NCT 90 - Page 35

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D431 ;y is on referenece switch
Z
(I007AI005) ;limit switches of Z axis are considered as
;reference point switches
U432 ;Z is not on referenece switch
E
D432 ;z is on referenece switch
Z
J1 ;end of module 001
2nd level PLC modul
:000
C004 ;calling the initialization modul
:100 ;in case of emergency state or after
turning ;the machine on
(NM0ANY007) ;time elapsed between two lubrications
(timer ;M0) and the lubrication has not been
started
LRP002
=0 ;if parameter CONST2=0 no lubrication
E
U007 ;lubrication pump on
SH0 ;stores CONST2 into H0 timer (lubrication
;time)
Z
Z
(NH0AY007) ;lubrication time elapsed (timer H0)
and pump ;is on
D007 ;pump off
LRP001 ;loads CONST1 into OP register
SM0 ;stores OP into M0 timer (time between two
;lubrications)
Z
Y405 ;tests emergency state flag
G000 ;if emergency state -> initialization
E
G100 ;no emergency state, goes to module
:100
Z
J0 ;end of module :000
Emergency state module
:003
U405 ;sets emergency state flag (PLC -> NC)
D400 ;resets machine on flag (PLC -> NC)
0
SY00 ;turns off all outputs
SY02 ;(Y000 - Y037)
D452 ;turns off spindle command signal
relay