Product specifications

Section 5 Maintenance FOUNDATION Fieldbus High Speed Ethernet - CI860
3BSE036351-510 A 221
FOUNDATION Fieldbus High Speed Ethernet - CI860
Table 39. FOUNDATION Fieldbus High Speed Ethernet CI860 – Fault-Finding
Fault Possible Cause and Corrective Action
Neither R(un) nor F(ault) LEDs
are ON
The CI860 board is in the process of being
restarted or configured. Allow time for this to
finalize.
If the condition persists, and no other unit LED on
the CEX-Bus is lit:
• Check that a valid HW configuration including
the CI860 is downloaded to the controller.
• Check the Log File
• Check the CEX-Bus fuse inside the CPU unit.
• Initiate a reset signal (INIT) from the CPU
unit.
• Replace the CI860 unit.
F(ault) LED is ON Check all cables and connectors for damage and
loose or poor connections.
Repair as necessary.
R(un) LED is flashing Check that the relevant units are sending data.
Check if the CI860 board is in the process of
being restarted or configured. If so, allow time for
this to finalize.
If the condition persists:
• Stop the application program and initiate a
restart.
• Check the Log File
• Replace the CI860 board.
100Mbit/s is ON If RxTx LED is flashing:
A valid connection with100 MBit/s is established.