Terminology
34
NX-series Safety Control Unit User’s Manual (Z930)
safety signal A signal that is used for safety controls.
In this safety control system, the data type of a variable determines whether a signal is
related to the safety controls. Broadly speaking, there are two data types: safety data
types and standard data types.
safety validation The process of appending confirmation information to the safety application data if safety
validation testing demonstrates that the safety controls meet the required specifications of
a safety system.
You execute the safety validation from the Sysmac Studio when the Safety CPU Unit is in
DEBUG mode.
The validated safety programs are automatically transferred to the non-volatile memory of
the Safety CPU Unit.
single channel The input or output is used as a single point.
Slave Terminal settings It consists of the following data:
• Configuration information
• Unit operation settings
• Unit application data
standard The generic term for devices, functions, and data that are used for general control pur-
poses as opposed to those that are used for safety measures.
standard control A type of control that use devices, functions, and data that are designed for general con-
trol purposes.
This term is used to differentiate from a safety control.
standard data type The data type for a standard signal.
standard process data commu-
nications
A type of I/O data communications that is used for safety control purposes.
standard signal A signal or data that is used for general control purposes.
test pulse evaluation This function outputs a test pulse that is used to evaluate a safety input or safety output
for failures or wiring errors with the connected external device.
Unit configuration information The set of information that specifies the configuration of the NX Units that are connected
to the Communications Coupler Unit.
On the Sysmac Studio, this is shown as configuration information and includes the I/O
allocation information.
user program All of the programs that are created by the user.
User program refers to the programs for standard controls in the NJ/NX-series CPU Unit
and to the safety programs.
Term Description
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