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Page 13 of 50
CNC 8055 / CNC 8055i
Axes (2) controlled
by a drive
20 Axes (2) controlled by a drive
Until this version, when having 2 axes controlled by a single drive,
the polarity of the analog output (command sign) always
corresponded to that of the main axis.
From this version on, since sometimes the turning direction of the
two axes may be different, the sign of the command for each axis will
taken into account [the one set by a.m.p “LOOPCHG (P26)”].
Warning
21 Mandatory home search
The CNC forces a home search on an axis by setting the relevant
REFPOIN* mark low in the following cases:
•
On CNC power-up
•
After executing SHIFT RESET
•
When the feedback is direct through the axes board and a
feedback alarm occurs.
= M102 ; activates mark M102
;
M101 ; If new program in execution
AND CPS R102 EQ 0 ; and the "S" has not been limited from MDI
= ERR10 ; Error 10: "The S has not been limited from
MDI"
;
M101 ; If new program in execution
AND CPS R102 NE 0 ; and the "S" has been limited from MDI
= MOV R101 R201 ; it copies the number of the program in
execution
= MOV R102 R202 ; and the S limitation from MDI
;
M102 ; If same program in execution
AND CPS R102 NE 0 ; and the "S" is limited again from MDI
= MOV R102 R202 ; it copies the S limitation from MDI
;
M100 ; If program in execution
AND CPS R202 LT R103 ; and "S" limitation from MDI < "S" limitation
from CNC
= CNCWR(R202,PLCSL,M1000) ; Applies "S" limitation from the PLC with the
value set in MDI
;
M100 ; If program in execution
AND CPS R202 GT R103 ; and "S" limitation from MDI > "S" limitation
from CNC
= CNCWR(R210,PLCSL,M1000) ; It does not limit "S" from PLC (R210=0)
;
DFD M100 ; At the end of execution
= CNCWR(R210,PLCSL,M1000) ; it cancels "S" limitation from the PLC
= CNCWR(R210,MDISL,M1000) ; and it resets the MDISL variable
;
END
This new version is not compatible with previous versions.
On machines having axes controlled by a single drive the secondary
axis might run away.
Before installing the new software, make sure that the a.m.p.
"LOOPCHG (P26)" of the associated axis has the same value as that of
the main axis.
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