Diagnostics with the CP 440
8.3 Diagnostics Messages of the Function Blocks
Point-to-point connection CP 440 Installation and Parameter Assignment
Manual, 09/2007, A5E00057742-03
123
Event class 11 (0B8H): "Warnings"
Event no. Event To correct or avoid errors
(0B)01H Receive buffer more than 2/3 full Call the receive block more often to avoid the
receive buffer overflowing.
Event class 128 (80H): "Module error"
Event no. Event To correct or avoid errors
(80)00H Module firmware not found Perform a firmware update
Display and evaluate STATUS output
You can display and interpret the actual operands in the STATUS output of the function
blocks.
Note
An error message is only output if the ERROR bit (request completed with error) is set. In all
other cases the STATUS word is zero.
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