5 homing mode sequences, 17 profile position mode (pp), 1 general information – BECKHOFF AX2000 CANopen communication profile User Manual

Page 97: 2 objects that are defined in this section, Profile position mode, Homing mode sequences, Profile position mode (pp), General information, Objects that are defined in this section, Canopen drive profile

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4.16.5

Homing Mode SequenceS

The homing movement is started by setting Bit 4 (positive edge). The successful conclusion is indi-
cated by Bit 12 in the status word (see Object 6041

h

). Bit 13 indicates that an error occurred during

the homing movement. In this case, the error code must be evaluated (error register: Objects
1001

h

, 1003

h

, manufacturer status: Object1002

h

).

Bit 4

Meaning

0

homing inactive

0

Þ 1

start homing movement

1

homing active

1

Þ 0

interruption of homing movement

Bit 13

Bit 12

Meaning

0

0

reference point not set, or homing movement not yet finished

0

1

reference point set, homing movement finished

1

0

homing movement could not be successfully concluded (lag error)

1

1

impermissible state

4.17

Profile Position Mode (pp)

4.17.1

General Information

The overall structure for this mode is shown in this figure.:

The special handshake procedure for the control word and status word is described in Section
4.17.4.1.

4.17.2

Objects that are defined in this section

Index

Object

Name

Type

Access

607A

h

VAR

target_position

INTEGER32

rw

607B

h

ARRAY

position_range_limit

INTEGER32

rw

6081

h

VAR

profile_velocity

UNSIGNED32

rw

6083

h

VAR

profile_acceleration

UNSIGNED32

rw

6084

h

VAR

profile_deceleration

UNSIGNED32

rw

6085

h

VAR

quick_stop_deceleration

UNSIGNED32

rw

6086

h

VAR

motion_profile_type

INTEGER16

rw

CANopen for AX2000/2500

97

BECKHOFF

07/2007

CANopen Drive Profile

Trajectory
Generator

Trajectory Generator

Parameters

Position Control

Law Parameters

target_position
(607A )

h

control_effort
(60FA )

h

position_demand_value
(60F2 )

h

Position
Control
Function

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