Multiple Memory Area Read: 01 04 - Omron CJ - REFERENCE MANUAL 07-2009 Reference Manual

Communications commands
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FINS Commands
5-3-5

MULTIPLE MEMORY AREA READ: 01 04

Execution Conditions
Command Format
Response Format
Parameters
Comments
Reads in one batch the contents of the specified number of non-consecutive I/
O memory area words, starting from the specified word.
Access right at
other device
OK
RUN mode
OK
01
04
Command
Beginning address
code
I/O memory area code
01
04
Command
End code
code
I/O memory area code
I/O memory area code (command)
Specify the type of data to read.
The memory areas that can be read are given in the following table (I/O Mem-
ory Area Codes). Refer to 5-2-2 I/O Memory Address Designations for the
specific addresses that can be used.
Beginning address (command)
Specify the first word/bit/flag to read.
I/O memory area code, data (response)
Indicates the data type and contents of the designated I/O memory area(s).
The data in the designated memory area(s) will be returned in the sequence
specified by the command.
The number of bytes that can be read for each item depends on the I/O mem-
ory area that is read. For details regarding data configuration, refer to Element
Data Configurations on page 163.
End code (response)
Refer to 5-1-3 End Codes for information on end codes.
The maximum number of elements that can be read with each command
depends on the network as shown in the following table.
Network
Controller Link Ethernet
SYSMAC LINK DeviceNet 89
If nothing is specified after the command code, a normal response will be
returned, but nothing will be read.
If there is an error in the I/O memory area code or beginning address, the I/O
memory area will not be read.
UM read
DIP switch UM
protection
write protection
OK
OK
MONITOR mode
OK
Beginning address
I/O memory area code
Data
I/O memory area code
Maximum number of elements
167
Section 5-3
Network write
protection
OK
PROGRAM mode
OK
Data
177

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