Name [en]

Definition [en]

Source

AC/AC converter

Electric energy converter that changes single-phase or polyphase alternating electric currents to single-phase or polyphase alternating current.

Analog output

Terminal to which generates an analog voltage signal (e. g. -10 V ...+10 V) or current signal (e. g. 0 ... 20 mA).

Analog input

Terminal which samples an analog voltage signal (e. g. -10 V ...+10 V) or current signal (e. g. 0 ... 20 mA).

Auxiliary power supply module

Separately orderable hardware for power supply (e.g., 24V DC) for the electronics of the components of a power drive system (PDS).

Naming according to IEC 61800-2

Axis

Logical element inside an automation system (e.g., a motion control system) that represents some form of movement.

DIN EN 61800-7-1:2016-11

Basic drive module (BDM)

Electronic power converter and related control, connected between an electric supply and a motor.

IEC 61800-2:2015 [3.4];DIN EN 61800-2 (VDE 0160-102):2016-08

Braking resistor

Ohmic resistor that is connected with a brake chopper to the DC link.

Communication interface

Interface to provide communication capabilities (e.g. RS-485, also known as TIA-485(-A) or EIA-485 and/or Ethernet with related support of communication protocols like e.g. CAN, PROFIBUS, PROFINET, vendor specific communication bus) of a device.

The communication interface may be an integrated part of a device (e.g. control module, output converter, ...) or part of an additional extension board/module.

Communication module

Separately orderable hardware that contains at least one communication interface.

Complete drive module (CDM)

Drive module consisting of, but not limited to, the BDM and extensions such as protection devices, transformers and auxiliaries, but excluding the motor and the sensors which are mechanically coupled to the motor and/or to the load side of a powertrain.

IEC 61800-2:2015 [3.8]

DIN EN 61800-2 (VDE 0160-102):2016-08

Component

Constituent part of a device which cannot be physically divided into smaller parts without losing its particular function.

IEC 60050-151 [151-11-21]

Contactor

Element intended to carry electric current.

195-01-07 MOD, see IEC 60050-121, 151-15-56.

Control module

Physical unit that contains – in a module/subassembly or device – an application program to control the BDM.

IEC 61800-7-1 3.2.7 for "control device"

DC bus

DC bus is a type of circuit that serves as a common pathway shared by several components, and which uses a direct current voltage level as a reference.

DC bus module

Separately orderable component and serves as an interface between rectifier and DC/AC converter in electric drives.

DC/DC converter

Electric energy converter that changes direct electric current to direct electric current of another voltage.

DC link

Power DC circuit linking the input converter and the output converter of an indirect converter, consisting of capacitors and/or reactors to reduce DC voltage ripple or DC current ripple.

IEC 61800-2:2015 [3.11]

Device

Material element or assembly of such elements intended to perform a required function. NOTE – A device may form part of a larger device.

IEC 60050-151 [151-11-20]

Digital output

Terminal which samples a binary signal (characterized by the states "high" and "low"), with active signal (e.g., 24 V DC) or passive signal (e.g., via optocoupler) and if necessary configurable as switching, pulse, or frequency output.

Digital input

Terminal which receives a binary signal (characterized by the states "high" and "low"), with active signal (e.g., 24 V DC) or passive signal (e.g., via optocoupler) and if necessary configurable as switching, pulse, or frequency input.

Electric motor

Electric machine intended to transform electric energy into mechanical energy. Note to entry: For the purposes of this OPC UA Companion Specification, the motor includes all sensors which are mounted on it and which are relevant for supporting the operating mode and interacting with a CDM.

IEC 61800-2 [3.50]

Encoder interface

Interface for any velocity/position sensor input + optionally sensor emulation for output.

The encoder interface may be an integrated part of a device (e.g. control module, output converter, ...) or part of an additional extension module. The encoder interface can also include an interface for additional sensor data (internal or external and a motor type plate).

Encoder interface module

Separately orderable hardware that contains at least one encoder interface.

