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Function library

Function blocks

3.2.20 Setpoint conditioning (CCTRL2)

3−77

EDSVS9332K−EXT EN 4.0

3.2.20.2 Homing

There are different possibilities of homing the drive:

l For commissioning, the reference is set once (reasonable for machines with risk of collision).

( 3−77)

l After mains connection, homing is carried out once, so that the drive finds the home position.

Possibilities for carrying out the homing process:

– Via the REFC function block ( 3−261)

– Via the function "Set reference dynamically" (see below).

l Permanent mark registration during running operation (mark synchronisation):

– Synchronising via touch probe at terminal X5/E4. ( 3−78)

– Synchronising via touch probe at CCTRL2−TPIN. ( 3−79)

) Note!

For a faultless homing with the REFC function block you have to deactivate the

touch probe function with CCTRL2−TPIN/E4 = LOW during homing. ( 3−263)

Setting the reference dynamically

This function for instance can be used to traverse to the mark in the inching mode.

A) If you activate the function via the input CCTRL2−TPIN:

1. Set CCTRL2−N2−SET = HIGH

2. Define the position of the touch probe sensor on the machine at CCTRL2−TP−POS.

3. Set CCTRL2−TPIN/E4 = LOW.

4. A LOW−HIGH edge at CCTRL2−TPIN activates "Set reference dynamically".

B) If you activate the function via terminal X5/E4:

1. Set CCTRL2−N2−SET = HIGH

2. Define the position of the touch probe sensor on the machine at CCTRL2−TP−POS.

3. Set CCTRL2−TPIN/E4 = HIGH.

4. Select the signal edge for the input signal at terminal X5/E4:

– In the case of CCTRL2−TP−EDGE−SELECT = LOW, HIGH−LOW edges are evaluated.

– In the case of CCTRL2−TP−EDGE−SELECT = HIGH, LOW−HIGH edges are evaluated.

5. A corresponding signal edge at terminal X5/E4 activates "Set reference dynamically".

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