A2.3. Variables Used - Omron NX Series Network Connection Manual

A2.3. Variables Used

This section describes variables used in the program.
A2.3.1. User-defined Variables
The tables below list data types, external variables (user-defined global variables, device
variables for the NX Unit, and system-defined variables), and internal variables used in this
program.
● External Variables
User-defined Global Variables
Variable name
NXBus_N1_NX_Unit_I_O_
Data_Active_Status
N1_Node_location_
information
Note
For variables used with the Serial Communications Unit, refer to Section 1 Instruction Set of
the Machine Automation Controller NJ/NX-series Instructions Reference Manual (Cat. No.
W502).
● Internal Variables
Variable name
Input_Start
Trigger
OperatingEnd
Operating
Operating2
DevicePort
SendDat
SendSize
SendCfg
RecvDat
RecvSize
RecvStringDat
RS_instrance
RcvCfg
SerialSend_FBinstance
SerialRcv_FBinstance
Data type
BOOL Availability of I/O data in NX Unit
_sNXUINT_ID Device variable to specify NX-CIF210
Data type
BOOL
BOOL
BOOL
BOOL
BOOL
_sDEVICE_PORT
ARRAY[0..2] OF BYTE
UINT
_sSERIAL_CFG
ARRAY[0..255] OF BYTE
UINT
STRING[255]
RS
_sSERIAL_CFG
NX_SerialSend
NX_SerialRcv
Appendix 2. Ladder Program
Description
Description
Variable to start program
Read processing instruction of code reader
End of processing
In processing
In processing (Serial send completed)
Port specification
Send data
Send data size
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Receive data
Receive data size
Barcode data (string)
Reset-priority keep
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