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9
Messages ............................................................................................................................................. 85
9.1
Message types ....................................................................................................................... 85
9.2
Message paths ....................................................................................................................... 86
9.3
Evaluating messages with the help of SIWATOOL ............................................................... 86
9.4
Detecting messages with the help of FB SIWA ..................................................................... 86
9.5
Message list ........................................................................................................................... 87
9.5.1
System status message list ................................................................................................... 87
9.5.2
Technology error message list ............................................................................................... 87
9.5.3
Data and operating errors message list ................................................................................. 88
9.5.4
Messages by LEDs on the module ........................................................................................ 89
10
Command lists ...................................................................................................................................... 91
11
Communication in SIMATIC S7-300/1200/1500 .................................................................................... 95
11.1
General information ............................................................................................................... 95
11.2
11.3
Advantages of task sharing .................................................................................................... 96
11.4
Hardware configuration of the electronic weighing system ................................................... 97
11.5
Calling of function block ......................................................................................................... 99
11.6
Working with the function block ........................................................................................... 100
11.7
I/O interface of function block .............................................................................................. 103
11.8
Error codes of function block ............................................................................................... 103
11.9
Diagnostics messages ......................................................................................................... 104
11.10
Diagnostics interrupts .......................................................................................................... 105
11.11
Hardware interrupts ............................................................................................................. 105
12
Technical data ..................................................................................................................................... 107
12.1
Technical specifications ....................................................................................................... 107
12.2
Electrical, EMC and climatic requirements .......................................................................... 110
12.3
Approvals ............................................................................................................................. 114
13
Accessories ......................................................................................................................................... 115
A
Appendix ............................................................................................................................................. 119
A.1
Technical support ................................................................................................................. 119
B
ESD guidelines .................................................................................................................................... 121
B.1
ESD Guidelines .................................................................................................................... 121
C
List of abbreviations ............................................................................................................................. 123
C.1
List of abbreviations ............................................................................................................. 123
Index ................................................................................................................................................... 125
6
SIWAREX WP321
Manual, 07/2014, A5E33715669A-02
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