R911307535 is part of the MTS Servo Control Modules Series by Indramat Controls.
Specs
Connector Type: Beiden Terminal X15 Bus Function: Supports up to four operator terminals Cable Length: 50m maximum User Interface: RS 232 serial COM Power Consumption: 1.8A @ 5V Humidity: 75% without condensation Air Pressure: 860hPa to 1080hPa @ 1,500m elevation Data Exchange: Through NC bus Storage Temperature: -20°C and 70°C Size: 22 x 145 x 295mm (W x H x D) Inputs and Outputs: 16 TTL level Relay Contact: Opens in case of erro