Omron SYSMAC CS1W-SCB41-V1 Operation Manual page 180

Overview of the Protocol Macro Functions
Standard System Protocol Example
Level
Sequence
Steps
Send message
SD (00) _1
Receive message
RV (00) _1
DM Area Settings for
Standard System Protocol
Board
(CS Series only) (CS/CJ Series)
Port 1 Port 2 Port 1
D32000 D32010 m
Process Value Read Sequence for E5@K Controller Read Protocol
Item
Link words ---
Transmission control Modem control
parameters
Response notification Scan
method
Reception wait time Tr 3 s
Reception finished wait 3 s
time Tfr
Send finished wait time 3 s
Tfs
Step number 00
Repeat counter Reset/001
Command SEND&RECV
Retry count 3
Send wait time ---
Send message SD (00) _1
Receive message RV (00) _1
Response write enable Write
Next process End
Error process Abort
Header <h> "@"
Terminator <t> [2A0D]
Error check code <c> LRC (horizontal parity) (0) (2 bytes of ASCII)
Length <l> ---
Address <a> $ (R (1) ) ,2)
Message edited
<h> + <a> + "1" + "00" + "0000" + <c> + <t>
Header <h> "@"
Terminator <t> [2A0D]
Error check code <c> LRC (horizontal parity) (0) (2 bytes of ASCII)
Length <l> ---
Address <a> & (R (1) ) ,2)
Message edited
<h> + <a> + "00" + "00" + & (W (1) ,4) + <c> + <t>
The following data is set in the Setup Area in the DM Area for a standard sys-
tem protocol.
Unit
Port 2
m + 10 Bits 00 to 04: Communications
parameters
Bits 08 to 11: Serial communica-
tions mode
Data
Data
Contents Setting for a standard system protocol
Set to match the parameters of the external
device.
Set to 6 Hex to specify Protocol Macro Mode.
Section 5-1
Setting
m = D30000 + 100 × unit number
151