R911307551 is part of the MTS Servo Control Modules Series by Indramat Controls.
Specs
Product Type: Industrial PC Functionality: Can be used in industrial PCs, such as BTV20/30 Protection Rating: IP20 Bus: BT (Bedien Terminal) bus Interface: PROFIBUS-DP interface, Four serial interfaces Display: H1 1-digit display DC-link Connection: 24 VDC through a 1.5 mm2 cable