User guide

Hardware
890 USE 108 00 August 2001 47
PCMCIA LED
Error Conditions
If any the error conditions listed in the following table occurs, the loading of an
application to the PLCs memory is terminated, and the PC LED (PCMCIA) blinks
indicating the specific error detected.
These are the PC LED (PCMCIA)-Error Conditions (E984-275/285):
PCMCIA Card
Insertion
The PCMCIA cards are keyed. Ensure that the top of the PCMCIA card is aligned
with the top of the PLC PCMCIA slot.
The following figure shows the correct PCMCIA alignment.
Note: Remember that only the E984-275/285 have a PC LED (PCMCIA).
# of Flashes PC LED (PCMCIA) Description of Error Condition
1 Flash No PCMCIA driver for the inserted card
2 Flashes Invalid checksum
3 Flashes Security signature in the PLC does NOT match the
PCMCIA card-
4 Flashes Model mismatch
5 Flashes PCMCIA driver error
TOP of PCMCIA card is keyed.
Align top of PCMCIA card with the top
of the PLC.