Mitsubishi Electric MELSEC iQ-R Series - Page 86

84
8 DEVICE ACCESS
8.1 Data to be Specified in Commands
Step No. specification
Specify a condition using a step No. of program.
Data is read at the END processing immediately after a step of the specified program is executed.
■When step No. is specified
Specify the following items.
*1 When 'FFFFH' is specified to the file , the specified file is searched with the file name and extension. In this case, a read and write
request from a supported device to the CPU module may be delayed more than one sequence scan time.
■When step No. is not specified
Set the following when a monitor condition without step No. specification is selected.
• File No.: 0
• File name, extension, attribute: Space (20H)
• SFC specification, step No.: 0
Item Description Reference
Step No.
specification
File
specification
File No. Specify the registration number of file which
includes a program to be the conditions in a module.
The number for specification can be obtained from
the file control command.
*1
Page 298 File No.
File name Specify the file name, extension, attribute of a file
which includes a program to be the conditions.
Page 299 File name, extension, and
attribute
Extension
Attribute
SFC
specification
SFC pattern Specify this when a program is SFC. Page 86 SFC specification
SFC block I/O
No.
Specify the SFC block No. and SFC step No. which
include a step to be the conditions.
SFC step No.
Step No. Specify the step No., pointer (P) No., or interrupt
pointer (I) No. for a program to be the condition.
Page 86 Step No.
ASCII code
Binary code
0000
30H 30H30H 30H
0000
30H 30H30H 30H
0000
30H 30H30H 30H
0000
30H
30H
00
30H 30H
20H 20H20H 20H
30H 30H
20H 20H 20H
20H
20H20H
20H
20H
SFC pattern Step No.
Block No. Step No.Extension
Attribute
File name
File No.
(8 digits)
File specification
SFC specification
00 H 00 H 20 H 20 H 20 H 00 H 00 H 00 H 00 H 20 H 20 H 20 H 00 H 00 H 00 H 00 H 00 H 00 H 20 H 20 H 20 H 20 H 20 H 20 H
SFC
pattern
File
No.
Step
No.
Block
No.
Extension
Attribute Step No.
File name
SFC specification
File specification