428
Command Format
@QQx 100
x 101x 103x 102x 101x 100
OP1 OP2 OP3 OP4M OP1 OP2
x 103x 102x 101x 100
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 100
x 101x 161x 160
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 bespecified 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 beread is as shown in the following table. The “read data” is specified in four digitsBCD, 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