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Chapter 7 Buffer read/write instructions
7 - 7
- 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
PUT
PUTP
2) Program example
- Program that write 3 words of D0049 ~ D0051 of CPU module to the address 02 ~ 04 of
buffer memory of the A/D module mounted at the slot 3.
Buffer memory
of A/D module
CPU module
01
D0048
02
h0003
D0049
h0003
03
h0020
D0050
h0020
04
h0020
3 words
D0051
h0020
3 words
05
D0052
Executed per scan Executed per scan
Executed only once Executed only once
PUTP 00003 00002 D0049 00003
Input
condition