Implementation Of Safe Motion Functions; Safe Inputs And Outputs; Safety Function Sto; Safety Function Ss1 - Beckhoff AX8-1 Series Documentation

Implementation of Safe Motion functions

7 Implementation of Safe Motion functions
7.1

Safe inputs and outputs

At present only the four switch-off channels for STO are usable within the logic. The two outputs for brake
control are not currently used.
7.2

Safety function STO

Refer here to Use of the STO function [} 31].
7.3

Safety function SS1

This function is supported by the AX8911 TwinSAFE drive option. In order to use it a user-specific safety
program must be loaded into the AX8911, or the delay of the STO signal must be implemented in the higher-
level safety controller.
7.4

Safety function SS2

This function is not currently supported by the AX8911 TwinSAFE drive option.
7.5

Safety function SOS

This function is not currently supported by the AX8911 TwinSAFE drive option.
7.6

Safety functions SLS, SSM, SSR

These functions are not currently supported by the AX8911 TwinSAFE drive option.
7.7

Safety function SAR

This function is not currently supported by the AX8911 TwinSAFE drive option.
7.8

Safety functions SDIp, SDIn

These functions are not currently supported by the AX8911 TwinSAFE drive option.
7.9

Safety function SLI

This function is not currently supported by the AX8911 TwinSAFE drive option.
7.10

Safety functions SLP, SCA

These functions are not currently supported by the AX8911 TwinSAFE drive option.
36 Version: 1.0.0 AX8911 - TwinSAFE Drive Option