Table of contents
3.7.3.3
Enabling circuit .................................................................................................................. 52
3.7.3.4
3.7.3.5
Feedback circuit................................................................................................................. 53
3.7.3.6
Stop categories .................................................................................................................. 53
3.7.3.7
Start function and types..................................................................................................... 53
3.7.3.8
3.7.3.9
Discrepancy monitoring ..................................................................................................... 57
3.7.3.10
Sequence monitoring......................................................................................................... 57
3.7.3.11
Startup testing................................................................................................................... 57
3.7.4
4
4.1
Introduction....................................................................................................................... 61
4.2
4.3
4.4
4.5
4.6
4.7
4.8
5
Description of the hardware................................................................................................................ 75
5.1
5.1.1
5.1.2
5.1.3
3RK3 Basic central unit....................................................................................................... 76
5.1.3.1
5.1.4
5.1.4.1
5.1.5
5.1.5.1
5.1.6
5.1.6.1
5.1.7
5.1.8
5.1.9
Expansion module 4/8F-DI ................................................................................................. 97
5.1.10
5.1.11
5.1.12
Expansion module 4F-DO................................................................................................. 106
5.1.13
Expansion module 4/8F-RO .............................................................................................. 108
5.1.14
Expansion module 8DI ..................................................................................................... 110
5.1.15
Expansion module 8DO.................................................................................................... 112
5.1.16
5.1.17
5.1.18
3SK26 diagnostics display ................................................................................................ 120
5.2
5.2.1
General information......................................................................................................... 123
5.2.2
4
SIRIUS 3RK3 Modular Safety System
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006