Project Design Limits For Ax8911 (Ax8Xxx-X1Xx) - Beckhoff AX8-1 Series Documentation

Product description
4.5

Project design limits for AX8911 (AX8xxx-x1xx)

Project design limits
The maximum project design size of the AX8911 (AX8xxx-x1xx) is limited by the available
memory. This is managed dynamically. The values specified in the following table are
Note
therefore only guide values and may differ from the actual values, depending on the safety
project.
TwinSAFE connections
Safe data per TwinSAFE
connection
TwinSAFE blocks
TwinSAFE groups
TwinSAFE user
Standard PLC inputs
Standard PLC outputs
16
max. 8
(up to 12 CRCs in total; 1 CRC is required for a TwinSAFE connection
with 1 or 2 byte safe data.)
maximum 24 byte (telegram length 51 byte)
maximum 512 (ESTOP with complete input and output mapping)
max. 128
40 max.
dynamic (memory-dependent), max. 54 byte
dynamic (memory-dependent), max. 62 byte
Version: 1.0.0 AX8911 - TwinSAFE Drive Option