Omron SYSMAC CS Series Instruction & Reference Manual page 884

3. Instructions
 Automatically Allocating Communications Ports (i.e., Internal Logical Ports)
Execution
condition
d (Execution completed)
a (Executing)
a (Executing) c (Standby)
850
KEEP
a (Executing)
The explicit message instruction is executed when a (Executing)
turns ON. The port number F is specified.
Explicit
message
instruction
Port: F
The automatically allocated port number stored in A218 (Used
Communications Port Number 0 to 7) is moved to a user-specified work
MOV
word b (port).
A218
Detects when the First Cycle Flag after Network Communications Finished
b (Port)
for the automatically allocated communications port is ON in A214, i.e., the
bit corresponding to b (port).
c (Standby)
TST
A214
b (Port)
TSTN
A213
b (Port)
TST
A213
b (Port)
c (Standby) turns OFF in the cycle after
communications instruction execution
is completed and communications
completion or errors are detected
from that cycle.
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).
Processing after network
communications
TSTN
Network communications
error processing: Explicit
A219
error processing
b (port)
TST
Network communications
error processing: FINS
A219
error processing
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).
CS/CJ/NSJ Series Instructions Reference Manual (W474)
d (Execution completed)