TwinSAFE drive option card

TwinSAFE drive option card

Significant hazards to persons arise from the dynamic movements of electrical drive equipment of machines. With the AX58xx TwinSAFE drive option cards numerous safety functions can be easily implemented by the user. Safe stop functions, safe motion functions and safe brake functions can be realised.


AX5801 | Personal protection against inadvertent restart of the drive axis (STO/SS1):


AX5805, AX5806 | Further drive-integrated safety functions according to IEC 61800-5-2. Control is performed via EtherCAT; no further wiring is required:


The AX5805/AX5806 option cards are capable of switching the motor torque-free or monitoring speed, position and direction of rotation (in accordance with DIN EN ISO 13849-1:2008 (Cat 4, PL e)). No further circuits are necessary for this, such as circuit breakers or contactors in supply lines, or special external encoder systems.

This enables a very lean installation and helps to lower costs and control cabinet space. No special encoder system is required in order to implement the SDI (Safe Direction) or SLS (Safety Limited Speed) functions; all Beckhoff standard motors can be used without modifications and without additional encoder systems for these functions. Even safe position monitoring or position range monitoring is simple to implement by means of the AX5805/AX5806 module. No additional wiring is required, since EtherCAT communication is used in the AX5000 Servo Drives. The safety option card communicates directly through the AX5000 with the TwinSAFE logic terminal present in the network.

Like the programming or configuration of the safety application, the entire parameterisation of the AX5805/AX5806 option cards takes place in TwinCAT. All system-specific settings are stored together with the application in the TwinSAFE logic terminal. For this reason, the AX5805/AX5806 TwinSAFE drive option card can be exchanged at any time without software. The card receives all necessary parameters at the next power-on or boot-up.

AX5801-0200 TwinSAFE drive option card: STO, SS1, for AX5000 Servo Drives: AX5x03 to AX5140
AX5805-0000 TwinSAFE drive option card: STO, SS1, SS2, SOS, SLS, SDI, for AX5000 Servo Drives: AX5x03 to AX5140
AX5806-0000 TwinSAFE drive option card: STO, SS1, SS2, SOS, SLS, SDI, for AX5000 Servo Drives: AX5160 to AX5193