Allocated variables, Task configuration, Retain data – BECKHOFF BC3150 User Manual
Page 103
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Safety Instructions
Fieldbus Components
101
Allocated variables
The BX offers a limited number of allocated data
Inputs 2kB, %IB0..2048
Outputs 2 kB, %QB0..2048
Flags 4 kB, %MB0..4095
Task configuration
A maximum of one task is available. A sensible task time should be selected. Adjust the task time to your application
by measuring the required system time (PLC + K-Bus + fieldbus + other).
Retain data
The Bus Terminal Controllers of BCxx50 and BXxx00 series offer up to 2 kB of retain data. Ensure that no (or only
very few) retain data are used in function blocks (see RETAIN data).
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