8 CIP Message Communications
8-28
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
LD
Variable Data type Initial value Comment
OperatingEnd BOOL False Processing finished.
Trigger BOOL False Execution condition
Operating BOOL False Processing
WriteDat INT 1234 Source data
ReadDat INT 0 Read data
ReqPath _sREQUEST_
PATH
(ClassID:=0, InstanceID:=0, isAt-
tributeID:=False, AttributeID:=0)
Request path
RespDat ARRAY[0..10] OF
BYTE
[11(16#0)] Response data
Dummy BYTE 16#0 Dummy
RS_instance RS
CIPOpen_instance CIPOpen
CIPWrite_instance CIPWrite
CIPRead_instance CIPRead
CIPSend_instance CIPSend
CIPClose_instance CIPClose
CIPOpen_instance.Error
CIPWrite_
instance.Busy
Determine if instruction execution is completed.
Accept trigger.
OperatingEnd
CIPOpen_instance.Done
CIPRead_instance.Error
CIPSend_instance.Error
CIPClose_instance.Error
CIPWrite_instance.Error
Trigger
CIPOpen_
instance.Busy
CIPRead_
instance.Busy
CIPWrite_instance.Done
CIPRead_instance.Done CIPClose_instance.Done
CIPSend_instance.Done
Operating
CIPSend_
instance.Busy
OperatingEnd
Set Q1
Reset1
RS_instance
RS
CIPClose_
instance.Busy