Fins Commands For Loop Controllers; Description Of Fins Commands - Omron SYSMAC CS Series Operation Manual

FINS Commands for Loop Controllers

6-2 FINS Commands for Loop Controllers
Command
(Hex)
0240 READ MULTIPLE ITEMS
FROM FUNCTION BLOCK
0241 WRITE MULTIPLE ITEMS
TO FUNCTION BLOCK
0242 READ ITEM FROM MULTI-
PLE FUNCTION BLOCKS
0243 WRITE ITEM TO MULTI-
PLE FUNCTION BLOCKS
0501 READ LOOP CONTROL-
LER INFORMATION
0801 ECHOBACK TEST
2102 READ ERROR LOG
2103 CLEAR ERROR LOG
2203 SINGLE FILE WRITE
Note
6-3

Description of FINS Commands

Data format
02 Hex
Data length
(bytes)
206
For details, refer to the Communications Command Reference Manual (Cat.
No. W342).
Name
Reads specified continuous (multi-
ple) ITEMs from a single function
block.
Writes specified continuous (multi-
ple) ITEMs to a single function
block.
Reads specified ITEM from multi-
ple function blocks.
Writes specified ITEM to multiple
function blocks.
Reads the format and version information of the Loop Controller.
Performs the echoback test between Loop Controller.
Reads the error log in the Loop Controller.
Clears the error log in the Loop Controller.
Replaces the function block data in the Loop Controller.
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.
This section describes the command and response formats for FINS com-
mands issued to the Loop Controller.
READ MULTIPLE ITEMS FROM FUNCTION BLOCK
Function
Reads multiple ITEMs from a single function block.
Command format
Command code Parameter type
(block address)
40 Hex
1 1
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.
Description
Note Specifiable ITEMs are all ITEMs
Number of
ITEMs
2 2
Section 6-2
in all blocks excluding the
sequence commands (ITEM011
onwards) of the Step Ladder
Program block (Block Model
301).
Command code
02 40
Read start * repeated
address
2 ---