Siemens SIMATIC ET 200S Operating Instructions Manual page 5

4 1SSI........................................................................................................................................ 219
4.1 Product Overview.......................................................................................................................219
4.2 Clocked Mode ............................................................................................................................222
4.3 Example: Starting 1SSI..............................................................................................................223
4.4 Terminal Assignment Diagram...................................................................................................227
4.5 Configuring standard mode and fast mode................................................................................228
4.6 Functions of the 1SSI.................................................................................................................229
4.6.1 Overview of 1SSI functions........................................................................................................229
4.6.2 Encoder Value Detection ...........................................................................................................230
4.6.3 Gray/Binary Converter ...............................................................................................................232
4.6.4 Transmitted Encoder Value and Standardization ......................................................................232
4.6.5 Detection of Direction and Reversal of the Direction of Rotation ..............................................234
4.6.6 Comparator (Only in Standard Mode)........................................................................................235
4.6.7 Latch Function (Only in Standard Mode) ...................................................................................237
4.6.8 Error Detection in Standard Mode .............................................................................................239
4.6.9 Error Detection in Fast Mode .....................................................................................................240
4.7 Behavior at CPU-Master-STOP .................................................................................................241
4.8 Setting parameters for the 1SSI.................................................................................................242
4.9 Control and Feedback Interfaces in Standard Mode .................................................................244
4.10 Feedback Interface in Fast Mode ..............................................................................................247
4.11 Technical Specifications ............................................................................................................249
5 2PULSE................................................................................................................................................. 253
5.1 Product Overview.......................................................................................................................253
5.2 Example: Starting 2PULSE........................................................................................................255
5.3 Modes and Functions.................................................................................................................258
5.3.1 Overview ....................................................................................................................................258
5.3.2 Pulse Output Mode ....................................................................................................................260
5.3.3 Pulse-Width Modulation Mode (PWM).......................................................................................265
5.3.4 Pulse Train Mode.......................................................................................................................272
5.3.5 On/Off-Delay Mode ....................................................................................................................278
5.3.6 Function: Direct Control of the DO Digital Output......................................................................286
5.3.7 Function: Error Detection/Diagnostics .......................................................................................287
5.3.8 Behavior at CPU-Master-STOP .................................................................................................289
5.4 Application Examples.................................................................................................................290
5.4.1 Overview ....................................................................................................................................290
5.4.2 Filling Liquids .............................................................................................................................291
5.4.3 Example: Heating a Liquid .........................................................................................................295
5.4.4 Packing Piece Goods.................................................................................................................300
5.4.5 Applying a Protective Layer .......................................................................................................305
5.5 Technical Specifications of the 2PULSE, Terminal Assignment ...............................................310
5.6 Technical Specifications for Programming, Reference Lists .....................................................314
Index...................................................................................................................................................... 319
Technological Functions
Operating Instructions, 02/2007, A5E00124867-05
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