beautypg.com

English – Burkert Type 8642 User Manual

Page 17

background image

8642/142 791 - 15

english

MODE _BLK

This parameter contains the current mode and the
permitted and normal mode of the block

ST_REV

A block has static block parameters, that are not
changed by the process. Values are assigned to this
parameter during the configuration or optimisation. The
value of the parameter ST_REV must increase by 1
after every change of a static block parameter. This
provides a check of the parameter revision.

STRATEGY

Grouping of Funtion Block. The STRATEGY field can be
used to group blocks.

TAG_DESC

Every block can be assigned a textual TAG description.
The TAG_DESC is the address of the block. The
TAG_DESC must be unambiguous and unique in the
fieldbus system.

TARGET_MODE

The TARGET_MODE parameter contains desired mode
normally set by a control application or an operator.

ALARM_SUM

This parameter contains the current status of the Block
Alarms. The parameter ALARM_SUM is not supported
at the moment.

ALERT_KEY

This parameter contains the identification number of the
plant unit. It helps to identify the location (plant unit) of an
event (crossing a limit).

5.2.1.2

Description of the standard parameters