R911281703 is part of the DKR Drive Controllers Series by Indramat Drives.
Isolating Transformer Usage: Yes Serial Interface Connection: Yes Analog Diagnostic Outputs: 2 Output Voltage Range: +/-10V Current Load: 4mA Starting Lockout Function Activation: 20VDC to 30VDC Bleeder Resistor Included: Yes Bleeder Brake Energy: 720kW Cabinet Back wall: Must Feature Threaded Holes Plug-in Connectors Condition: Must be dry and non-conductive Drive-related Problems Indication: H1 Display and SERCOS interface Rating Plates Location: Bottom Left and Front Side Software Module: Firmware in EPROM format