Lot of 2 B&R X20 AO 4622 Analog Output Modules with X20 BM 11 Base Modules - Rev. L0, Excellent Condition. Revision: L0 (X20 AO 4622), H0 (X20 BM 11). Part Number (P/N): X20 AO 4622. High-precision analog output modules designed for advanced automation systems.