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10
Command lists .................................................................................................................................... 139
10.1
Overview ............................................................................................................................... 139
10.2
Command lists ...................................................................................................................... 140
10.3
Command groups of the SIWAREX WP231 ......................................................................... 144
11
Communication ................................................................................................................................... 145
11.1
Integration in SIMATIC S7-1200 ........................................................................................... 145
11.1.1
General information .............................................................................................................. 145
11.1.2
Creating the hardware configuration ..................................................................................... 146
11.1.3
Calling of function block ........................................................................................................ 148
11.1.4
Working with the function block ............................................................................................ 149
11.1.5
I/O interface of function block ............................................................................................... 151
11.1.6
Error codes of function block ................................................................................................ 152
11.2
Communication via Modbus ................................................................................................. 153
11.2.1
General information .............................................................................................................. 153
11.2.1.1
Principle of data transmission ............................................................................................... 153
11.2.1.2
Data record concept .............................................................................................................. 154
11.2.1.3
Command mailboxes ............................................................................................................ 154
11.2.1.4
Reading registers .................................................................................................................. 155
11.2.1.5
Writing registers .................................................................................................................... 156
12
Operation requiring verification ............................................................................................................ 157
12.1
Preparing for verification ....................................................................................................... 157
12.1.1
Calibration set ....................................................................................................................... 157
12.1.2
Scale design ......................................................................................................................... 157
12.1.3
12.1.4
Parameterization of the scale ............................................................................................... 158
12.1.5
Adjustment and preliminary checking of the scale ............................................................... 158
12.1.6
Calibration label .................................................................................................................... 158
12.2
Verification ............................................................................................................................ 159
12.2.1
Checking of parameters relevant to the verification ............................................................. 159
12.2.2
Checking of parameters relevant to the device .................................................................... 160
13
Technical data .................................................................................................................................... 163
13.1
Technical specifications ........................................................................................................ 163
13.2
Electrical, EMC and climatic requirements ........................................................................... 169
13.3
Approvals .............................................................................................................................. 173
14
Accessories ........................................................................................................................................ 175
A
ESD guidelines ................................................................................................................................... 177
A.1
ESD Guidelines ..................................................................................................................... 177
B
List of abbreviations ............................................................................................................................ 179
Index................................................................................................................................................... 181
SIWAREX WP231
Manual, 07/2014, A5E31238908A-02
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