Mitsubishi Electric Q172DSCPU, Programming Manual

Page: 168 / 312

7 - 29
7 SYNCHRONOUS CONTROL
(d) Clutch command trailing edge
The clutch is turned ON when the clutch command passes the trailing edge
(from ON to OFF).
t
Travel value after clutch
Current value before clutch
Clutch ON/OFF status
Clutch command
ON
OFF
OFF
ON
t
(e) Address mode
The clutch is turned ON when the reference address reaches "Clutch ON
address".
The travel value after passing through the ON address is calculated as the
output travel value of the clutch based on the reference address passing
through, thereby controlling the clutch with an accurate travel value.
t
Travel value after clutch
Clutch ON/OFF status
Clutch ON address
Current value specified in
clutch reference address
setting
t
OFF
ON
Item Main shaft clutch Auxiliary shaft clutch
Reference
address
The current value specified in [Pr.406]
Main shaft clutch reference address
setting (150n)
([Md.400] Current value after composite
main shaft gear (30n,
30n) or [Md.401] Current value
per cycle after main shaft gear
(30n, 30n)) The current value specified in [Pr.423]
Auxiliary shaft clutch reference address
setting (150n)
(Auxiliary shaft current value (servo input
axis current value/synchronous encoder
axis current value) or [Md.402] Current
value per cycle after auxiliary shaft gear
(30n, 30n))
Clutch ON
address
[Pr.407] Main shaft clutch ON address
(150n, 150n)
[Pr.424] Auxiliary shaft clutch ON address
(150n, 150n)
Clutch ON/OFF
status
[St.420] Main shaft clutch ON/OFF status
(10n)
[St.423] Auxiliary shaft clutch ON/OFF
status (10n)