Omron SYSMAC CS1W-LCB01 Operation Manual page 244

Description of FINS Commands
Data format
02 Hex
Data length
(bytes)
Note
Data format Command code Response code Number
02 Hex 42 Hex
Data length 1
(bytes)
210
READ ITEM FROM MULTIPLE FUNCTION BLOCKS
Function
Reads the specified ITEM from multiple function blocks.
Command format
Command code
42 Hex
1 1
1) Number of ITEMs
Specify the number of ITEMs to read.
2) Parameter type
Specify function block addresses 0 to 999 within the range 0 to 03E7 Hex
3) Read start address
Specify ITEM numbers 0 to 999 in the function block specified by parameter
type within the range 0 to 03E7 Hex.
Specifiable ITEMs are all ITEMs in all function blocks excluding the sequence
commands (ITEM011 onwards) in the Step Ladder Program block (Block
Model 301).
1. Specify the parameter type and read start address for the number of
ITEMs.
Response format
MRES SRES
1 1 1
2. When one or more ITEMs has been read correctly, this shall be regarded
as a normal completion. By a normal completion, the number of ITEMs that
were read correctly and the data of the number of ITEMs that were read
correctly (1 to number of ITEMs) are returned as the FINS response.
The length of the read data is expressed in bytes.
3. For details of the data length of each ITEM, refer to the rightmost column
"Data length (bytes)" in the ITEM Lists in Section 2 Description of Function
Blocks in the Function Block Reference Manual.
Number of Parameter type
ITEMs (block address)
2 2
Parame- Read
of ter type start
normal address
read
ITEMs
2 2 2
Section 6-3
Command code
02 42
Read start * repeated
address
2
∗
Data Read * repeated
length data
(byte)
1 ---
∗
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