6
Options
For individually expandable system availability
The availability of a plant is decisive for its productivity. The
rugged design and high industrial capability mean that the
SIMATIC industrial PCs have a high fault tolerance. A matched
range of hardware and software options is available for appli-
cations with special system availability demands. PC solutions
can then be optimized simply and reliably, and matched to the
individual availability requirements.
Uninterruptible power supply (UPS)
The power supply for high industrial requirements fitted to
SIMATIC PCs covers voltage dips up to 20 ms (Namur require-
ment). The uninterruptible SITOP and Masterguard power sup-
plies in 24 V DC or 115/230 V AC, or customized UPSs, are
available for nonstop applications in the event of power fail-
ures.
RAID1 configuration (mirror disks)
A further improvement can be achieved using a RAID1 confi-
guration. In this case, all data is saved in parallel on two hard
disks by automatic mirroring.
If one of the two drives fails, all user data is still nevertheless
retained. The redundant architecture provides the following
benefits:
■ Reliable avoidance of data losses in case of failures, since
it is highly improbable that the two disks will fail simulta-
neously.
■ If one hard disk fails, the system remains operational.
■ Automatic data security without the user having to inter-
vene.
SIMATIC PC DiagMonitor
The PC diagnostics/alarming software SIMATIC PC DiagMonitor
detects possible hardware and software faults at an early
stage. Diagnostics alarms are automatically forwarded to the
user via LAN, e-mail or text message, or forwarded by the OPC
to directly supply the alarm to the software application (e.g.
WinCC flexible, WinCC, WinAC or other OPC-compatible soft-
ware). The integrated time synchronization function permits
operation of the industrial PCs without CMOS battery.
This further reduces the maintenance costs.
The SIMATIC PC DiagMonitor monitors, reports and visualizes
the operating states of SIMATIC PCs both locally and remote.
DiagMonitor alarms the user, executes programs automati-
cally and records all results. Faults are thus detected at an
early stage and potential system failures efficiently avoided.
Functions of the SIMATIC PC DiagMonitor
Monitoring Reporting Visualizing Alarming
Responding and
recording
PC hardware functions
Internal device temperature
Fan
Disk status
System states
Operating hours counter
meter
Violation of permissible
operating temperature
Fan failure/fault
Hard disk problems
Program interruption in
case of watchdog timeout
Maintenance intervals
(user-selectable)
Diagnostic LEDs on
each device
Locally on the monitor
of the device
Via LAN on the central
server
Graphic measured data
display
LAN
Text message on mobile
phone
E-Mail to relevant
person
OPC and/or SNMP to
user software
Activates reset (watchdog)
Executes programs
automatically
(batch/executable files)
Records events (log file)
KB_Panel_PC_En.fm Seite 6 Dienstag, 17. Oktober 2006 1:59 13
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