2.8 Communications with an OMRON PLC (FINS Communications Service)
Message Functions
2-246
Data Address (PARAM14 and PARAM15)
These parameters give the data address that was requested by the remote station.
The type of device and device range determine the data area.
Register Type (PARAM16)
This parameter is not used for the FINS protocol.
Data Size (PARAM17)
This parameter gives the data size as the number of bits or words for read/write requests from the remote
station.
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.
Bit Conversion Table
Data Area Address Range Notation
Function Code
Data Address
Setting Range
Corresponding
Register
Addresses
CIO Area 0000 to 2047 Decimal 01 and 0F hex: Coils 0 to 32767
MB000000 to
MB02047F
Work Area W000 to W511 Decimal 01 and 0F hex: Coils 32768 to 40959
MB020480 to
MB02559F
Holding Bits H00000 to H51115 Decimal 01 and 0F hex: Coils 40960 to 49151
MB025600 to
MB03071F
Auxiliary Bits
A000 to A447
(read only)
A448 to A959
(read/write)
Decimal 01 and 0F hex: Coils
49152 to 56319
56320 to 64511
MB030720 to
MB03519F
MB035200 to
MB04031F
DM Area Conversion Table
Data Area Address Range Notation Function Code
Data Address
Setting Range
Corresponding
Register
Addresses
DM Area D00000 to D32767 Decimal
03, 09, 0B, 0D, and 10
hex: Hold registers
0 to 32767
MW00000 to
MW32767
Do not change the value of PARAM19 from a user program or by any other means.
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