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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
Total read information (128 max.)
Single read information
Total 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
()
“CH”
LR
Bit
L R (S) (S) 0000 to 0063
00 to 15 (decimal)
Word
()()
“CH”
HR
Bit
H R (S) (S) 0000 to 0099
00 to 15 (decimal)
Word
()()
“CH”
AR
Bit
A R (S) (S) 0000 to 0027
00 to 15 (decimal)
Bit
()()
“CH”
Timer
Completion Flag
T I M (S) 0000 to 0511
2 characters other than “CH”
PV
()
“CH”
High-speed timer
Completion Flag
T I M H 0000 to 0511
2 characters other than “CH”
g
PV “CH”
Counter
Completion Flag
C N T (S) 0000 to 0511
2 characters other than “CH”
PV
()
“CH”
Reversible counter
Completion Flag
C N T R 0000 to 0511
2 characters other than “CH”
PV “CH”
Totalizing timer
Completion Flag
T T I M 0000 to 0511
2 characters other than “CH”
g
PV “CH”
DM Word D M (S) (S) 0000 to 6655 Any 2 characters
(S): Space
Host Link Commands
Section 11-3