Omron CJ1W-SCU22, Руководство по эксплуатации, Страница: 210 / 478

5 Serial Gateway
5-18
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
z
ST
System-defined variable
User-defined variables (To be defined before or when creating a program)
* When HR, DM, or EM is specified as an allocated address (AT) for user-defined variables, set the Retention
Specification to Retained. When CIO/WR is specified, set it to No-retained.
Name Data type Factory
setting
Comments Details
_Port_isAvailable BOOL --- Network Communi-
cations Instruction
Enabled Flag This flag becomes TRUE when
there are internal logic ports
available. This flag becomes
FALSE when there is no inter-
nal logic port available.
Name Data type Factory setting Allocated
address
(AT)
Details
Trigger BOOL --- --- Execution conditions
LastTrigger BOOL --- --- Trigger value of previ-
ous task period
State INT 0 --- State transition
End_ExecPMCR BOOL False --- End of protocol macro
execution
FTrig_PmrExecSta BOOL --- --- Protocol Macro Execut-
ing Flag changing to
FALSE
InPort _sPORT (UnitNo:=_CBU_No00,
PhysicPortNo:=0) --- Port setting
SendData ARRAY[0..4] OF
WORD [5(16#0)] --- Send data
RecvData ARRAY[0..3] OF
WORD [4(16#0)] %D200 (*) Receive data
ExecPMCR_instance ExecPMCR --- --- ---
F_TRIG_instance F_TRIG --- --- ---