428
Command Format
@ QQx
10
0
x 10
1
x 10
3
x 10
2
x 10
1
x 10
0
OP1 OP2 OP3 OP4M OP1 OP2
x 10
3
x 10
2
x 10
1
x 10
0
OP1 OP2 OP3 OP4 OP1 OP2
↵:
Node no.
Header
code
TerminatorFCS
Sub-header
code
Read area
Read word address
Data
format
Data break
Single read information
T
otal read information (128 max.)
Single read information
T
otal read information (128 max.)
Read area
Read word address
Data
format
Data break
R
,
,
Response Format
@ QQ
x
10
0
x 10
1
x 16
1
x 16
0
MR
↵:
Node no.
Header
code
Sub-header
code
End code
TerminatorFCS
Parameters Read Area (Command)
Specify
in four-character code the area that is to be read. The codes that can be
specified are listed in the following table.
Read Word address, Data Format (Command)
Depending
on the area and type of data that are to be read, the information to be
read
is as shown in the following table. The “read data” is specified in four digits
BCD, and the data format is specified in two digits BCD.
Area classification Read data Read area Read word Data format
IR or SR
Bit
C I O (S)
0000 to 0255
00 to 15 (decimal)
Word