
01
Ed.
1999.08.03
Date
S.Hanyu
Name
Newly designed
Detail of modification
Subject
Spec.
Signal processing and parameter setting
for Machine Protection Function
at Power Failure
B-65162E/03-10
FANUC LTD
Page
7/ 7
2 -2 Spindle axes stop control at power failure
Set the spindle control signal *ESPA (*ESPB) to “0” when Power failure detection signal (*PFL)
changes from “1” to “0”.
Detect power failure
*PFL
*ESPA
(*ESPB)
*PFL: Power failure detection signal.
Output from the connector CX16 on Power Failure Backup Module.
*ESPA: 1st spindle emergency stop signal (spindle control DI signal)
*ESPB: 2nd spindle emergency stop signal (spindle control DI signal)
Signal address
CNC *ESPA *ESPB
FS15i,FS15-B G226 #1 G234 #1
FS16i /18i /16/18 (path 1)
FS20/21
G071 #1 G075 #1
FS16i /18i /16TT/16MM/18TT (path 2) G1071 #1 G1075 #1
FS0-MC/TC, FS0-TTC head 1 G230 #1 G234 #1
FS0-TTC head 2 G1430 #1 G1434 #1