Data Communication With Pc Program - Mitsubishi Melsec-A Series User Manual

6.
PROGRAMMlNG
/MELSEC
6.3.2 Data communication with PC program
( 1 )
Read and write instructions
(a) Read from AD71
FROM instruction: Also FROMP, DFRO, and DFROP.
[Format]
FROMP n l
n2
n3
D
Symbol
K ,
H
AD71 has been assigned (8.9. 4 when
the
hem3 1 1 0 number is
n l
m i c e
h s x i p t i e n
Upper
2
digits
of
the Bdigit head
110
number to which the
x,
Yo401
n i e r heed
address of
stored date
D
K ,
H
Number
of words to be reed
n3
T.
C. D.
W.
R
He& number of devices to which
data
will be written
Fig. 6.4 Read Instruction FROM
Example: To read one word
from buffer memory address
600
( X axis output speed) to D2 with the AD71 assigned
to X130 to X13F and Y140 to Y14F.
Execution
FROMP
H13
I
K1
D2
K 6 0 0
Fig. 0.5
R d
Example