Omron CQM1H-SCB41 Operation Manual page 93

Protocol Structure
Step Parameters
Standard System Protocol Example
Level
Sequence
Steps
78
Parameter
Command
Messages
Repeat counter
Retry count
Send wait time
Response write
enable (for operand
specification)
Next process
Error processing
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&RECEIVE
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
One of the following: SEND, RECEIVE, or
SEND&RECEIVE
Send message The message sent for SEND.
Receive mes- The expected message for RECEIVE.
sage
Send message The message sent and the expected mes-
and receive sage for SEND&RECEIVE.
message
Reception A group of expected messages that can
matrix be used to switch to different next pro-
cesses when RECEIVE or
SEND&RECEIVE is used.
The number of times to repeat the step (0 to 255). The
repeat counter can be used to change send/receive mes-
sages.
Used for SEND&RECEIVE to retry the command for errors
(0 to 9).
Used for SEND or SEND&RECEIVE to create a wait time
before sending data.
Specification of whether or not to write the received data to
memory.
Specifies the next step or to end the sequence when the cur-
rent step is completed normally.
Specifies the next step or to end the sequence when the cur-
rent step ends in an error.
Setting
Section 5-5
Meaning