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Designating Command Parameters Section 5-2
Examples
Number of Elements for
I/O MEMORY AREA READ
(0101) and I/O MEMORY
AREA WRITE (0102)
The maximum number of elements that can be specified for reading or writing
with I/O MEMORY AREA READ (0101) and I/O MEMORY AREA WRITE
(0102) depends on the network that must be passed through.
If more than one network is passed through to read or write data, the value for
the network with the smallest limit will apply.
Volume Labels and File
Names
Volume labels are names registered in file memory. File names consist of 12
bytes, as shown below. Be sure to follow this configuration when designating
a file name by means of command parameters.
Start the file name and extension in the most-significant bytes respectively
and then fill in any unused bytes with 20 hex.
If the file name or extension in response data is less than 8 or 3 bytes respec-
tively, unused bytes will be filled with 20 hex.
It is not permissible to specify 00 (hex) or E5 (hex) at the beginning of a file
name. (Codes of 00 hex or E5 hex means “erased” in DOS.) It is also not per-
Example Designation Contents
Memory area
code
Address within memory
area code
Word Bit
CIO 0010 B0000A00 hex B0 hex 000A hex 00 hex
CIO 001013
(bit 13 of CIO 0010)
30000A0D hex 30 hex 000A hex 0D hex
W010 B10000A00 hex B1 hex 000A hex 00 hex
W01013
(bit 13 of W010)
31000A0D hex 31 hex 000A hex 0D hex
H010 B2000A00 hex B2 hex 000A hex 00 hex
H01013
(bit 13 of H010)
32000A0D hex 32 hex 000A hex 0D hex
CIO 001013 (bit 13 of
CIO 0010), with
forced status
70000A0D hex 70 hex 000A hex 0D hex
CIO 0010, with forced
status
F0000A00 hex F0 hex 000A hex 00 hex
T0010 Completion
Flag
09000A00 hex 09 hex 000A hex 00 hex
D00010 value 82000A00 hex 82 hex 000A hex 00 hex
E_3_00010 value A3000A00 hex A3 hex 000A hex 00 hex
Current EM bank
00010 value
98000A00 hex 98 hex 000A hex 00 hex
Network Max. number of read
elements
Max. number of write
elements
SYSWAY 269 words 267 words
Ethernet 999 words 996 words
Controller Link 999 words 996 words
SYSMAC LINK 269 words 267 words
DeviceNet 269 words 267 words
Volume label/file name (directory name)
Delimiter
Extension2E Hex
8 bytes 1 byte 3 bytes
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