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Chapter 7 buffer read/write instructions – LG G4F-AD3A User Manual

Page 57

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Chapter 7 Buffer read/write instructions

7 - 2

- In the following cases, operation error occurs;

a) Special function module is not founded at the slot number specified at ‘n1’

b) The value of ‘n2’ is greater than 512, or [ D + n2 ] is exceeds the range of specified

device.

- Execution conditions

Input condition

GET

GETP

2) Program example

- Program that reads address 14, 15 of buffer memory of the A/D module (G4F-AD3A)

mounted at the slot 3, and stores them to the D0014, D0015 of CPU module.

- Program that reads a ddress 09, 10 of buffer memory of the A/D module (G6F-AD2A) mounted

at the slot 3, and stores them to the D0014, D0015 of CPU module.

G4F -AD3A

(G6F-AD2A)

Buffer memory

of A/D module

CPU module

12 (07)

D0012

13 (08)

D0013

14 (09)

2001

D0014

2001

15 (10)

1999

2 words

D0015

1999

2 words

16 (11)

D0016

Executed per scan

Executed per scan

Executed only once

Executed only once

GET 00003 00014 D0014 00002

Input

condition

GET 00003 00009 D0014 00002

Input

condition

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