R911371253 is part of the CSH Advanced Control System Series by Indramat Controls.
Encoder Interface: Multi-Encoder Safety Option: S4 Safe Motion Communication Interface: RS232 serial Maximum Pulse Width: 100 ms Inrush Current: 4 A Control Features: Velocity, current, position control Digital Outputs: 5 Analog Outputs: 2 Internet Connection: Multi-Ethernet Control Panel Power: 1 watt
CSH025BETECECS4NNNNNW CSH02 5B ET EC EC S4 NN NN NW csh02.5b-et-ec-ec-s4-nn-nn-nw CSH2.5B-ET-EC-EC-S4-NN-NN-NW