
B-63323EN-1/03 1.AXIS CONTROL
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4. Specify the amount of travel per rotation about a rotation axis for
a slave axis in a parameter No. 1260.
5. Make the specification for a dummy axis in the following way.
1816#4, #5, #6 Detection multiplication (DMR)
Set bit 4, bit 5, and bit 6 of No. 1816 to 1 (DMR=4)
1807#3, 1815#1 Whether to use separate detectors.
Although an EGB dummy axis uses the interface of a
separate detector, set these parameters to 0.
1890 Set to 0.
6. If the following parameters are not specified, an alarm (SV0027
servo parameter invalid) may be generated. In such a case, make
the specification as described below.
18XX Specify the same value for both a slave axis and
a dummy axis.
1977, 1978 Flexible feed gear.
Set parameters Nos. 1977 and 1978 to 1 for the
dummy axis.
7. Specify as large a feed-forward coefficient as possible to reduce
the synchronization error.For details of parameter setting, see
Feed-forward setting of Geometric error suppression function in
FANUC AC SERVO MOTOR a Series Parameter Manual (B-
65150).
#7 #6 #5 #4 #3 #2 #1 #0
1004 DSP
*
78 4
9 !
.: !
: !
NOTE
When using the electronic gear box function (EGB), specify 1 for
the dummy axis of the EGB to disable position display.