Baumer AMG 81 D29 Manual - Page 12

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Parameter description

Alarm signals

Attribute 83 supplies the alarm signals. An alarm is set when the encoder has recognized a status which can

lead to an incorrect encoder position. As soon as an alarm status is detected, the relevant bit is set to logic

high. The alarm is reset automatically after 2.5 seconds. The alarm flag bit (attr. 85) is also set with each

alarm.

Warning messages

Warnings are signalled by the encoder when internal encoder parameters are out of tolerance. In contrast to

alarm signals, warnings do not indicate an incorrect position. Warnings are reset as soon as the parameter

which was out of tolerance resumes a correct value. The warning flag bit (attr. 88) is also set with each

warning.

Offset value

Attribute 91 contains the parameter offset value. The offset value is calculated within the preset function and

shifts the position value by the calculated value. The preset function is used after the scaling function. The

offset value is not saved in the non-volatile memory until the "Save" service is activated.

Encoder type

Encoder type = 01: Absolute encoder, singleturn

Encoder type = 02: Absolute encoder, multiturn

General services

The encoder position object supports the following services

Code

0Eh

Get_Attribute_Single

10h

Set_Attribute_Single

05h

15h

16h

BUDE_Manual_DeviceNet_EN.doc

22.10.2010/bja

Service

Supplies the content of a selected attribute

Changes the value of a selected attribute.

The new value is not yet (!) saved in the non-volatile memory

Reset

Resets all parameters to the default values

Restore

Reloads the parameters from the non-volatile memory

Save

Saves all parameters in the non-volatile memory, so that they

are valid again after power off/on

Description

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