1062
7 APPLICATION INSTRUCTIONS
7.27 Module Access Instructions
Operation error
• If refresh settings are not made for the refresh area of the read/write enabled area in the CPU buffer
memory, the area can be used as a read/write specifiable area. Even when refresh settings are made, the
area can be used as a read/write specifiable area in the reference send range and later.
• A CPU buffer memory access device can be used to write data to the CPU buffer memory. (
MELSEC
iQ-R CPU Module User's Manual (Application))
• The TO(P) and DTO(P) instructions can write data to the buffer memory address with a capacity exceeding
64K.
Error code
(SD0)
Description
2820H
The module with the I/O number specified by (U) does not have buffer memory.
2823H
The module with the I/O number specified by (H) does not have buffer memory.
The address specified by (s1) is outside the range of buffer memory or CPU buffer memory.
The (n) points of data starting from the address specified by (s1) are not within the range of buffer memory or CPU buffer memory.
(TOD(P) instruction)
The 2
(n) points of data from the address specified by (s1) is outside the range of buffer memory or CPU buffer memory. (DTOD(P)
instruction)
0
2048
524287
Refresh area
System area
Read/write enabled
Summary of Contents for MELSEC iQ-R Series
Page 1: ...MELSEC iQ R Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 24: ...22 INDEX 2092 INSTRUCTION INDEX 2093 REVISIONS 2104 WARRANTY 2105 TRADEMARKS 2106 ...
Page 34: ...32 MEMO ...
Page 35: ...33 PART 1 PART 1 OVERVIEW This part consists of the following chapter 1 OVERVIEW ...
Page 68: ...66 1 OVERVIEW 1 5 Precautions on Programming MEMO ...
Page 1448: ...1446 14 REDUNDANT SYSTEM INSTRUCTIONS 14 2 Disabling Enabling System Switching MEMO ...
Page 1972: ...1970 33 TIME DATA TYPE FUNCTIONS 33 4 Division MEMO ...
Page 2067: ...APPX Appendix 5 PID Control Program Examples 2065 A 252 Set PID control data for loop 2 ...
Page 2109: ......