Omron SYSMAC CS Series User Manual

207
Description of FINS Commands Section 6-3
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).
Note 1. Specify the read start address for the number of ITEMs.
Response format
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.
Response code
Data format Command code Response code Number of
normal
read
ITEMs
Read start
address
Data
length
(byte)
Read data * repeated
02 Hex 40 Hex MRES SRES
Data length
(bytes)
1 1 1 1 2 2 1 --- ---
∗
Response code Meaning
0000 Hex Normal completion
1001 Hex Command length over
• The command length exceeds 2002 bytes.
1002 Hex Insufficient command length
• The command length is less than six bytes.
1003 Hex Number of elements/number of data mismatch
• The number of read start addresses does not match the
number of ITEMs.
1101 Hex No type
• An unusable block address was specified in the parameter
type.
• The block address specified in the parameter type is an
unregistered function block.
• Function blocks other than System Common blocks cannot
be accessed as the RAM has not yet been initialized
(cleared) after a battery failure causes content of RAM to be
lost.
1103 Hex Specified address out-of-range error
• There is not even one ITEM specified by the start address.
110B Hex Response exceeds maximum response length
• The length of the read data section exceeds 968 bytes.
110C Hex Other item parameter error
• Number of ITEMs is 0.

Omron SYSMAC CS Series Specifications

General

Brand	Omron
Model	SYSMAC CS Series
Category	Controller
Language	English