Diagnostics of the S7-1500R/H redundant system
Diagnostics
98
Function Manual, 11/2019, A5E03735838-AF
Diagnostics view in STEP 7 in dependence on the online connection and system states
The diagnostics view for S7-1500R/H redundant systems is partly dependent on:
●
Which of the two CPUs the programming device / PC currently has a connection to
●
The current system state in the redundant system
The table below provides an overview. The following sections illustrate the diagnostics view
for S7-1500R/H using examples.
Table 7- 1
Diagnostics view in dependence on the online connection and system states
Diagnostics view in STEP 7
An online connection is
available to the
System state
Examples in section
Online data and diagnostics of the redundant system Primary CPU or backup
CPU
RUN-Redundant Online and Diagnos-
Online data and diagnostics of the primary CPU
The following are not displayed:
•
Online data and diagnostics from the backup CPU
Primary CPU
RUN-Solo or
STOP
tics view (Page 100)
and
Restrictions in the
Online data and diagnostics of the backup CPU
The following are not displayed:
•
Online data and diagnostics from the primary CPU
•
Online data and diagnostics of the distributed I/O
Backup CPU
RUN-Solo or
STOP
Display of the 3 operator panels in the "Online Tools"
task card
Primary CPU or backup
CPU
Not relevant
Cycle time of the primary CPU (of the system) and
memory of the primary CPU in "Online Tools" task
card
Primary CPU or backup
CPU
RUN-Redundant
Cycle time and memory of the primary CPU in the
"Online Tools" task card
Primary CPU
RUN-Solo or
STOP
Cycle time and memory of the backup CPU in the
"Online Tools" task card
Backup CPU
RUN-Solo or
STOP
Memory reset of the primary CPU via "Online Tools"
task card
Primary CPU
STOP
Memory reset of the backup CPU via "Online Tools"
task card
Backup CPU
RUN-Solo or
STOP
"Alarm display" tab: Alarms from the primary CPU
Primary CPU
Not relevant
(Page 106)
"Alarm display" tab: Alarms from the backup CPU
Backup CPU
Not relevant
Diagnostics of the distributed I/O
Primary CPU or backup
CPU
RUN-Redundant Diagnostics in the
(Page 111)
Diagnostics of the distributed I/O
Primary CPU
RUN-Solo
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