Frequency converter

A device with open loop or/and closed loop control functions for changing the frequency and amplitude of an AC input voltage to control the torque/speed of at least one connected motor.

Frequency converters are mainly used in applications with no/slow setpoint changes at their working point like in pumps, fans or conveyor belts.

Gear

Part of machine to transfer and transform (transmission ratio) movements, energy and torques or forces.

Input converter interface

Electric energy converter that changes single-phase or polyphase alternating electric currents to unidirectional direct electric current (non-regenerative) and optionally also direct electric current to single-phase or polyphase alternating electric currents (regenerative).

Based on "rectifier" acc. to IEC 60050-151-2001 [151.13.45] and active input converter acc. to IEC 61800-2

Input converter

Separately orderable hardware that contains at least one input converter interface.

Input filter

Input filters are filters in the CDM input which are designed to protect the supply network from harmonic loads and/or interference voltages created in the converter. Input filters can be passive or active filters for low-frequency harmonics. Input filters combined with an input reactor are designed to limit the cable-born electromagnetic interference caused by power units according to the specifications of the EMC regulations. Alternative name: Line filter

Input reactor

Reactor between mains and input converter.

Input reactors limit low-frequency network effects to permissible values. Alternative name: line reactor, input choke.

Inverter/Drive

Electric energy converter that changes direct electric current to single-phase or polyphase alternating current

IEC 61800-2:2015

Motor contactor

Switching device that is suitable for switching motors on and off.

Motor starter

The combination of all the devices required to start and stop a motor in combination with suitable overload protection.

IEC 60947-4-1

Operation

Combination of activities necessary to permit an installation to function.

NOTE – Operation includes matters as switching, controlling, monitoring and maintenance as well as any work activities.

IEC 60050-151 [151-11-28]

Output converter

Separately orderable hardware that contains at least an output converter module interface.

Output converter module interface

Electric energy converter that changes direct electric current to single-phase or polyphase alternating current.

Based on “output converter module interface” acc. to

IEC 60050-151:2001 [151.13.46] for "inverter"

Output filter

Du/dt filter or sinus filter to limit high charging/discharging currents and overvoltage (du/dt) on the motor cable (cable between output converter and motor).

Alternative name: Motor filter.

Output reactor

Reactor (inductivity) in the converter or inverter output for reducing the capacitive charge/discharge currents of long motor cables.

Alternative name: Motor reactor, choke.

Powertrain

All asset components related to one or multiple motor(s)/axis system(s) including the drive equipment.

Power drive system(PDS)

System consisting of one or more complete drive module(s) (CDM) and a motor or motors; any sensors which are mechanically coupled to the motor shaft are also part of the PDS, however the driven equipment is not included.

IEC 61800-2:2015 [3.79]

DIN EN 61800-2 (VDE 0160-102):2016-08

Rated value

Quantity value assigned, generally by a manufacturer, for a specified operating condition of a machine.

Note 1 to entry:

The rated voltage or voltage range is the rated voltage or voltage range between lines at the terminals.

IEC 60050-411:1996, 411-51-23

(also used in IEC 60034-1:2017)

Rated voltage range

Voltage range as declared by the manufacturer expressed by its lower and upper rated voltages.

IEC 60050-151: Amd 2 [151-16-49]

Resolver

Electromagnetic motor feedback device with one sine and cosine signal, respectively, are induced in two coils displaced by 90°.

Safe torque off (STO)

Function to stop a PDS safely by preventing force-producing power from being provided to the motor and by preventing an unwanted restart of the motor (acc. to stop category 0 in EN 60204-1).

Safety interface

Interface to provide (additional) functional safety capabilities (e.g. STO, SS1, SS2) of a CDM / motor starter. The safety interface may be an integrated part of a device (e.g. control module, output converter, ...) or of an additional extension board/module.

The following standards deal with functional safety:

IEC 62061, 61800-5-2, 61800-5-3, ISO 13849-2

Safety module

Separately orderable hardware that contains at least a safety interface.

