Ras Information Backup ･････････････････････････52; Limited Life Component Replacement Cycle ････････52 - Toshiba V Series Operation Manual

Chapter 12 Maintenance
No Abnormal Condition
27 Message
transmission
28
29
30
Note1: Refer to "General Operation Manual" for information on how to check the
Note2: If message transmission completes abnormally, check the completion status.
12.4 RAS Information Backup
FL312 has a function to save RAS information when there is a power failure. After replacing
the module, the data can be checked by reloading it to another unit because the data is
retained for the time shown below. Refer to chapter 9 for the RAS information that is
backed up.
<Backup Time>
•
•
12.5 Limited Life Component Replacement Cycle
The following table shows the recommended replacement cycle for limited life component
used in FL312.
Aluminum electrolytic capacitor
12
For network components (non Toshiba component such as repeater and HUB) used in
FL-net system, check with the manufacturer selected during system configuration.
52
Data does not reach Function block parameter set
destination(Note 2) incorrectly
Message transmission prohibited
Frequent line activity due to
transmission path error
Transmission Frequent line activity due to
processing time is slow transmission path error
transmission path.
Within entire allowed temperature range
25°C
Table 12-4 Recommended replacement cycle of FL312 limited life components
Limited life component
model 3000 FA Control Network [FL-net(OPCN-2)] FL311/FL312 Module Operation Manual
Suspected cause
: 1 hour
: 1 day (24 hours)
Recommended replacement cycle
7 years
Action
Review parameter
Check node status and re-specify
Check transmission path and
replace module
Check transmission path and
replace module
Remarks
For saving data during power
failure