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
