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Troubleshooting
7
Troubleshooting
Problem
Error message in TwinCAT:
"PREOP to SAFEOP failed".
Error message in TwinCAT:
"Invalid SM In/Out Cfg".
38
Cause
Variables of different sizes in the
process data objects "IO Inputs"
and "IO Outputs".
The variables in the process data
objects "IO Inputs" and
"IO Outputs" exceed 1280 bytes.
Version: 1.0
Solution
Ensure that the size of the
variables in "IO Inputs" and
"IO Outputs" is the same.
Ensure that the sum of the
variables in each of the process
data objects does not exceed
1280 bytes.
EP6080-0000
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