BECKHOFF AX5805 Installation - Manual (Page 92)

Product description
90 AX5805
3.7.4 Step 4: Link the SDIn safety function in the Safe PLC
This example activates the SDIn safety function by using a light curtain, which is connected to the second
TwinSAFE EL1904 input terminal. The safety function SDIn is activated if the light curtain is interrupted. The
axis may only move in the positive direction of rotation. If it nonetheless moves in the negative direction and
the window limit is exceeded, the AX5805 activates the STO action and removes torque from the motor.
Figure 44: AX5805 SDI_n link
Figure 45: Light curtain for SDIn of the AX5805