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1044
Network Instructions
Section 3-25
Example 2: Automatic Allocation of Communications Port Number
3-25-3 NETWORK SEND: SEND(090)
Purpose
Sends data to a node in the network.
Ladder Symbol
Variations
Execution
condition
d (Execution completed)
a (Executing)
c (Standby)
d (Execution completed)
c (Standby)
The explicit message instruction is executed when a (executing)
turns ON. The port number F is specified.
a (Executing)
MOV
A218
b (port)
The automatically allocated port number stored in A218 (application
communications port numbers 0 to 7 is moved to a user-specified work
word b (port).
Detects when the First Cycle Flag after Network Communications Finished
for the automatically allocated communications port is ON in A214, i.e., the
bit corresponding to b (port).
Detects when the Explicit Communications Error Flag for the
automatically allocated communications port is OFF in A213,
i.e., the bit corresponding to b (port).
Detects when the Explicit Communications Error Flag for the
automatically allocated communications port is ON in A213,
i.e., the bit corresponding to b (port).
"c" turns OFF in the cycle after
communications instruction execution
is completed and communications
completion or errors are detected
from that cycle.
KEEP
a (Executing)
TST
A214
b (port)
TSTN
A213
b (port)
TST
A213
b (port)
TSTN
A219
b (port)
TST
A219
b (port)
Explicit
message
instruction
Port: F
Processing after network
communications
Network communications
error processing: Explicit
error processing
Network communications
error processing: FINS
error processing
SEND(090)
S
D
C
S
: First source word (local node)
D
: First destination word (remote node)
C
: First control word
Variations
Executed Each Cycle for ON Condition
SEND(090)
Executed Once for Upward Differentiation
@SEND(090)
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification
Not supported
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 ...
Страница 1320: ...1280 Model Conversion Instructions Unit Ver 3 0 or Later Section 3 35 ...
Страница 1390: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...
Страница 1391: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits ...
Страница 1392: ...1352 ASCII Code Table Appendix A ...
Страница 1404: ...1364 Revision History ...