Terminology
Term
Description
standard
The generic term for devices, functions, and data that are used for general control purposes
as opposed to those that are used for safety measures.
safety function
A function that is executed by the safety control system to achieve a safe state for a machine
hazard.
safe state
The status of a device or piece of equipment when the risk of danger to humans has been
reduced to an acceptable level.
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 relat-
ed to the safety controls. Broadly speaking, there are two data types: safety data types and
standard data types.
standard signal
A signal or data that is used for general control purposes.
Safety data type
The data type for a safety signal.
Standard data type
The data type for a standard signal.
safety reaction time
The time required for the system to enter a safe state in a worst-case scenario after the oc-
currence of a safety-related input (press of an emergency stop pushbutton switch, interrup-
tion of a light curtain, opening of a safety door, etc.) or device failure.
The reaction time of the system includes the reaction times of sensors and actuators, just
like the reaction time for a Controller or network.
safety control
A type of control that uses devices, functions, and data that are designed with special safety
measures.
standard control
A type of control that use devices, functions, and data that are designed for general control
purposes. This term is used to differentiate from a safety control
safety process data communications
A type of I/O data communications that is used for safety control purposes.
standard process data communications
A type of I/O data communications that is used for standard control purposes.
Safety I/O connection
A type of connections that is used for safety process data communications.
CIP Safety connection
Safety I/O connection that is used to transmit safety process data by the communication pro-
tocol called CIP Safety. CIP Safety originator connection and CIP Safety target connection
are available depending on the roles of communications.
CIP Safety originator connection
A CIP Safety connection when an own node is a CIP Safety originator.
CIP Safety target connection
A CIP Safety connection when an own node is a CIP Safety target.
CIP Safety originator
A role in CIP Safety communications. A CIP Safety originator manages a CIP Safety connec-
tion for a CIP Safety target. CIP Safety originator exists in a connection unit, and not in a
device unit.
CIP Safety target
A role in CIP Safety communications. A CIP Safety target receives a request to open a CIP
Safety connection from a CIP Safety originator. CIP Safety target exists in a connection unit,
and not in a device unit.
single-cast connection
A safety process data communications method in CIP Safety. A CIP Safety originator and a
CIP Safety target communicate one-to-one in this connection.
You can apply this setting for both of input data and output data.
multi-cast connection
A safety process data communications method in CIP Safety. A CIP Safety target sends the
input data of the CIP Safety target in multi-cast to multiple CIP Safety originators in this con-
nection.
This is a connection type you can set only for input data of a CIP Safety target. You cannot
apply this setting for output data.
FSoE master connection
Master safety I/O connection that is used to transmit safety process data by the communica-
tion protocol called FSoE.
safety master connection
The generic term for the CIP Safety originator connection and the FSoE master connection.
exposing global variables to the NJ/NX-
series CPU Unit
Exposing specified global variables to the NJ/NX-series CPU Unit to allow the exchange of
standard signals between the NJ/NX-series CPU Unit and the Safety CPU Unit.
Safety Control Unit
The generic term for a Unit that is used in safety controls.
Safety CPU Unit
A CPU Unit that is used for safety controls. This is a type of NX Unit.
Safety I/O Unit
An I/O Unit that is used for safety controls. This is a type of NX Unit.
Terminology
39
NX-series Safety Control Unit User's Manual (Z930)
Содержание NX-SIH400
Страница 4: ...Introduction 2 NX series Safety Control Unit User s Manual Z930 ...
Страница 46: ...Revision History 44 NX series Safety Control Unit User s Manual Z930 ...
Страница 108: ...2 Specifications 2 42 NX series Safety Control Unit User s Manual Z930 ...
Страница 132: ...3 Installation and Wiring 3 24 NX series Safety Control Unit User s Manual Z930 ...
Страница 148: ...4 Safety Control Unit Operation 4 16 NX series Safety Control Unit User s Manual Z930 ...
Страница 216: ...5 System Configuration and Setup 5 44 NX series Safety Control Unit User s Manual Z930 ...
Страница 306: ...6 Programming 6 90 NX series Safety Control Unit User s Manual Z930 ...
Страница 378: ...7 Checking Operation and Actual Operation 7 72 NX series Safety Control Unit User s Manual Z930 ...
Страница 390: ...8 Calculating Safety Reaction Times 8 12 NX series Safety Control Unit User s Manual Z930 ...
Страница 412: ...11 Safety Data Logging 11 10 NX series Safety Control Unit User s Manual Z930 ...
Страница 504: ...12 Troubleshooting 12 92 NX series Safety Control Unit User s Manual Z930 ...
Страница 550: ...l Safety I O Terminal Settings l I O Map Settings Appendices A 38 NX series Safety Control Unit User s Manual Z930 ...
Страница 554: ...l I O Map Settings Appendices A 42 NX series Safety Control Unit User s Manual Z930 ...
Страница 558: ...l Safety I O Terminal Settings l I O Map Settings Appendices A 46 NX series Safety Control Unit User s Manual Z930 ...
Страница 564: ...l Safety I O Terminal Settings l I O Map Settings Appendices A 52 NX series Safety Control Unit User s Manual Z930 ...
Страница 623: ...I Index I 1 NX series Safety Control Unit User s Manual Z930 I ...
Страница 625: ......