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Rexroth IndraDrive C Drive Controllers HCS02.1 ... - Bosch Rexroth

Rexroth IndraDrive C Drive Controllers HCS02.1 ... - Bosch Rexroth

Rexroth IndraDrive C Drive Controllers HCS02.1 ... - Bosch Rexroth

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<strong>Rexroth</strong> <strong>Indra<strong>Drive</strong></strong> Commissioning and Parameterization 7-119<br />

Preferred Scaling/<br />

Parameter Scaling<br />

Linear and Rotary Data<br />

Motor Reference/Load Reference<br />

Absolute/Modulo Evaluation<br />

Basic Scaling Settings<br />

Settings and Tips for Modulo<br />

Scaling<br />

DOK-INDRV*-FU*********-IB01-EN-P<br />

• temperature<br />

To simplify the scaling definition so-called "preferred scalings" were<br />

predefined. But physical data can also be exchanged in the controlinternal<br />

format, i.e. without concrete reference to physical units. To do<br />

this, the scaling for certain data can be freely set ("parameter scaling").<br />

Depending on the kind of motion of motor or load, the data can be<br />

displayed<br />

• in linear form (linear axis or motor motion)<br />

- or -<br />

• in rotary form (rotary axis or motor motion)<br />

In the drive firmware there are mechanical transfer elements between<br />

motor and load mapped by means of mathematical models. The physical<br />

data can thereby be referred to<br />

• the point where the load takes effect (load-side data reference)<br />

- or -<br />

• the point where the force is input (motor-side data reference).<br />

For technical reasons, the value range of the position data the controller<br />

can display is limited.<br />

In the case of axes with limited travel range (e.g. linear axes), the current<br />

axis position within the controller-side value range can be unequivocally<br />

displayed (see "Measuring Systems: "Basics on Measuring Systems,<br />

Resolution" in chapter "Motor, Mechanical Axis System, Measuring<br />

Systems").<br />

In the case of axes with unlimited travel range (e.g. rotary axes) it is<br />

useful to limit the infinite value range of the position data to a finite value.<br />

With continuous motion the value range is recurrently run from minimum<br />

to maximum value ("modulo" evaluation of the actual position value).<br />

First make the basic scaling settings for position, velocity, acceleration<br />

and torque/force data. This is only possible in the parameter mode<br />

(communication phase 2).<br />

You have to determine:<br />

• scaling type (rotary/linear/without scaling/percentage-based, if<br />

necessary)<br />

• unit of measurement and unit of time, if necessary<br />

• data reference (motor/load)<br />

• absolute/modulo format for position data<br />

• preferred scaling (predefined) or parameter scaling (can be individually<br />

defined)<br />

To do this, set the respective bits in the following parameters:<br />

• S-0-0076, Position data scaling type<br />

• S-0-0044, Velocity data scaling type<br />

• S-0-0160, Acceleration data scaling type<br />

• S-0-0086, Torque/force data scaling type<br />

When selecting "modulo format" the value range limit has to be set in<br />

parameter S-0-0103, Modulo value.<br />

Note: For "modulo format" enter a value greater than or equal to the<br />

value of parameter S-0-0103 in parameter S-0-0278,<br />

Maximum travel range!

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