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2 Initial Settings and Allocations of Device Variable for CJ-series Unit
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
2-4 System-defined
V
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Variables Related to the SerialSend, SerialRcv, and SerialRcvNoClear
Instructions in No-protocol Mode
System-defined variable
Description
_Port_isAvailable
Network Communications Instruction Enabled Flag
TRUE when execution of SerialSend, SerialRcv, SerialRcvNoClear, and other net-
work communications instructions (such as SendCmd and ExecPMCR) is enabled.