Mitsubishi MELSEC-A series - Data Communication with PC Program

6. PROGRAMMlNG /MELSEC-A
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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 nl n2
n3
D
Symbol
K, H
AD71 has been assigned (8.9. 4 when the hem3 110 number is
nl
mice
hsxiptien
Upper 2 digits of the Bdigit head 110 number to which the
x, Yo401
nier 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
K600
Fig. 0.5 Rd Example