Questions about how to use the auxiliary relay CJ2M-CPU13
Time: 6/29/2017 6:31:15 PM
Like SIEMthese CJ2M-CPU13 PLC CJ2M-CPU13 represent internal relays in M. In addition to the work area CP1H, the W seems to be able to use unused areas as an internal relay. For example, CIO 117-CIO 999., is that the use of W region or the use of unused areas, what are the differences and considerations?