User Manual
  Table of contents 
Easy Book 
Manual, 03/2014, A5E02486774-AF 
9 
6.3.4  Math made easy with the Calculate instruction ......................................................................... 103 
6.3.5  Timers ........................................................................................................................................ 104 
6.3.6  Counters ..................................................................................................................................... 109 
6.3.7  Pulse-width modulation (PWM) .................................................................................................. 111 
6.4  Easy to create data logs ............................................................................................................ 112 
6.5  Easy to monitor and test your user program .............................................................................. 114 
6.5.1  Watch tables and force tables .................................................................................................... 114 
6.5.2  Cross reference to show usage ................................................................................................. 115 
6.5.3  Call structure to examine the calling hierarchy .......................................................................... 116 
6.5.4  Diagnostic instructions to monitor the hardware ........................................................................ 117 
6.5.4.1  Reading the states of the LEDs on the CPU ............................................................................. 117 
6.5.4.2  Instructions for reading the diagnostic status of the devices ..................................................... 117 
6.6  High-speed counter (HSC) ......................................................................................................... 118 
6.6.1  Operation of the high-speed counter ......................................................................................... 119 
6.6.2  Configuration of the HSC ........................................................................................................... 125 
7  Easy to communicate between devices ............................................................................................... 127 
7.1  Creating a network connection .................................................................................................. 128 
7.2  Communication options ............................................................................................................. 129 
7.3  Number of asynchronous communication connections ............................................................. 131 
7.4  PROFINET and PROFIBUS instructions ................................................................................... 132 
7.5  PROFINET ................................................................................................................................. 133 
7.5.1  Open user communication ......................................................................................................... 133 
7.5.1.1  Ad hoc mode .............................................................................................................................. 134 
7.5.1.2  Connection IDs for the Open user communication instructions ................................................. 134 
7.5.1.3  Parameters for the PROFINET connection ............................................................................... 137 
7.5.2  Configuring the Local/Partner connection path .......................................................................... 140 
7.6  PROFIBUS ................................................................................................................................. 142 
7.6.1  Communications services of the PROFIBUS CMs .................................................................... 144 
7.6.2  Reference to the PROFIBUS CM user manuals ........................................................................ 145 
7.6.3  Adding the CM 1243-5 (DP master) module and a DP slave .................................................... 145 
7.6.4  Assigning PROFIBUS addresses to the CM 1243-5 module and DP slave .............................. 146 
7.7  AS-i ............................................................................................................................................ 148 
7.7.1  Adding the AS-i master CM 1243-2 and AS-i slave ................................................................... 149 
7.7.2  Assigning an AS-i address to an AS-i slave .............................................................................. 150 
7.8  S7 communication ..................................................................................................................... 153 
7.8.1  GET and PUT instructions ......................................................................................................... 153 
7.8.2  Creating an S7 connection ......................................................................................................... 154 
7.8.3  GET/PUT connection parameter assignment ............................................................................ 155 
7.9  GPRS ......................................................................................................................................... 156 
7.9.1  Connection to a GSM network ................................................................................................... 156 
7.10  PtP, USS, and Modbus communication protocols ..................................................................... 163 
7.10.1  Point-to-point communication .................................................................................................... 163 
7.10.2  Using the serial communication interfaces ................................................................................ 163 
7.10.3  PtP instructions .......................................................................................................................... 164 
7.10.4  USS instructions......................................................................................................................... 165 










