Omron SYSMAC CJ - REFERENCE MANUAL 08-2008

994
Serial Communications Instructions Section 3-24
Variations
Applicable Program Areas
Operands The contents of the control word, C, is as shown below.
Operand Specifications
Variations Executed Each Cycle for ON Condition RXD(235)
Executed Once for Upward Differentiation @RXD(235)
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification Not supported.
Block program
areas
Step program
areas
Subroutines Interrupt tasks
OK OK OK OK
C
8 12 34 15 07 11
Byte order
0 Hex: Most significant byte to least significant byt
e
1 Hex: Lest significant byte to most significant byte
CS and DR signal monitoring
0: No CS and DR signal monitoring
1: CS signal monitoring
2: DR signal monitoring
3: CS and DR signal monitoring.
Always 0
Serial port specifier
0: CPU Unit's RS-232C port
1: Serial Communications Board port 1
2: Serial Communications Board
p
ort 2
Area DCN
CIO Area CIO 0000 to CIO 6143
Work Area W000 to W511
Holding Bit Area H000 to H511
Auxiliary Bit Area A448 to A959 A000 to A447
A448 to A959
Timer Area T0000 to T4095
Counter Area C0000 to C4095
DM Area D00000 to D32767
EM Area without bank E00000 to E32767
EM Area with bank En_00000 to En_32767
(n = 0 to C)
Indirect DM/EM
addresses in binary
@ D00000 to @ D32767
@ E00000 to @ E32767
@ En_00000 to @ En_32767
(n = 0 to C)
Indirect DM/EM
addresses in BCD
*D00000 to *D32767
*E00000 to *E32767
*En_00000 to *En_32767
(n = 0 to C)
Constants --- Specified values
only
#0000 to #0100
(binary) or &0 to
&256 (decimal)
Data Registers --- DR0 to DR15