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.