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A-15
Appendices
NJ-series CPU Unit Motion Control User’s Manual (W507)
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A-3-1 NJ-ser
ies Controller
A-3
Terminology
This appendix provides definitions of terms related to motion control.
A-3-1
NJ-series Controller
Term
Description
main memory
The memory inside the CPU Unit that is used by the CPU Unit to execute the OS
and user program.
periodic task
Tasks for which user program execution and I/O refreshing are performed each
period.
primary periodic task
The task with the highest priority.
period of tasks
The interval at which the primary periodic task or a periodic task is executed.
I/O Refresh
Cyclic data exchange with external devices that is performed with predetermined
memory addresses.
program
One of three POUs. The others are functions and function blocks. Programs are
assigned to tasks to execute them.
user program
All of the programs in one project.
Inline ST
ST programming that is included within a ladder diagram program.
system-defined variables
A variable for which all attributes are defined by the system and cannot be
changed by the user.
global variable
Reading and writing global variables are possible from all POUs (programs,
functions, and function blocks).
local variable
A variable that can be accessed only from the POU in which it is defined. Local
variables include internal variables, input variables, output variables, in-out vari-
ables, and external variables.
download
To transfer data from the Sysmac Studio to the Controller, e.g., with the synchro-
nization operation of the Sysmac Studio.
upload
To transfer data from the Controller to the Sysmac Studio, e.g., with the synchro-
nization operation of the Sysmac Studio.
major fault level Control error
An error for which all control operations from the NJ-series Controller are not
possible. The CPU Unit stops user program execution immediately and turns
OFF the loads for all slaves and Units (including remote I/O).
partial fault level Controller error
An error for which all control operations for one of the function modules in the
NJ-series Controller are stopped. The NJ-series CPU Unit continues operation
even after a partial fault level Controller error occurs.
minor fault level Controller error
An error for which some of the control operations for one of the function modules
in the NJ-series Controller are stopped. The NJ-series CPU Unit continues oper-
ation even after a minor fault level Controller error occurs.
observation
One of the event levels for Controller information and user-defined information.
Observations represent minor errors that do not affect operation. They are
recorded in an event log to inform the use.
Содержание NJ501-1300
Страница 12: ...Sections in this Manual 10 NJ series CPU Unit Motion Control User s Manual W507...
Страница 18: ...16 NJ series CPU Unit Motion Control User s Manual W507 CONTENTS...
Страница 22: ...Read and Understand this Manual 20 NJ series CPU Unit Motion Control User s Manual W507...
Страница 34: ...Revision History 32 NJ series CPU Unit Motion Control User s Manual W507...
Страница 44: ...1 Introduction to the Motion Control Function Module 1 10 NJ series CPU Unit Motion Control User s Manual W507...
Страница 58: ...2 Motion Control Configuration and Principles 2 14 NJ series CPU Unit Motion Control User s Manual W507...
Страница 86: ...3 Configuring Axes and Axes Groups 3 28 NJ series CPU Unit Motion Control User s Manual W507...
Страница 98: ...4 Checking Wiring from the Sysmac Studio 4 12 NJ series CPU Unit Motion Control User s Manual W507...
Страница 122: ...5 Motion Control Parameters 5 24 NJ series CPU Unit Motion Control User s Manual W507...
Страница 158: ...6 Motion Control Programming 6 36 NJ series CPU Unit Motion Control User s Manual W507...
Страница 166: ...7 Manual Operation 7 8 NJ series CPU Unit Motion Control User s Manual W507...
Страница 182: ...8 Homing 8 16 NJ series CPU Unit Motion Control User s Manual W507...
Страница 346: ...10 Sample Programming 10 92 NJ series CPU Unit Motion Control User s Manual W507...
Страница 422: ...Appendices A 18 NJ series CPU Unit Motion Control User s Manual W507...
Страница 423: ...Index 1 NJ series CPU Unit Motion Control User s Manual W507 I Index...
Страница 430: ...Index 8 NJ series CPU Unit Motion Control User s Manual W507 Index...