219
Flags
ER:
S is not allocated to an intelligent I/O Unit.
D+(N–1) exceeds a data area boundary.
N is not BCD.
Indirectly addressed DM word is non-existent. (Content of
*
DM word
is not BCD, or the DM area boundary has been exceeded.)
EQ
:
OFF while data is being read; ON when reading has been com-
pleted.
5-27
Network Instructions
The Network instructions are used for communicating with other PCs linked
through the SYSMAC NET Link System or SYSMAC LINK System.
5-27-1
NETWORK SEND – SEND(90)
S
: Source beginning word
IR, SR, AR, DM, HR, TC, LR
D
: Destination beginning word
IR, AR, DM, HR, TC, LR
Operand Data Areas
C
: First control data word
IR, AR, DM, HR, TC, LR
Ladder Symbols
SEND(90)
S
D
C
@SEND(90)
S
D
C
Limitations
C through C+2 must be within the same data area and must be within the
values specified below. To be able to use SEND(90), the system must have a
SYSMAC NET Link or SYSMAC LINK Unit mounted.
When the execution condition is OFF, SEND(90) is not executed. When the
execution condition is ON, SEND(90) transfers data beginning at word S, to
addresses specified by D in the designated node on the SYSMAC NET Link/
SYSMAC LINK System. The control words, beginning with C, specify the
number of words to be sent, the destination node, and other parameters. The
contents of the control data depends on whether a transmission is being sent
in a SYSMAC NET Link System or a SYSMAC LINK System.
The status of bit 15 of C+1 determines whether the instruction is for a SYS-
MAC NET Link System or a SYSMAC LINK System.
Control Data
SYSMAC NET Link Systems
The destination port number is always set to 0. Set the destination node
number to 0 to send the data to all nodes. Set the network number to 0 to
send data to a node on the same Subsystem (i.e., network). Refer to the
SYSMAC NET Link System Manual
for details.
Word
Bits 00 to 07
Bits 08 to 15
C
Number of words (0 to 1000 in 4-digit hexadecimal, i.e., 0000
hex
to 03E8
hex
)
C+1
Network number (0 to 127 in 2-digit
hexadecimal, i.e., 00
hex
to 7F
hex
)
Bit 14
ON: Operating level 0
OFF: Operating level 1
Bits 08 to 13 and 15:
Set to 0.
C+2
Destination node (0 to 126 in 2-digit
hexadecimal, i.e., 00
hex
to 7E
hex
)*
Destination port
NSB: 00
NSU: 01/02
Description
Network Instructions
Section 5-27
Содержание SYSMAC C1000H
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