Servo drive

A device with at least open loop/closed loop control functions for changing the frequency and amplitude of an DC or AC input voltage to control the torque/speed of at least one connected motor.

Servo drives are mainly used in applications in which it is required to follow a setpoint with a high dynamic, respectively where disturbances must be compensated dynamically.

Servo drives usually control servo motors.

The connected motor is not included in this definition of servo drive.

Softstarter

A motor starter that offers a stepless, smooth starting with a limited starting torque and starting current.

Transformer

Transformers are used to transform AC voltages and to separate two different voltage potentials.

They consist of two coils (primary coil and secondary coil) that are coupled via a magnetic field.

Variable speed drive

A device that converts the incoming electrical supply of fixed frequency and voltage into a variable frequency and variable voltage output to the motor with the purpose of corresponding the motor speed and torque.

Notation

DataType

ValueRank

ArrayDimensions

Description

0:Int32

0:Int32

-1

omitted or null

A scalar Int32.

0:Int32[]

0:Int32

1

omitted or {0}

Single-dimensional array of Int32 with an unknown size.

0:Int32[][]

0:Int32

2

omitted or {0,0}

Two-dimensional array of Int32 with unknown sizes for both dimensions.

0:Int32[3][]

0:Int32

2

{3,0}

Two-dimensional array of Int32 with a size of 3 for the first dimension and an unknown size for the second dimension.

0:Int32[5][3]

0:Int32

2

{5,3}

Two-dimensional array of Int32 with a size of 5 for the first dimension and a size of 3 for the second dimension.

0:Int32{Any}

0:Int32

-2

omitted or null

An Int32 where it is unknown if it is scalar or array with any number of dimensions.

0:Int32{ScalarOrOneDimension}

0:Int32

-3

omitted or null

An Int32 where it is either a single-dimensional array or a scalar.

Attribute

Value

Attribute name

Attribute value. If it is an optional Attribute that is not set “--“ will be used.

References

NodeClass

BrowseName

DataType

TypeDefinition

Other

ReferenceType name

NodeClass of the target Node.

BrowseName of the target Node.

DataType of the referenced Node, only applicable for Variables.

TypeDefinition of the referenced Node, only applicable for Variables and Objects.

Additional characteristics of the TargetNode such as the ModellingRule or AccessLevel.

NOTE Notes referencing footnotes of the table content.

Name

Short Name

Description

0:Mandatory

M

The Node has the Mandatory ModellingRule.

0:Optional

O

The Node has the Optional ModellingRule.

0:MandatoryPlaceholder

MP

The Node has the MandatoryPlaceholder ModellingRule.

0:OptionalPlaceholder

OP

The Node has the OptionalPlaceholder ModellingRule.

ReadOnly

RO

The Node AccessLevel has the CurrentRead bit set but not the CurrentWrite bit.

ReadWrite

RW

The Node AccessLevel has the CurrentRead and CurrentWrite bits set.

WriteOnly

WO

The Node AccessLevel has the CurrentWrite bit set but not the CurrentRead bit.

SourceBrowsePath

Reference Type

Is Forward

TargetBrowsePath

SourceBrowsePath is always relative to the TypeDefinition. Multiple elements are defined as separate rows of a nested table.

ReferenceType name

True = forward Reference

TargetBrowsePath points to another Node, which can be a well-known instance or a TypeDefinition. You can use BrowsePaths here as well, which is either relative to the TypeDefinition or absolute.

If absolute, the first entry needs to refer to a type or well-known instance, uniquely identified within a namespace by the BrowseName.

BrowsePath

Reference

NodeClass

BrowseName

DataType

TypeDefinition

Others

BrowsePath is always relative to the TypeDefinition. Multiple elements are defined as separate rows of a nested table

NOTE Same as for Table 3

BrowsePath

<Attribute name> Attribute

BrowsePath is always relative to the TypeDefinition. Multiple elements are defined as separate rows of a nested table

The values of attributes are converted to text by adapting the reversible JSON encoding rules defined in OPC 10000-6.

