Glossary
Manual
620 Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
Control word
Bit-coded -"Process data" word, transmitted by -> "PROFIdrive" at cyclic intervals to control
the drive states.
Double motor module
Two motors can be connected to and operated with a Double Motor Module. See -> "Motor
module" - "Single motor module". Former name: –> "Double-axis module"
Drive
The term "drive" comprises the following components: motor (electric or hydraulic), final
controlling element (converter, valve), control unit, measuring system, and supply
components (line infeed, pressure accumulator). For electric drives, a distinction is made
between a converter system and an inverter system. With a converter system (e.g. ->
"MICROMASTER 4"), from the point of view of the user the line infeed, actuator, and control
component form a single device; with an inventor system (e.g. -> "SINAMICS S"), the supply
is ensured by means of -> "Line Module", thereby realizing a DC line to which the ->
"Invertors" (-> "Motor Module"s) are connected. The (–> "Control unit") is implemented as a
separate device and connected to the other components by means of –> "DRIVE-CLiQ".
Drive component
Hardware component connected to a -> "Control unit" via -> "DRIVE-CLiQ" or in some other
way. Drive components include: -> "Motor Module"s, -> "Line Module"s, -> "Motor"s, -
> "Sensor Module"s and -> "Terminal Module"s. The overall layout of a Control Unit together
with the connected drive components is called -> "Drive unit".
Drive group
A drive group comprises a -> "Control Unit" and the -> "Motor Module"s and -> "Line
Module"s connected via -> "DRIVE CLiQ".
Drive parameters
Parameters of a drive axis that include, for example, the parameters of the corresponding
controllers, as well as the motor and encoder data. The parameters of the higher-level
technology functions (positioning, ramp-function generator), however, are called ->
"Application Parameters". See -> "Basic Unit System".
Drive system
The drive system includes all the components in a product family belonging to a drive, e.g.
SINAMICS. A drive system comprises, for example, -> "Line Module"s, -> "Motor Module"s, -
> "Sensors", -> "Motors", -> "Terminal Module"s and -> "Sensor Module"s as well as
additional components such as throttles, filters, cables etc.. See -> "Drive unit"
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