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Overview of the Protocol Macro Functions Section 5-1
Step Parameters
Note We recommend programming retry processing at any device sending com-
mands in case noise or other factors result in transmission errors.
Parameter Meaning
Command One of the following: SEND, RECV,
SEND&RECV, WAIT, FLUSH, OPEN, or
CLOSE
Messages Send message The message sent for SEND.
Receive mes-
sage
The expected message for RECV.
Send message
and receive
message
The message sent and the expected mes-
sage for SEND&RECV.
Reception
matrix
A group of expected messages that can be
used to switch to different next processes
when RECV or SEND&RECV is used.
Repeat counter The number of times to repeat the step (0 to 255). The
repeat counter can be used to change send/receive mes-
sages.
Retry count Used for SEND&RECV to retry the command for errors (0 to
9).
Send wait time Used for SEND or SEND&RECV to create a wait time before
sending data.
Response write
enable (for operand
specification)
Specification of whether or not to write the received data to
memory.
Next process Specifies the next step or to end the sequence when the cur-
rent step is completed normally.
Error processing Specifies the next step or to end the sequence when the cur-
rent step ends in an error.
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