Operating Mode Homing; Procedure Of A Homing Under Consideration Of Zero Pulse Or Zero Angle - Baumuller b maXX BM3000 Operating Manual

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Description of the Software Modules and Parameters

Operating mode Homing

An in depth knowledge of the absolute position of the drive is generally required to oper-

ate positioning drives. If an incremental encoder is used for position actual value record-

ing or if more than one motor revolution is necessary for the actual value recording with

tilt encoder for the entire traversing range, homing is required. Homing can also be used

to initialize the position actual value recording with absolute value encoders.

Drive guided referencing is addressed below. With drive guided homings, the process

control and movement of the motor is controlled by the drive itself and the reference

switch is thereby activated. This is implemented as a separate operating mode in the

The homings usually use a switch as a reference mark. For more accuracy, the zero mark

of the encoder is included; however, homings without consideration of the zero mark are

The zero pulse is used as the zero mark with incremental encoders. The mechanical zero

angle is used with tilt encoders and sine-cosine encoders. The mechanical zero angle

thereby means 0° in the parameter mechanical angle actual value Z106.5–.

Either one of the two end switches (negative or positive hardware end switch) or a sepa-

rate zero point switch may be used as the reference switch. The type of referencing

(switch, activation direction, etc.) is adjusted through Parameter

justing mode. The different homing methods thereby correspond with the drive profile of

A sample procedure of the homing to the negative end switch under consideration of the

zero pulse / zero angle is described below. The procedure of the other homings corre-

sponds with this procedure. There are differences especially in the direction of travel and

sought after switch edge.

Homing procedure to negative end switch with zero pulse

Parameter manual b maXX BM3000

Document no.: 5.12001.07

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