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Burkert Type 8643 User Manual

Page 28

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28

Configuring the network

Description of the standard parameters

9.2.1.2.

These parameters are included in the physical block, in the function block and in the transducer block.

parameter

Description

alarm_sum

This parameter includes the current status of the block alarm. The parameter
ALARM_SUM is not yet supported.

alErt_kEy

This parameter includes the identification number of the plant unit. As a result, the
location (plant unit) of an event can be detected.

moDE_Blk

This parameter includes the current mode and the permitted and normal mode of the
block.

st_rEV

A module has static parameters which are not changed by the process. Values are
assigned to these parameters during the configuration or optimisation. The values
of the parameters ST_REV must increase by 1 whenever a static block parameter is
changed. As a result, the parameter revision can be checked.

stratEgy

Arrangement of the function module. The STRATEGY field can be used to group
blocks.

tag_DEsC

Each block can be assigned a written TAG description. TAG_DESC is the address
of the block. TAG_DESC must be unique and standard in the field bus system.

targEt_moDE

The TARGET_MODUS includes the required mode which is usually specified by a
control application or by operating personnel.

Properties of the standard parameters

9.2.1.3.

rel. index

Variable

Data type

storage

size

access

1

ST-REV

Unsigned 16

N

2

r,w

2

TAG_DESC

Octet String *

S

32

r,w

3

STRATEGY

Unsigned 16

S

2

r,w

4

ALERT_KEY

Unsigned 8

S

1

r,w

5

TARGET_MODE

Unsigned 8

S

1

r,w

6

MODUS_BLK

current
permitted
normal

DS-37

N**

Cst
Cst

3

r

7

ALARM_SUM

DS-42

8

r

Assignments of the standard parameters

Table 2:

* The preferred data type should be Visible String

** N-accepted mode = RCAS

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Type 8643 PA