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Appendix 5
(1) Specification comparison
The following table compares specifications of the LD75 and QD75. Specifications not listed below are the same
as the QD75. Recognized programs for the QD75 or external interfaces (cables) can be used for the LD75.
Item
Max. output pulse
Speed command (unit: pulse)
Starting time (1-axis linear control)
Current feed value
Monitor data refreshing
Other axis monitors
cycle
(except external I/O
signals)
Manual pulse generator 1 pulse input magnification
Applicable wire size for differential driver common
terminal
(2) Precautions for utilizing programs
For utilizing programs which have been used in Q series systems in the L series, refer to the precautions when
utilizing programs, described in the following manual.
MELSEC-L CPU Module User's Manual (Function Explanation, Program Fundamentals)
Differences with Q Series
QD75P/D
1Mpulse/s (differential)
1 to 1000000pulse/s
Trapezoidal
acceleration/deceleration: 6ms
S-curve
acceleration/deceleration: 6.5ms
1.8ms
56.8ms
1 to 100
0.24 to 2.5
(24 to 12AWG)
QD75PN/DN
4Mpulse/s (differential)
4Mpulse/s (differential)
1 to 4000000pulse/s
1 to 4000000pulse/s
Trapezoidal
Trapezoidal
acceleration/deceleration: 1.5ms
acceleration/deceleration: 1.5ms
S-curve
S-curve
acceleration/deceleration: 1.6ms
acceleration/deceleration: 1.6ms
0.9ms
0.9ms
0.9ms
0.9ms
1 to 1000
1 to 1000
0.24 to 2.5
0.3 to 1.25
(24 to 12AWG)
(22 to 16AWG)
APPENDICES
A
LD75
735
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