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MELSEC-A
3 SPECIFICATIONS AND FUNCTIONS
Main functions
Details
Reference
section
Advanced po
sitionin
g control
Block start (Normal start)
With one start, executes the positioning data in a random block
with the set order.
with the set order.
10.3.2
Condition start
Carries out condition judgment set in the "condition data" for
the designated positioning data, and then executes the "start
block data".
When the condition is established, the "start block data" is
executed. When not established, that "start block data" is
ignored, and the next point's "start block data" is executed.
the designated positioning data, and then executes the "start
block data".
When the condition is established, the "start block data" is
executed. When not established, that "start block data" is
ignored, and the next point's "start block data" is executed.
10.3.3
Wait start
Carries out condition judgment set in the "condition data" for
the designated positioning data, and then executes the "start
block data".
When the condition is established, the "start block data" is
executed. When not established, stops the control until the
condition is established. (Waits.)
the designated positioning data, and then executes the "start
block data".
When the condition is established, the "start block data" is
executed. When not established, stops the control until the
condition is established. (Waits.)
10.3.4
Simultaneous start
Simultaneously executes the positioning data having the No.
for the axis designated with the "condition data". (Outputs
pulses at the same timing.)
for the axis designated with the "condition data". (Outputs
pulses at the same timing.)
10.3.5
Stop
Stops the positioning operation.
10.3.6
Repeated start (FOR loop)
Repeats the program from the start block data set with the
"FOR loop" to the start block data set in "NEXT" for the
designated No. of times.
"FOR loop" to the start block data set in "NEXT" for the
designated No. of times.
10.3.7
Repeated start (FOR condition)
Repeats the program from the start block data set with the
"FOR condition" to the start block data set in "NEXT" until the
conditions set in the "condition data" are established.
"FOR condition" to the start block data set in "NEXT" until the
conditions set in the "condition data" are established.
10.3.8
Manual
control
JOG operation
Outputs a pulse to the drive unit while the JOG start signal is
ON.
ON.
11.2
Manual pulse generator operation
Outputs the pulses commanded with the manual pulse
generator to the drive unit. (Carry out fine adjustment, etc., at
the pulse level.)
generator to the drive unit. (Carry out fine adjustment, etc., at
the pulse level.)
11.3
With the "main positioning control" ("advanced positioning control"), whether or not to
continuously execute the positioning data can be set with the "operation pattern".
Outlines of the "operation patterns" are given below.
continuously execute the positioning data can be set with the "operation pattern".
Outlines of the "operation patterns" are given below.
Da.1 Operation pattern
Details
Reference
section
Independent positioning control
(positioning complete)
(positioning complete)
When "independent positioning control" is set for the operation
pattern of the started positioning data, only the designated
positioning data will be executed, and then the positioning will
end.
pattern of the started positioning data, only the designated
positioning data will be executed, and then the positioning will
end.
9.1.2
Continuous positioning control
When "continuous positioning control" is set for the operation
pattern of the started positioning data, after the designated
positioning data is executed, the program will stop once, and
then the next following positioning data will be executed.
pattern of the started positioning data, after the designated
positioning data is executed, the program will stop once, and
then the next following positioning data will be executed.
Continuous path control
When "continuous path control" is set for the operation pattern
of the started positioning data, the designated positioning data
will be executed, and then without decelerating, the next
following positioning data will be executed.
of the started positioning data, the designated positioning data
will be executed, and then without decelerating, the next
following positioning data will be executed.