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ST
Internal
variables
Variable
Data type
Initial value
Comment
Trigger
BOOL
False
Execution condi-
tion
DoUCMMTrigger
BOOL
False
Processing
Stage
INT
0
Status change
WriteDat
INT
1234
Write data
ReadDat
INT
0
Read data
ReqPath
_sRE-
QUEST_PATH
(ClassID:=0, InstanceID:=0,
isAttributeID:=False, AttributeID:=0)
Request path
RespDat
ARRAY[0..10] OF
BYTE
[11(16#0)]
Response data
Dummy
BYTE
16#0
Dummy
CIPUCMMWrite_instance
CIPUCMMWrite
CIPUCMMRead_instance
CIPUCMMRead
CIPUCMMSend_instance
CIPUCMMSend
External
variable
Variable
Data type
Constant
Comment
_EIP_EtnOnlineSta
BOOL
Online
*1.
For an NX701 CPU Unit and an NX102 CPU Unit, replace the variable with _EIP1_EtnOnlineSta (Port1 Online) or
_EIP2_EtnOnlineSta (Port2 Online), depending on the built-in EtherNet/IP port which is used.
For an NX1P2 CPU Unit, replace the variable with _EIP1_EtnOnlineSta (Port1 Online).
// Start sequence when Trigger changes to TRUE.
IF ((Trigger=TRUE) AND (DoUCMMTrigger=FALSE) AND (_EIP_EtnOnlineSta=TRUE))
THEN
DoUCMMTrigger :=TRUE;
Stage :=INT#1;
CIPUCMMWrite_instance(
Execute :=FALSE, // Initialize instance.
SrcDat :=WriteDat); // Dummy
CIPUCMMRead_instance( // Initialize instance.
Execute :=FALSE, // Dummy
DstDat :=ReadDat); // Dummy
CIPUCMMSend_instance(
Execute :=FALSE, // Initialize instance.
ServiceDat := Dummy, // Dummy
RespServiceDat :=RespDat); // Dummy
END_IF;
IF (DoUCMMTrigger=TRUE) THEN
CASE Stage OF
1 : // Request writing value
of variable.
8 CIP Message Communications
8-25
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
8-2 CIP Message Communications Client Function
8
8-2-7
Sample Programming for CIP Connectionless (UCMM) Message
Communications
Summary of Contents for Sysmac NX1P2-10 1 Series
Page 8: ...Manual Structure 6 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Page 34: ...Revision History 32 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Page 388: ...9 Socket Service 9 34 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Page 430: ...12 FTP Client 12 14 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Page 569: ...I Index I 1 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506 I...
Page 576: ...Index I 8 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Page 577: ......