FR-A820-22K-1 MITSUBISHI FR-A820-22K-1
FR-A820-22K-1. Can be extended to FX3GA/FX3G, FX3GE, FX3GC, as well as FX3U, FX3UC series, When connecting to FX3UC or FX3GC, you need FX2NC-CNV-IF or FX3UC-1PS-5V. The number of connection points