Setting a positioning No. (1 to 10) of any
desired positioning data for "Start method"
enables the system to start the operation
from any given number.
*
Available in the following controls:
• Speed control in the speed-position
switching control
• JOG operation:
Always starts from positioning data No.1.
MELSEC-Q
QD70P
Open callector output
CW/CCW mode
PULSE/SIGN mode
0 to 200000 pps
App - 10
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