Programming
BC3150 55Version: 2.1.0
• Controller memory limit is almost reached (PLC program greater than 90%)
5.3 TwinCAT PLC - Error codes
Error type Description
PLC compiler error Maximum number of POUs (...) exceeded
PLC compiler error Out of global data memory ...
Error POUs
For each function block one POU (process object unit) is created. 256 function blocks are available by
default.
Fig.50: Maximum number of POUs exceeded
If libraries are integrated this value may be insufficient. In this case, the number of POUs should be
increased.
To this end, open in PLC Control under Projects/Options...
Fig.51: Menu path Projects / Options / Controller Settings
...the controller settings.
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