ProSoft Technology ProLinx S3964R Manual de usuario descargar pdf (Pagina 52)

MVI46-S3964R ♦ SLC Platform Reference

Siemens 3964R Protocol

Page 52 of 74 ProSoft Technology, Inc.

Receive Data from CP (Block 5)

Offset Data Length

0 910X 1

1 Reserved 1

2 Data Block (5) 1

3 Data 30

5.2.4 Communications

Job Allocation by the SLC Controller

This section describes the different types of jobs and the relevant parameters to

be entered. For a better understanding a printout of the sample ladder file is

recommended.

Every job that is transferred to or from the MVI46-S3964R consists of defined

header data and user data.

The Job structure in general:

Word: High Byte: Low Byte:

0 Header data

.. ..

9 Header data

10 User data

.. ..

137 User data

Header Data

The header data consists of 10 words with a job identifier and parameter data.

The header data is to be entered either in the file HEADER_P1 to send to port 1

or the file HEADER_P2 to send to port 2.

The header in general:

Word: High Byte: Low Byte:

0 Job identifier (hex)

1 00 Data Block (DB)

2 00 Data Word (DW)

3 Number of data words/data bytes

4 Coordination byte 9 Coordination byte 10

5 00 Data Type

6 00 00

7 00 00

8 00 00

9 00 00

The meaning of the entries and possible values are described below.

April 17, 2008

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ProSoft Technology ProLinx S3964R Manual de usuario Pagina 52