Content of SYMBDEFC.DBF

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Content of SYMBDEFC.DBF

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The structure and the content of the SYMBDEFC.DBF database file is described here.

 

For contact mirrors, the maximum number of connection points for each help symbol to book is three. For that case, this table contains one record for each contact.

 

For cable mirrors, the number of "connection points" (really cable cores) is one for each help symbol (cable core). For that case, this table contains one record for each cable core.

 

For PLC mirrors, the number of connection points for each help symbol (I/O symbol) is in principle unlimited, but the standard symbol library contains I/O symbols with up to 12 connection points. The number of records for each I/O in the SYMBDEFC.DBF table is determined by the number of connection points according to the table below.

 

Number of connection points for each I/O

Number of records for each I/O

1 - 3

1

4 - 6

2

7 - 9

3

10 - 12

4

 

The table below describes the fields of the SYMBDEFC.DBF and their content.

 

Field name

Size

Description

Example

KSPNAME

8

Symbol name (block name)

SKSH1S1O

KSPATT

15

Cross-reference attribute name

QV2O

KNR1

15

Fixed connection point number or reference to the content of a KNR attribute. Connection point 1 for first record, 4 for second record, 7 for third record, or 10 for fourth record.
 

x  = Fixed connection point number
*n = Get connection point number from KNRn

21

KNR2

15

Fixed connection point number or reference to the content of a KNR attribute. Connection point 2 for first record, 5 for second record, 8 for third record, or 11 for fourth record.
 

x  = Fixed connection point number
*n = Get connection point number from KNRn

22

KNR3

15

Fixed connection point number or reference to the content of a KNR attribute. Connection point 3 for first record, 6 for second record, 9 for third record, or 12 for fourth record.
 

x  = Fixed connection point number
*n = Get connection point number from KNRn

 

ABLAUF

2

Sequence number for the record within the same function code (ART)

1

ART

10

Function code

 

Examples for conventional devices:

 

S = Make help contact

O = Break help contact

W = Change-over help contact

 

Examples for PLC:

 

#DI1 = Digital input with 1 conn.point per I/O

#DO2 = Digital output with 2 conn.points per I/O

#AI4 = Analogue input 4 with conn.points per I/O

 

Please refer to the Standard function codes topic for more details.

O