Справочник Пользователя для Mitsubishi Electronics QD75D
Appendix - 67
MELSEC-Q
APPENDICES
(6) Input/output signal comparisons
Input signal comparisons
A1SD75
QD75
Name
Logic (initial status)
Logic switch with
parameters
Logic (initial status)
Logic switch with
parameters
Drive unit READY
Negative logic
Not possible
Negative logic
Possible
In-position signal
Negative logic
Not possible
–
–
Zero signal
Negative logic
Not possible
Negative logic
Possible
Manual pulse generator A phase
Manual pulse generator B phase
1
Negative logic
(multiple of 4)
Not possible
Negative logic
(multiple of 4)
Possible
Near-point signal
Negative logic
Not possible
Negative logic
Possible
Stop signal
Negative logic
Not possible
Negative logic
Possible
Upper limit
Negative logic
Not possible
Negative logic
Possible
Lower limit
Negative logic
Not possible
Negative logic
Possible
External start
2
Negative logic
Not possible
Negative logic
Possible
Speed-position switching signal
2
Negative logic
Not possible
Negative logic
Possible
Output signal comparisons
A1SD75
QD75
Name
Logic (initial status)
Logic switch with
parameters
Logic (initial status)
Logic switch with
parameters
Command pulse
3
Positive logic
CW/CCW mode
Possible
Negative logic
CW/CCW mode
Possible
Deviation counter clear
Negative logic
Not possible
Negative logic
Possible
1: Comparisons about manual pulse generator A phase/B phase
A1SD75
QD75
No. of connectable manual pulse
generators
1 generator/1 axis
1 generator/1 module
Mode selection (with parameter)
Not possible
Possible
Multiple of 1 mode, multiple of 4 mode,
PULSE/SIGN mode
2: With the QD75, the "external start signal" and "speed-position switching signal" are combined into the "external command signal".
3: Comparisons about command pulse
A1SD75
QD75
Mode selection (with parameter)
PULSE/SIGN mode, A phase/B phase (multiple of 4) mode,
A phase/B phase (multiple of 1) mode, CW/CCW mode
Max. command frequency
Open collector: 200kpps
Differential driver: 400kpps
Open collector: 200kpps
Differential driver: 1Mpps