Chapter 7 Communication function
7-38
7.2.3 List of commands
[Table 7.11] describes commands used in dedicated communication service.
[Table 7.11] List of commands
Command
Main Command
Command type
Classification
Sign
ASCII
code
Sign
ASCII
code
Contents
Individual
reading.
r(R)
H72
(H52)
SS H5353
Reads direct variables of Bit, Byte, Word,
Dword and Lword types.
Direct
variables.
reading
Continuous
reading.
r(R)
H72
(H52)
SB H5342
Reads direct variables of Byte, Word, Dword
and Lword types in block unit.( Continuous
reading of Bit is unavailable)
Continuous
reading
r(R)
H72
(H52)
H00
~
H14
H3030~
H3134
Reads data according to data type of named
variable.
(Variable to be read must be registered in
access variable area)
Named
variables.
reading
Array
reading
r(R)
H72
(H52)
H15
~
H27
H3135~
H3237
Reads data of array named variable.
(Variable to be read must be registered in
access variable area)
Individual
writing.
w(W)
H77
(H57)
SS H5353
Writes data to direct variables of Bit, Byte,
Word, Dword and Lword types.
Direct
variables.
writing
Continuous
writing
w(W)
H77
(H57)
SS H5353
Writes data to direct variables of Bit, Byte,
Word, Dword and Lword types.
Individual
writing
w(W)
H77
(H57)
H00
~
H14
H3030~
H3134
Writes variables of each data type using
variable names.
(Variable to be written must be registered in
access variable area)
Named
variables.
writing
Array
writing
w(W)
H77
(H57)
H15
~
H27
H3135~
H3237
Writes data to array named variable.
(Variable to be written must be registered in
access variable area)
Register
x(X)
H78
H58
H00
~
H31
H3030~
H3331
Register variable to be monitored. If registered
variable is named one, variable to be read must
be registered in access variable area.
Monitor
Execution
y(Y)
H79
(H59)
H00
~
H31
H3030~
H3331
Executes the registered variable to monitor.