
MVI69-S3964R ♦ CompactLogix or MicroLogix Platform Reference
Siemens 3964R Protocol
Page 62 of 80 ProSoft Technology, Inc.
October 31, 2008
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 CompactLogix or MicroLogix 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 MVI69-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
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