Omron CJ1W-SCU22, Руководство по эксплуатации, Страница: 354 / 478

A Standard System Protocol
R-20
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
This sequence broadcasts the specified data beginning with the command code. No responses are
received and no conversions are performed on the send data.
Send Data Word Allocation (3rd Operand of PMCR(260))
Receive Data Word Allocation (4th Operand of PMCR(260))
None. (Specify a dummy value for the operand, such as #0000.)
Broadcast with No Conversion and No Response
(Sequence No. 603 (Hex 025B))
Offset Contents (data format) Data
+0 Number of send data words (4 digits Hex) 0005 to 00FA Hex (5 to 250 decimal)
+1 (Undefined) ---
+2 MRC (2 digits Hex) SRC (2 digits Hex) Set the command code for the required service
+3 Number of send bytes (4 digits Hex) Number of data bytes from the next byte after the
command code until the byte just before the ETX.
0000 to 01EC Hex (0 to 492 decimal)
+4
on Send data The data specified in hexadecimal here is not con-
verted and the number of send bytes specified in
S+3 is sent.
+0 +1
+2 +3
+4 +5
+6 etc.
Send data
First word of
send data Number of send data words +0
+1
+2
+3
+4
on
(Undefined)
MRC
SRC
Number of send bytes