
6. INTERPOLATION FUNCTION
B–63523EN–1/03
730
COF In spindle–spindle polygon turning mode, phase control is:
0: Used.
1: Not used.
CAUTION
When the use of phase control is not selected, the steady
state is reached in a shorter time because phase
synchronization control is not applied. Once steady rotation
is achieved, however, polygonal turning must be completed
without changing the steady state. (If the rotation is
stopped, or the rotational speed altered, polygonal turning
is disabled because of the inevitable phase shift.)
Setting this parameter to 1 does not issue an alarm on the
R command (phase command) in the same block as the
G51.2. It is only ignored.
#7
PST7603
#6 #5
RDG
#4 #3 #2 #1
QDR
#0
RPL
[Data type] Bit
RPL Upon reset, spindle–spindle polygon turning mode is:
0 : Released.
1 : Not released.
QDR The rotational direction of the polygon synchronization axis:
0 : Depends on the sign (+/*) of a specified value for Q.
1 : Depends on the rotational direction of the first spindle. (If * is spe-
cified for Q, P/S alarm No. 218 is issued.)
RDG On the diagnosis screen No. 476, for spindle–spindle polygon phase
command value (R), displays:
0 : The specified value (in the increment system for the rotation axis).
1 : The actual number of shift pulses.
NOTE
A phase command is specified in address R, in units of
degrees. For control, the actual shift amount is converted
to a number of pulses according to the conversion formula:
360 degrees = 4096 pulses. This parameter switches the
display of a specified value to that of a converted value.
PST The polygon spindle stop signal *PLSST (bit 0 of G038) is:
0 : Not used.
1 : Used.