Table of contents
PROFINET with STEP 7 V15
Function Manual, 12/2017, A5E03444486-AH
9
4 Diagnostics and maintenance ............................................................................................................... 77
4.1 Diagnostics mechanisms of PROFINET IO ............................................................................ 77
4.1.1 Diagnostics levels in PROFINET IO ....................................................................................... 79
4.1.2 Maintenance ........................................................................................................................... 81
4.1.2.1 I&M data (identification and maintenance) ............................................................................. 81
4.1.2.2 Loading I&M data to PROFINET IO devices and your modules ............................................ 81
4.1.2.3 Asset management ................................................................................................................. 82
4.2 Diagnostics using status LEDs ............................................................................................... 96
4.3 Diagnostics via the display of the S7-1500 CPUs .................................................................. 97
4.4 Diagnostics via Web server .................................................................................................. 100
4.5 Diagnostics in STEP 7 .......................................................................................................... 103
4.6 Extended maintenance concept ........................................................................................... 106
4.7 Diagnostics of the network topology ..................................................................................... 108
4.8 Diagnostics in the user program ........................................................................................... 109
4.8.1 Diagnostics and configuration data records ......................................................................... 109
4.8.2 Evaluate diagnostics in the user program ............................................................................ 111
5 Functions ............................................................................................................................................ 113
5.1 Connecting other bus systems ............................................................................................. 113
5.1.1 Connecting other bus systems ............................................................................................. 113
5.1.2 Linking PROFINET and PROFIBUS ..................................................................................... 115
5.1.3 Connect the DP slave via the IE/PB Link to a PROFINET IO system .................................. 116
5.2 Intelligent IO devices (I-devices) ........................................................................................... 118
5.2.1 I-device functionality ............................................................................................................. 118
5.2.2 Properties and Advantages of the I-Device .......................................................................... 119
5.2.3 Characteristics of an I-Device ............................................................................................... 120
5.2.4 Data Exchange between higher- and lower-level IO system ................................................ 123
5.2.5 Configuring the I-device ........................................................................................................ 125
5.2.6 Program examples ................................................................................................................ 127
5.2.7 Diagnostics and interrupt characteristics .............................................................................. 130
5.2.8 Rules for the Topology of a PROFINET IO System with I-Device ........................................ 133
5.2.9 Boundary conditions when using I-devices .......................................................................... 135
5.2.10 Configuring PROFIenergy with I-devices.............................................................................. 136
5.3 Shared device ....................................................................................................................... 138
5.3.1 Useful information on shared devices ................................................................................... 138
5.3.2 Configuring shared device .................................................................................................... 141
5.3.3 Configuring an I-device as a shared device.......................................................................... 145
5.3.4 Module-internal shared input/shared output (MSI/MSO) ...................................................... 154
5.4 Media redundancy (ring topologies) ..................................................................................... 161
5.4.1 Media Redundancy Protocol (MRP) ..................................................................................... 162
5.4.2 Configuring media redundancy ............................................................................................. 164
5.4.3 Media Redundancy with Planned Duplication of frames (MRPD) ........................................
167
5.
4.4 Multiple rings ......................................................................................................................... 169