Rexroth IndraDrive Introducing the Products 1-1
DOK-INDRV*-FU*********-IB01-EN-P
1 Introducing the Products
1.1 Introduction
Terms, Basic Principles
Parameters
Communication between master and drive takes place, with a few
exceptions, by means of parameters.
Parameters are used for:
• determining the configuration
• parameterizing the control loop
• triggering and controlling drive functions and commands
• transmitting command values and actual values (according to
requirements, cyclically or acyclically)
All operating data are mapped to parameters!
The operating data stored in parameters can be identified by means of
the IDN. They can be read and transferred, if required. The user write
access to parameters depends on the properties of the respective
parameter and the current communication phase. Specific parameter
values (operating data) are checked for validity by the drive firmware.
Data Storage and Parameter Handling
Several non-volatile data memories are available in an IndraDrive device:
• in the controller
• in the motor encoder (depending on motor type)
In addition, a volatile data memory (working memory) is available in the
controller.
Condition as supplied of the Rexroth drive components:
• The controller memory contains the drive firmware and the controller-
specific parameter values.
• The motor encoder memory contains the encoder-specific and,
depending on the motor type, the motor-specific parameter values.
The application-specific parameter values are stored in the controller. Due
to the limited number of writing cycles of non-volatile storage media,
application-specific parameter values can be stored in the working
memory (volatile memory), too.
Saving application-specific parameter values is required in the following
cases:
• after initial commissioning of the machine axis or the motor
• before replacing the controller for servicing (if possible)
Application-specific parameter values can be saved via:
• "IndraWorks D" commissioning tool → saving the parameter values on
external data carrier
• control master → saving the parameter values on master-side data
carrier
• comfort control panel
Data Memory
Condition As Supplied
Storing the Application-Specific
Parameter Values
Saving Parameter Values
(64 paginas)
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