Problems When Using Modules Of Third-Party Manufacturers - Siemens SIMATIC PC 847B Operating Instructions Manual

Troubleshooting/FAQs

13.2 Problems when Using Modules of Third-party Manufacturers

13.2 Problems when Using Modules of Third-party Manufacturers
Problem Possible cause
Redundant I/O addresses
The PC crashes •
during startup
Redundant hardware interrupts
•
and/or DMA channels
Fluctuation of signal frequencies
•
or levels
Connector pin assignments
•
deviate
No "Reset Configuration" in
•
BIOS SETUP
Insufficient output of an external
•
power supply (UPS, for
example)
A voltage > 0.5 V is fed into the
PC does not •
PC due to connected or installed
restart or turns off
third-party components
immediately
112
To correct or avoid error
Check your computer configuration:
Contact Technical Support if the computer configuration
•
corresponds with the delivery state.
If the computer configuration has changed, restore the
•
original factory settings. Remove all third-party modules,
then restart the computer. If the error no longer occurs, the
third-party module was the cause of the fault. Replace the
thrid-party module with a Siemens module or contact the
module supplier.
Force a "Reset Configuration" using the BIOS Setup.
•
Contact Technical Support if the PC still crashes.
Use a higher capacity power supply
•
Check with the supplier of the component
whether this can be operated without an external power
•
supply,
whether the settings for the component can be changed so
•
that only the PC power supply is used or only the external
power supply.
Operating Instructions, 06/2008, A5E02203168-01
SIMATIC Rack PC 847B