Baumer GXP8W Manuel - Sayfa 11

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Parameter Significance

Alarm signals

Attribute 83 provides the alarm signals. An alarm is set as soon as the encoder is recognizing a status that

may lead to a wrong encoder position. Upon recognising the alarm status, the relevant bit is set to logically

high.

The alarm is automatically reset after 2.5 s. The alarm flagbit (attribute 85) is also set with every alarm.

Warning signals

The encoder will transmit warning signals upon the internal encoder parameters being beyond the

tolerances. Contrary to alarm signals warning signals do not indicate a wrong position. Warnings are being

reset as soon as the parameter that was beyond the tolerances turns into a correct value again. The Warn-

Flagbit (attribute 88) is also set with every warning.

Offset

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

and will shift the position value by the calculated value. The preset function is applied after the scaling

function.

The offset value is not stored into the non-volatile memory until the service "save" is carried out.

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

Manual_GXP8W_EN.doc

04.05.11

Service

Provides the contents of a selected attribute

Changes the value of a selected attribute.

The new value is not yet (!) stored into the non-volatile memory

Reset

Reset of all parameters to default

Restore

Restores all parameters of the non-volatile memory

Save

Saves all parameters in the non-volatile memory to be restored

again after mains off/on.

Significance

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Baumer IVO GmbH & Co. KG

Villingen-Schwenningen, Germany