Table of contents
6.2
Fail-safe operation ................................................................................................................. 58
6.3
6.3.1
6.3.2
6.4
6.5
6.6
6.6.1
6.6.2
6.7
6.7.1
Connecting redundant I/O ...................................................................................................... 80
6.7.2
6.7.3
6.8
Media redundancy ................................................................................................................. 97
7
7.1
CPU 410 operating modes ................................................................................................... 101
7.1.1
RUN mode ........................................................................................................................... 101
7.1.2
STOP mode ......................................................................................................................... 102
7.1.3
STARTUP mode .................................................................................................................. 103
7.1.4
HOLD mode ......................................................................................................................... 104
7.1.5
LINK-UP and UPDATE modes ............................................................................................ 105
7.1.6
ERROR-SEARCH mode ...................................................................................................... 105
7.1.7
DEFECTIVE state ................................................................................................................ 106
7.2
7.2.1
Introduction .......................................................................................................................... 107
7.2.2
7.2.3
7.2.4
7.2.5
7.2.6
7.2.7
7.3
Self-test ................................................................................................................................ 114
7.4
Performing a memory reset ................................................................................................. 117
8
Link-up and update .............................................................................................................................. 119
8.1
8.2
8.3
Time monitoring ................................................................................................................... 120
8.3.1
Time response ..................................................................................................................... 123
8.3.2
8.3.3
8.3.4
8.4
4
CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC