913
3. Instructions
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Network Instructions
3
Network Instructions
Application Methods
1. Set the communications port in the instruction operand to 0 to 7 hex.
2. Use the Communications Port Enabled Flag (A202.00 to A202.07) to perform exclusive control of
the communications port.
KEEP A
DIFU B
KEEP C
Reset B
Reset D
Execution
condition
Communications
Port Enabled Flag
Local Node
Active Flag
Destination
Node Active
Flag
Creates
operand or
control data
with @MOV
or @XFER.
@SEND,
@RECV,
@CMND
Communications
Port Enabled Flag
Communications
Port Error Flag
Execution
condition
Communications
Port Enabled Flag
Same as above.
Bit A remains ON while the communications
instruction is being executed.
Copies the operand and control data to the
desired data area.
Executes the communications instruction.
Writes the reset input. (Reset B is turned
ON when the communications instruction
is completed.)
For Send Error Flag display (OK if data is
retransmitted.)
Exclusive control to prevent simulta-
neous execution:
Exclusive control prevents another
communications instruction from being
executed until the instruction above is
completed.
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