If the JSON encoding of a value is a JSON string or a JSON number then that value is entered in the value field. Double quotes are not included.

If the DataType includes a NamespaceIndex (QualifiedNames, NodeIds or ExpandedNodeIds) then the notation used for BrowseNames is used.

If the value is an Enumeration the name of the enumeration value is entered.

If the value is a Structure then a sequence of name and value pairs is entered. Each pair is followed by a newline. The name is followed by a colon. The names are the names of the fields in the DataTypeDefinition.

If the value is an array of non-structures then a sequence of values is entered where each value is followed by a newline.

If the value is an array of Structures or a Structure with fields that are arrays or with nested Structures then the complete JSON array or JSON object is entered. Double quotes are not included.

Attribute

Value

DisplayName

The DisplayName is a LocalizedText. Each server shall provide the DisplayName identical to the BrowseName of the Node for the LocaleId “en”. Whether the server provides translated names for other LocaleIds is server-specific.

Description

Optionally a server-specific description is provided.

NodeClass

Shall reflect the NodeClass of the Node.

NodeId

The NodeId is described by BrowseNames as defined in 3.4.2.1.

WriteMask

Optionally the WriteMask Attribute can be provided. If the WriteMask Attribute is provided, it shall set all non-server-specific Attributes to not writable. For example, the Description Attribute may be set to writable since a Server may provide a server-specific description for the Node. The NodeId shall not be writable, because it is defined for each Node in this specification.

UserWriteMask

Optionally the UserWriteMask Attribute can be provided. The same rules as for the WriteMask Attribute apply.

RolePermissions

Optionally server-specific role permissions can be provided.

UserRolePermissions

Optionally the role permissions of the current Session can be provided. The value is server-specifc and depend on the RolePermissions Attribute (if provided) and the current Session.

AccessRestrictions

Optionally server-specific access restrictions can be provided.

Attribute

Value

EventNotifier

Whether the Node can be used to subscribe to Events or not is server-specific.

Attribute

Value

MinimumSamplingInterval

Optionally, a server-specific minimum sampling interval is provided.

AccessLevel

The access level for Variables used for type definitions is server-specific, for all other Variables defined in this specification, the access level shall allow reading; other settings are server-specific.

UserAccessLevel

The value for the UserAccessLevel Attribute is server-specific. It is assumed that all Variables can be accessed by at least one user.

Value

For Variables used as InstanceDeclarations, the value is server-specific; otherwise it shall represent the value described in the text.

ArrayDimensions

If the ValueRank does not identify an array of a specific dimension (i.e. ValueRank <= 0) the ArrayDimensions can either be set to null or the Attribute is missing. This behaviour is server-specific.

If the ValueRank specifies an array of a specific dimension (i.e. ValueRank > 0) then the ArrayDimensions Attribute shall be specified in the table defining the Variable.

Historizing

The value for the Historizing Attribute is server-specific.

AccessLevelEx

If the AccessLevelEx Attribute is provided, it shall have the bits 8, 9, and 10 set to 0, meaning that read and write operations on an individual Variable are atomic, and arrays can be partly written.

Attributes

Value

Value

Optionally a server-specific default value can be provided.

ArrayDimensions

If the ValueRank does not identify an array of a specific dimension (i.e. ValueRank <= 0) the ArrayDimensions can either be set to null or the Attribute is missing. This behaviour is server-specific.

If the ValueRank specifies an array of a specific dimension (i.e. ValueRank > 0) then the ArrayDimensions Attribute shall be specified in the table defining the VariableType.

Attributes

Value

Executable

All Methods defined in this specification shall be executable (Executable Attribute set to “True”), unless it is defined differently in the Method definition.

UserExecutable

The value of the UserExecutable Attribute is server-specific. It is assumed that all Methods can be executed by at least one user.