108 Function Description
WAGO-I/O-SYSTEM 750
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
7.4.5
Removing the Memory Card During Operation
The fieldbus nodes and the SPS program are in operation and the memory card is
plugged in.
Remove the memory card during ongoing operation.
Data can be lost during writing!
Note that if you pull the memory card out during a write procedure, data will be
lost.
The SD-LED blinks yellow/orange during the access.
The fieldbus controller then works without memory card.
Table 40: Possible errors when removing the memory card during ongoing operation
Possible error
Procedure
Error message
Solution
Read procedure is
running
Read access is
cancelled.
The fieldbus controller
then works without
memory card.
Blink code of the I/O
LED
for 30 seconds (error
code 14, error
argument 2) if the
backup or restore
function is active.
For access through
SPS, the error is
reported via the
CoDeSys library.
If memory card usage
is desired, insert the
memory card, then
restart the access
function.
Write procedure is
running
Write access is
cancelled.
The fieldbus controller
then works without
memory card.
Blink code of the I/O
LED
for 30 seconds (error
code 14, error
argument 2) if the
backup or restore
function is active.
For access through
SPS, the error is
reported via the
CoDeSys library.
If memory card usage
is desired, insert the
memory card, then
restart the access
function.