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Write request
■Address
Name
Write request
■Description
After setting Write start address (remote buffer memory address: 1200H, 1201H) and the write size (remote buffer memory
address: 1202H), set this remote buffer memory to Requested (1H). The value of the write data (remote buffer memory
address: 1204H to 1383H) will be stored in the set FPGA register. If the write processing is completed successfully, No
request/Completed successfully (0H) is indicated. When the write processing is completed with an error, Completed with an
error (-1) is indicated.
■Setting range
• 1: Requested
• 0: No request/Completed successfully (default)
• -1: Completed with an error
The set value outside the setting range will be ignored.
Write data
■Address
Name
Write data 0 to Write data 383
■Description
Sets the value to write to the FPGA register.
Read start address
■Address
Name
Read start address
■Description
Sets the start address of the FPGA register to be read. The read value is stored in Read data (remote buffer memory
address: 1404H to 1583H).
For the readable range, refer to the following.
Page 324 Method using remote buffer memory
• When an odd-numbered FPGA register address or an FPGA register address outside the setting range is
set and Read request (remote buffer memory address: 1403H) is set to Requested (1), Read start address
out-of-range error (error code: 1102H) is stored in the latest error code (RWr0), and Error flag (RXA) turns
on. At this time, the FPGA register is not read.
• The remote buffer memory is word-addressed, and FPGA register is byte-addressed. Therefore, the FPGA
register stores one piece of information in a 2-byte area.
APPX
498
Appendix 3 Remote Buffer Memory
Remote buffer memory address
1203H
Remote buffer memory address
1204H to 1383H
Remote buffer memory address
1400H, 1401H
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Table of Contents
Troubleshooting
