Omron CJ1W-SCU22, Руководство по эксплуатации, Страница: 56 / 478

1 Introduction
1-16
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
Step contents Commands Send only (Send), receive only (Recv), send and receive (Send&Recv),
wait (Wait), reception buffer clear (Flush), ER-ON (Open), or ER-OFF
(Close)
Repeat counter 1 to 255 times
Retry count 0 to 9
(Only when the command is Send&Recv)
Send wait time 0.01 to 0.99 s, 0.1 to 9.9 s, 1 to 99 s, or 1 to 99 minutes
(Only when the command is Send or Send&Recv)
With or without
response write
(operand) Selectable either to store the received message when the receive process
completes or not. (This option is used to store received data to the area
specified by the DstDat of the ExecPMCR instruction.)
Next processing Select a process following to a normal end of a step from End (sequnece
completed), Next (proceed to the next step No.), Goto (go to the specified
step No.), and Abort (interrupt the step and terminate the sequence.)
Error processing Select a process following to an error end of a step from End, Next, Goto
and Abort.
Send message Data sent to the
specified address
when the command
is Send or
Send&Recv. Consists of a header, address, length, data, error
check code, and terminator.
For details, see the message unit contents on the
next page.
Receive message Data sent from the
specified address
when the command
is Recv or
Send&Recv.
Receive matrix When the com-
mand is Recv or
Send&Recv, sets
the expected
receive messages
(15 max.), and
switches the next
processing accord-
ing to the message
received. Specifies the receive messages and the next pro-
cessing for each of cases No. 00 to No. 15. One of
the maximum 16 cases must be set to "Other" in
the receive messages (i.e., other than the set
received messages).
Item Description