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1049
Network Instructions
Section 3-25
Flags
The following table shows relevant bits and flags in the Auxiliary Area.
Precautions
If the Communications Port Enabled Flag is OFF for the port number specified
in C+3, the instruction will be treated as NOP(000) and will not be executed.
The Error Flag will be turned ON in this case.
When an address in the current bank of the EM Area is specified for D, the
transmitted data will be written to the current EM bank of the destination node.
When data will be transmitted outside of the local network, the user must reg-
ister routing tables in the PLCs (CPU Units) in each network. (Routing tables
indicate the routes to other networks in which destination nodes are con-
nected.)
PLC
Host Link Slave
Set the destination node address to the
host link unit 1 = S+1.
SEND
PLC
Data
Serial cable
Host link unit number: S
Name
Label
Operation
Error Flag
ER
ON if the serial port number specified in C+1 is not within
the range of 00 to 04.
ON if the Communications Port Enabled Flag is OFF for
the communications port number specified in C+3.
OFF in all other cases.
Name
Address
Operation
Communications
Port Enabled Flag
A20200 to
A20207
These flags are turned ON to indicate that net-
work instructions, including PMCR(260) may be
executed for the corresponding ports (00 to 07).
A flag is turned OFF when a network instruction is
being executed for the corresponding port and
turned ON again when the instruction is com-
pleted.
Communications
Port Error Flag
A21900 to
A21907
These flags are turned ON to indicate that an
error has occurred at the corresponding ports (00
to 07) during execution of a network instruction.
The flag status is retained until the next network
instruction is executed. The flag will be turned
OFF when the next instruction is executed even if
an error occurred previously.
Communications
Port Completion
Codes
A203 to
A210
These words contain the completion codes for the
corresponding ports (00 to 07) following execution
of a network instruction.
The corresponding word will contain 0000 while
the network instruction is being executed and the
completion code will be written when the instruc-
tion is completed. These words are cleared when
an instruction is executed.
Содержание SYSMAC CS Series
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Страница 186: ...146 List of Instructions by Function Code Section 2 4 ...
Страница 194: ...154 3 35 4 MOVE BIT MOVBC 568 1273 3 35 5 BIT COUNTER BCNTC 621 1275 3 35 6 GET VARIABLE ID GETID 286 1277 ...
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Страница 1391: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits ...
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