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330
Command Details
Section 6-3
Note
(1) Word data is extended to long word data with a sign in the MC Unit.
(2) The actual value is determined by the setting value of the parameter
[P5AA02: Position command decimal point position].
(3) There is no influence. INC specification is always used.
(4) Figures below the decimal point are to be omitted.
(5) There is no influence. ABL specification is always used.
Description
• Synchronization proceeds in the order described below:
1. The slave axis will wait for the marker sensor signal after the execution
is started. (It waits for the marker sensor signal input to the master ax-
is.)
2. The slave axis will start trailing operation when the marker sensor sig-
nal is input. The trailing operation will be completed once the slave axis
synchronizes with the position of the master axis (Marker sensor ON
po catch-up position offset).
3. The slave axis is operated synchronizing with the master axis in the ra-
tio of 1 to 1.
• Catch-up position offset is specified as the distance from Marker sensor
ON position on the coordinate system of the slave axis.
• Marker sensor ON position is specified as the position on the coordinate
system of the slave axis.
• If the speed in synchronization exceeds the speed specified in the param-
eter [P2AA01: Maximum rapid feed rate], the alarm [3011h: Synchroniz-
ing slave axis excessive speed] will occur.
• Master axis classification determines whether to synchronize the slave
axis with the master axis command value or feedback value.
• SYNC command execution will be completed when the trailing operation
is completed and the synchronization is established.
• During the command execution, the command code “0018h” is output to
the system variable “Command execution status” (SW0228 for Axis 1).
(For details of command codes, see
Code in Command Execution Status
Operand
Setting range
Decimal
Variable specification
INC/ ABL
influ-
ence
Bit
Word
Long
word
Real
number
Indirect
specifi-
cation
Catch-up position
offset
−
2147483648 to
2147483647
Yes
No
Yes (See
note 1.)
Yes
Yes (See
note 2.)
Yes
No (See
note 3.)
Marker sensor ON
position
−
2147483648 to
2147483647
Yes
No
Yes (See
note 1.)
Yes
Yes (See
note 2.)
Yes
No (See
note 5.)
Master axis classifi-
cation
0 or 1
No
No
Yes (See
note 1.)
Yes
Yes (See
note 4.)
Yes
No
Master axis
classification
Master axis value to
synchronize with
0 or omitted
Command value
1
Feedback value
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