Programming, 8 homing method – Lenze E94P PositionServo with MVOB User Manual

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Programming

2.15.8 Homing Method

VAR_HOME_METHOD (#244)
The Home Method variable establishes the method that will be used for homing. All supported methods are summarized
in Table 21 and described in sections 2.15.9.1 through 2.15.9.25. These homing methods define the required operation
of the drive in location of the home position. The zero position is always the home position adjusted by the homing offset.

Table 21: Homing Methods

Method

Home Position

0

No operation/reserved. An attempt to execute 0 will result in execution of method 1.

1

Location of first index pulse is on the positive side of the negative limit switch.

2

Location of first index pulse is on the negative side of the positive limit switch.

3

Location of first index pulse is on the negative side of a positive home switch.

1

4

Location of first index pulse is on the positive side of a positive home switch.

1

5

Location of first index pulse is on the positive side of a negative home switch.

2

6

Location of first index pulse is on the negative side of a negative home switch.

2

7

Location of first index pulse is on the negative side of the negative edge of an intermittent home switch.

3

8

Location of first index pulse is on the positive side of the negative edge of an intermittent home switch.

3

9

Location of first index pulse is on the negative side of the positive edge of an intermittent home switch.

3

10

Location of first index pulse is on the positive side of the positive edge of an intermittent home switch.

3

11

Location of first index pulse is on the positive side of the positive edge of an intermittent home switch.

3

12

Location of first index pulse is on the negative side of the positive edge of an intermittent home switch.

3

13

Location of first index pulse is on the positive side of the negative edge of an intermittent home switch.

3

14

Location of first index pulse is on the negative side of the negative edge of an intermittent home switch.

3

15

Reserved for future use.

16

Reserved for future use

17

The edge of a negative limit switch.

18

The edge of a positive limit switch.

19

The edge of a positive home switch.

20

Reserved for future use.

21

The edge of a negative home switch.

22

Reserved for future use.

23

Positive edge of an intermittent home switch.

24

Reserved for future use.

25

The negative edge of an intermittent home switch.

26

Reserved for future use.

27

Negative edge of an intermittent home switch.

28

Reserved for future use.

29

The positive edge of an intermittent home switch.

30

Reserved for future use.

31

Reserved for future use.

32

Reserved for future use.

33

The first index pulse on the negative side of the current position.

34

The first index pulse on the positive side of the current position.

35

Current position becomes home position. Home offset is also active and will be added to current position to
set the zero position.

1 - A positive home switch is one that goes active at a set position, and remains active for all positions greater than the set position.
2 - A negative home switch is one that goes active at a set position, and remains active for all positions less than the set position.
3 - An intermittent home switch is one that is only active for a limited range of travel.

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