R911400975 is part of the CDB Drive Controllers Series by Indramat Drives.
Specs
Product: Brushless Servo Motors Control Section Standard Design: Yes Communication Support: SERCOS III, EtherCAT, PROFINET Encoder Interfaces Support: Multi PWM Frequency Switching Range: 2 Khz to 16 kHz Cooling Method: Natural or forced Convection Mounting Direction: Vertical User Configuration: Yes Connection Ports Available: Analog and Digital Input/Output Encoder Data Read: HSF and RSF Encoders