206
FINS Commands for Loop Controllers Section 6-2
For details, refer to the Communications Command Reference Manual (Cat.
No. W342).
6-2 FINS Commands for Loop Controllers
Note All of the following data are expressed in Hex in FINS commands issued to
the Loop Controller:
Function block address, ITEM number (address), number of ITEMs, number
of bytes, write data, etc.
6-3 Description of FINS Commands
This section describes the command and response formats for FINS com-
mands issued to the Loop Controller.
Function
Reads multiple ITEMs from a single function block.
Command format
1) Parameter type
Specify function block addresses 0 to 999 within the range 0 to 03E7 Hex.
2) Number of ITEMs
Specify the number of ITEMs to be read from the specified function block.
Command
(Hex)
Name Description
0240 READ MULTIPLE ITEMS
FROM FUNCTION BLOCK
Reads specified continuous (multi-
ple) ITEMs from a single function
block.
Note Specifiable ITEMs are all ITEMs
in all blocks excluding the
sequence commands (ITEM011
onwards) of the Step Ladder
Program block (Block Model
301).
0241 WRITE MULTIPLE ITEMS
TO FUNCTION BLOCK
Writes specified continuous (multi-
ple) ITEMs to a single function
block.
0242 READ ITEM FROM MULTI-
PLE FUNCTION BLOCKS
Reads specified ITEM from multi-
ple function blocks.
0243 WRITE ITEM TO MULTI-
PLE FUNCTION BLOCKS
Writes specified ITEM to multiple
function blocks.
0501 READ LOOP CONTROL-
LER INFORMATION
Reads the format and version information of the Loop Controller.
0801 ECHOBACK TEST Performs the echoback test between Loop Controller.
2102 READ ERROR LOG Reads the error log in the Loop Controller.
2103 CLEAR ERROR LOG Clears the error log in the Loop Controller.
2203 SINGLE FILE WRITE Replaces the function block data in the Loop Controller.
READ MULTIPLE ITEMS FROM FUNCTION BLOCK Command code
02 40
Data format Command code Parameter type
(block address)
Number of
ITEMs
Read start
address
* repeated
02 Hex 40 Hex
Data length
(bytes)
1 1 2 2 2 ---
∗
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