Table of contents
7.3
7.4
Know-how protection ............................................................................................................. 64
7.5
Copy protection ...................................................................................................................... 68
8
Commissioning ........................................................................................................................................ 70
8.1
Overview ................................................................................................................................ 70
8.2
8.2.1
Introduction PROFINET IO .................................................................................................... 71
8.2.2
CPU as IO controller .............................................................................................................. 72
8.2.3
CPU as I-device ..................................................................................................................... 74
8.3
8.4
8.4.1
Operating modes of the CPU ................................................................................................. 78
8.4.2
STARTUP mode .................................................................................................................... 78
8.4.3
STOP mode ........................................................................................................................... 81
8.4.4
RUN mode ............................................................................................................................. 81
8.4.5
Operating mode transitions .................................................................................................... 82
8.5
CPU memory reset ................................................................................................................ 84
8.5.1
Introduction ............................................................................................................................ 84
8.5.2
Automatic memory reset ........................................................................................................ 85
8.5.3
Manual memory reset ............................................................................................................ 85
8.6
8.7
8.7.1
8.7.2
8.7.3
8.8
9
Maintenance ............................................................................................................................................ 97
9.1
Firmware update .................................................................................................................... 97
9.2
10
Test and service functions ..................................................................................................................... 105
10.1
Test functions ....................................................................................................................... 105
10.2
11
11.1
12
Technical specifications ......................................................................................................................... 119
A
Dimension diagram ................................................................................................................................ 134
B
Accessories/spare parts ........................................................................................................................ 136
C
Safety-relevant symbols......................................................................................................................... 139
C.1
C.2
8
CPU 1516pro-2 PN (6ES7516-2PN00-0AB0)
Operating Instructions, 11/2019, A5E35873416-AC