Siemens SIMATIC ET 200S Operating Instructions Manual page 4

Table of contents
2.9 Position feedback........................................................................................................................ 90
2.9.1 Overview ..................................................................................................................................... 90
2.9.2 Position Detection ....................................................................................................................... 92
2.9.3 Gate Functions for Position Detection ........................................................................................ 93
2.9.4 Latch Function............................................................................................................................. 96
2.9.5 Synchronization........................................................................................................................... 99
2.9.6 Assignment of the Feedback and Control Interface for Position Feedback.............................. 101
2.9.7 Assigning Parameters for Position Feedback ........................................................................... 107
2.10 Evaluation of count and direction signal ................................................................................... 108
2.11 Diagnostics................................................................................................................................ 111
2.11.1 Diagnostics using the LED display............................................................................................ 111
2.11.2 Error types................................................................................................................................. 112
2.12 Behavior at CPU-Master-STOP ................................................................................................ 113
2.13 Technical Specifications............................................................................................................ 115
3 1Count5V............................................................................................................................................... 119
3.1 Product Overview...................................................................................................................... 119
3.2 Clocked Mode ........................................................................................................................... 122
3.3 Brief instructions on commissioning the 1Count5V .................................................................. 123
3.4 Terminal Assignment Diagram.................................................................................................. 126
3.5 Operating modes and application areas of the 1Count5V ........................................................ 127
3.6 Count Modes............................................................................................................................. 129
3.6.1 Overview ................................................................................................................................... 129
3.6.2 Endless Counting ...................................................................................................................... 131
3.6.3 Once-Only Counting.................................................................................................................. 133
3.6.4 Periodic Counting...................................................................................................................... 136
3.6.5 Behavior of the Digital Inputs .................................................................................................... 138
3.6.6 Gate Functions in Count Modes ............................................................................................... 139
3.6.7 Latch Function........................................................................................................................... 141
3.6.8 Synchronization......................................................................................................................... 143
3.6.9 Behavior of the Outputs in Count Modes .................................................................................. 147
3.6.10 Assignment of the Feedback and Control Interface for the Count Modes................................ 155
3.6.11 Parameter Assignment for the Count Modes............................................................................ 163
3.7 Measurement Modes ................................................................................................................ 165
3.7.1 Overview ................................................................................................................................... 165
3.7.2 Sequence of continuous-action measurement.......................................................................... 166
3.7.3 Frequency measurement with integration time ......................................................................... 170
3.7.4 Continuous Frequency Measurement....................................................................................... 172
3.7.5 Rotational speed measurement with integration time............................................................... 175
3.7.6 Continuous Rotational Speed Measurement ............................................................................ 177
3.7.7 Period measurement with integration time................................................................................ 180
3.7.8 Continuous Period Measurement ............................................................................................. 182
3.7.9 Gate Functions in Measurement Modes ................................................................................... 185
3.7.10 Behavior of the Outputs in Measurement Modes ..................................................................... 186
3.7.11 Assignment of the Feedback and Control Interfaces for the Measurement Modes.................. 188
3.7.12 Parameter Assignment for Measurement Modes ..................................................................... 195
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Technological Functions
Operating Instructions, 06/2010, A5E00124867-07