2.8 Communications with an OMRON PLC (FINS Communications Service)
Message Functions
2-234
Remote Station Register Type (PARAM16)
This parameter is not used for the FINS protocol.
Data Size (PARAM17)
Set the data size for the read/write request as the number of bits or words.
Be sure that the last data address that is determined by the offset, data address, and data size does not
exceed the valid data address range.
The range that is allowed for the data size depends on the function code and data area.
Note: Bits are read and written in words. The data size is specified in units of 16 bits (16, 32, 48, ...).
Remote CPU Module Number (PARAM18)
This parameter is not used for the FINS protocol.
Reserved for System (PARAM19)
This parameter is used by the system.
Local Station Data Address (PARAM20 and PARAM21)
Set the address of the read data destination or write data source in the MP3000-series Controller.
The address is set as the word offset from address 0.
MEMOBUS
Function
Code
FINS Command Code
Function
Data Size
Setting Range
MR SR
I/O Memory
Type
01 hex 01 hex 01 hex
B0 hex Reads CIO Area words. 16 to 2,000 bits
B1 hex Reads Work Area words. 16 to 2,000 bits
B2 hex Reads Holding Area words. 16 to 2,000 bits
01 hex 01 hex 01 hex B3 hex Reads Auxiliary Area words. 16 to 2,000 bits
03 hex 01 hex 01 hex 82 hex Reads DM Area words. 1 to 125 words
09 hex 01 hex 01 hex 82 hex Reads DM Area words. 1 to 999 words
0F hex 01 hex 02 hex
B0 hex Writes to CIO Area words. 16 to 800 bits
B1 hex Writes to Work Area words. 16 to 800 bits
B2 hex Writes to Holding Area words. 16 to 800 bits
B3 hex Writes to Auxiliary Area words. 16 to 800 bits
0B hex 01 hex 02 hex 82 hex Writes to DM Area words. 1 to 996 words
10 hex 01 hex 02 hex 82 hex Writes to DM Area words. 1 to 100 words
0D hex 01 hex 04 hex 82 hex
Reads non-consecutive words from the DM
Area.
1 to 167 words
Do not change the value of PARAM19 from a user program or by any other means.
To Next Page
Loading...
