R911272171 is part of the MTS Servo Control Modules Series by Indramat Controls.
Specs
Format: ISA Bus Plug-In Module Intended Installation: Standard Industry PC or BTV20/30 Unit Address Setting: DIP Switch, Pre-insertion Product Group: MTS Battery: Rechargeable, 7-10 Years Lifespan ISA Bus Slot: Required for Installation Self Test Indicator: STA and ERR LEDs, 2-3 Seconds Post Initialization Display Type: 7-Segment Display Diagnostics: 1 Digit and 3 Digit Error Codes Data Exchange: 8kB Dual Port Memory Enclosure: Compatible with Industrial PCs Delivery: Global, Military-Grade Foam Packaging