5.2.3 Mounting the central unit, expansion module, or DP interface module on a level surface... 125
5.2.4 Mounting the PROFINET interface on a standard mounting rail ......................................... 126
5.2.5 Mounting the PROFINET interface on a level surface ......................................................... 127
5.2.6 Installing the diagnostics display in a control cabinet door / switchboard........................... 128
5.2.7 Removing the central unit, expansion module, or DP interface module from a level surface... 129
5.2.8 Removing the central unit, expansion module, or DP interface module from a DIN rail ...... 130
5.2.9 Removing the diagnostics display..................................................................................... 131
5.2.10 Disassembling the PROFINET interface from a level surface............................................... 132
5.2.11 Disassembling devices from a standard mounting rail....................................................... 132
5.3 Connecting / wiring.......................................................................................................... 134
5.3.1 General information about connection............................................................................. 134
5.3.2 Wiring rules for inputs and outputs................................................................................... 134
5.3.2.1 Safety information ........................................................................................................... 134
5.3.2.2 Guidelines for wiring the MSS 3RK3.................................................................................. 136
5.3.2.3 Connecting safety-related inputs ...................................................................................... 138
5.3.2.4 Connecting non-safety-related inputs............................................................................... 139
5.3.2.5 Connecting safety-related semiconductor outputs ............................................................ 140
5.3.2.6 Connecting safety-related relay outputs............................................................................ 141
5.3.2.7 Connecting non-safety-related outputs............................................................................. 143
5.3.3 Connecting the central unit, expansion module, or DP interface ....................................... 144
5.3.3.1 Connection data for terminal blocks ................................................................................. 144
5.3.3.2 Connecting terminal blocks.............................................................................................. 145
5.3.3.3 Connect the interfaces (X1, X2) ....................................................................................... 147
5.3.3.4 Connecting a diagnostics display...................................................................................... 150
5.3.3.5 Establishing a PROFIBUS DP connection............................................................................ 151
5.3.3.6 Connecting the AS-i bus................................................................................................... 153
5.3.3.7 Disconnecting.................................................................................................................. 154
5.3.3.8 Plugging in terminal blocks .............................................................................................. 156
5.3.3.9 Inserting and sealing the memory module ....................................................................... 157
5.3.3.10 Grounding ....................................................................................................................... 158
5.3.4 Connect 3SK25 PROFINET interface.................................................................................. 159
5.3.4.1 General information about connection............................................................................. 159
5.3.4.2 Terminal assignment........................................................................................................ 160
5.3.4.3 Terminal coding ............................................................................................................... 161
5.3.4.4 Connecting the screw-type terminals ............................................................................... 162
5.3.4.5 Disconnecting the screw-type terminals ........................................................................... 162
5.3.4.6 Connecting the push-in terminals..................................................................................... 163
5.3.4.7 Disconnecting the push-in terminals ................................................................................ 165
5.3.4.8 Attaching the terminals.................................................................................................... 166
5.3.4.9 Removing the terminals ................................................................................................... 167
5.3.4.10 Establishing a 3SK25 PROFINET interface connection........................................................ 168
5.3.4.11 Disassembly of the PROFINET connector........................................................................... 170
6 Operation........................................................................................................................................... 171
6.1 Response times................................................................................................................ 171
6.1.1 Notes and denitions ....................................................................................................... 171
6.1.2 Reaction time of the logic (in error-free operation) ........................................................... 172
6.1.3 Fault reaction time of the logic (single-channel actuator circuit)........................................ 173
6.1.4 Fault reaction time of the logic (two-channel actuator circuit)........................................... 173
6.1.5 Reaction times "sensor - actuator" .................................................................................... 174
6.1.6 Examples of the total response time with MSS 3RK3 Advanced ......................................... 178
6.1.7 Parameterizing in Safety ES .............................................................................................. 185
Table of contents
SIRIUS 3RK3 Modular Safety System
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006 5